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Publisher: Elsevier   (Total: 3043 journals)

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Showing 1 - 200 of 3043 Journals sorted alphabetically
AASRI Procedia     Open Access   (Followers: 15)
Academic Pediatrics     Hybrid Journal   (Followers: 22, SJR: 1.402, h-index: 51)
Academic Radiology     Hybrid Journal   (Followers: 21, SJR: 1.008, h-index: 75)
Accident Analysis & Prevention     Partially Free   (Followers: 84, SJR: 1.109, h-index: 94)
Accounting Forum     Hybrid Journal   (Followers: 25, SJR: 0.612, h-index: 27)
Accounting, Organizations and Society     Hybrid Journal   (Followers: 30, SJR: 2.515, h-index: 90)
Achievements in the Life Sciences     Open Access   (Followers: 4)
Acta Anaesthesiologica Taiwanica     Open Access   (Followers: 5, SJR: 0.338, h-index: 19)
Acta Astronautica     Hybrid Journal   (Followers: 354, SJR: 0.726, h-index: 43)
Acta Automatica Sinica     Full-text available via subscription   (Followers: 3)
Acta Biomaterialia     Hybrid Journal   (Followers: 25, SJR: 2.02, h-index: 104)
Acta Colombiana de Cuidado Intensivo     Full-text available via subscription   (Followers: 1)
Acta de Investigación Psicológica     Open Access   (Followers: 2)
Acta Ecologica Sinica     Open Access   (Followers: 8, SJR: 0.172, h-index: 29)
Acta Haematologica Polonica     Free   (SJR: 0.123, h-index: 8)
Acta Histochemica     Hybrid Journal   (Followers: 3, SJR: 0.604, h-index: 38)
Acta Materialia     Hybrid Journal   (Followers: 233, SJR: 3.683, h-index: 202)
Acta Mathematica Scientia     Full-text available via subscription   (Followers: 5, SJR: 0.615, h-index: 21)
Acta Mechanica Solida Sinica     Full-text available via subscription   (Followers: 9, SJR: 0.442, h-index: 21)
Acta Oecologica     Hybrid Journal   (Followers: 10, SJR: 0.915, h-index: 53)
Acta Otorrinolaringologica (English Edition)     Full-text available via subscription   (Followers: 1)
Acta Otorrinolaringológica Española     Full-text available via subscription   (Followers: 3, SJR: 0.311, h-index: 16)
Acta Pharmaceutica Sinica B     Open Access   (Followers: 2)
Acta Poética     Open Access   (Followers: 4)
Acta Psychologica     Hybrid Journal   (Followers: 23, SJR: 1.365, h-index: 73)
Acta Sociológica     Open Access  
Acta Tropica     Hybrid Journal   (Followers: 6, SJR: 1.059, h-index: 77)
Acta Urológica Portuguesa     Open Access  
Actas Dermo-Sifiliograficas     Full-text available via subscription   (Followers: 4)
Actas Dermo-Sifiliográficas (English Edition)     Full-text available via subscription   (Followers: 3)
Actas Urológicas Españolas     Full-text available via subscription   (Followers: 4, SJR: 0.383, h-index: 19)
Actas Urológicas Españolas (English Edition)     Full-text available via subscription   (Followers: 2)
Actualites Pharmaceutiques     Full-text available via subscription   (Followers: 5, SJR: 0.141, h-index: 3)
Actualites Pharmaceutiques Hospitalieres     Full-text available via subscription   (Followers: 4, SJR: 0.112, h-index: 2)
Acupuncture and Related Therapies     Hybrid Journal   (Followers: 4)
Acute Pain     Full-text available via subscription   (Followers: 13)
Ad Hoc Networks     Hybrid Journal   (Followers: 11, SJR: 0.967, h-index: 57)
Addictive Behaviors     Hybrid Journal   (Followers: 15, SJR: 1.514, h-index: 92)
Addictive Behaviors Reports     Open Access   (Followers: 5)
Additive Manufacturing     Hybrid Journal   (Followers: 7, SJR: 1.039, h-index: 5)
Additives for Polymers     Full-text available via subscription   (Followers: 21)
Advanced Drug Delivery Reviews     Hybrid Journal   (Followers: 135, SJR: 5.2, h-index: 222)
Advanced Engineering Informatics     Hybrid Journal   (Followers: 11, SJR: 1.265, h-index: 53)
Advanced Powder Technology     Hybrid Journal   (Followers: 17, SJR: 0.739, h-index: 33)
Advances in Accounting     Hybrid Journal   (Followers: 9, SJR: 0.299, h-index: 15)
Advances in Agronomy     Full-text available via subscription   (Followers: 15, SJR: 2.071, h-index: 82)
Advances in Anesthesia     Full-text available via subscription   (Followers: 25, SJR: 0.169, h-index: 4)
Advances in Antiviral Drug Design     Full-text available via subscription   (Followers: 3)
Advances in Applied Mathematics     Full-text available via subscription   (Followers: 6, SJR: 1.054, h-index: 35)
Advances in Applied Mechanics     Full-text available via subscription   (Followers: 11, SJR: 0.801, h-index: 26)
Advances in Applied Microbiology     Full-text available via subscription   (Followers: 22, SJR: 1.286, h-index: 49)
Advances In Atomic, Molecular, and Optical Physics     Full-text available via subscription   (Followers: 16, SJR: 3.31, h-index: 42)
Advances in Biological Regulation     Hybrid Journal   (Followers: 4, SJR: 2.277, h-index: 43)
Advances in Botanical Research     Full-text available via subscription   (Followers: 3, SJR: 0.619, h-index: 48)
Advances in Cancer Research     Full-text available via subscription   (Followers: 25, SJR: 2.215, h-index: 78)
Advances in Carbohydrate Chemistry and Biochemistry     Full-text available via subscription   (Followers: 9, SJR: 0.9, h-index: 30)
Advances in Catalysis     Full-text available via subscription   (Followers: 5, SJR: 2.139, h-index: 42)
Advances in Cellular and Molecular Biology of Membranes and Organelles     Full-text available via subscription   (Followers: 12)
Advances in Chemical Engineering     Full-text available via subscription   (Followers: 26, SJR: 0.183, h-index: 23)
Advances in Child Development and Behavior     Full-text available via subscription   (Followers: 10, SJR: 0.665, h-index: 29)
Advances in Chronic Kidney Disease     Full-text available via subscription   (Followers: 9, SJR: 1.268, h-index: 45)
Advances in Clinical Chemistry     Full-text available via subscription   (Followers: 29, SJR: 0.938, h-index: 33)
Advances in Colloid and Interface Science     Full-text available via subscription   (Followers: 18, SJR: 2.314, h-index: 130)
Advances in Computers     Full-text available via subscription   (Followers: 16, SJR: 0.223, h-index: 22)
Advances in Dermatology     Full-text available via subscription   (Followers: 12)
Advances in Developmental Biology     Full-text available via subscription   (Followers: 11)
Advances in Digestive Medicine     Open Access   (Followers: 6)
Advances in DNA Sequence-Specific Agents     Full-text available via subscription   (Followers: 5)
Advances in Drug Research     Full-text available via subscription   (Followers: 22)
Advances in Ecological Research     Full-text available via subscription   (Followers: 41, SJR: 3.25, h-index: 43)
Advances in Engineering Software     Hybrid Journal   (Followers: 25, SJR: 0.486, h-index: 10)
Advances in Experimental Biology     Full-text available via subscription   (Followers: 7)
Advances in Experimental Social Psychology     Full-text available via subscription   (Followers: 41, SJR: 5.465, h-index: 64)
Advances in Exploration Geophysics     Full-text available via subscription   (Followers: 3)
Advances in Food and Nutrition Research     Full-text available via subscription   (Followers: 50, SJR: 0.674, h-index: 38)
Advances in Fuel Cells     Full-text available via subscription   (Followers: 16)
Advances in Genetics     Full-text available via subscription   (Followers: 15, SJR: 2.558, h-index: 54)
Advances in Genome Biology     Full-text available via subscription   (Followers: 11)
Advances in Geophysics     Full-text available via subscription   (Followers: 6, SJR: 2.325, h-index: 20)
Advances in Heat Transfer     Full-text available via subscription   (Followers: 22, SJR: 0.906, h-index: 24)
Advances in Heterocyclic Chemistry     Full-text available via subscription   (Followers: 9, SJR: 0.497, h-index: 31)
Advances in Imaging and Electron Physics     Full-text available via subscription   (Followers: 2, SJR: 0.396, h-index: 27)
Advances in Immunology     Full-text available via subscription   (Followers: 35, SJR: 4.152, h-index: 85)
Advances in Inorganic Chemistry     Full-text available via subscription   (Followers: 9, SJR: 1.132, h-index: 42)
Advances in Insect Physiology     Full-text available via subscription   (Followers: 3, SJR: 1.274, h-index: 27)
Advances in Integrative Medicine     Hybrid Journal   (Followers: 6)
Advances in Life Course Research     Hybrid Journal   (Followers: 8, SJR: 0.764, h-index: 15)
Advances in Lipobiology     Full-text available via subscription   (Followers: 2)
Advances in Magnetic and Optical Resonance     Full-text available via subscription   (Followers: 9)
Advances in Marine Biology     Full-text available via subscription   (Followers: 16, SJR: 1.645, h-index: 45)
Advances in Mathematics     Full-text available via subscription   (Followers: 10, SJR: 3.261, h-index: 65)
Advances in Medical Sciences     Hybrid Journal   (Followers: 6, SJR: 0.489, h-index: 25)
Advances in Medicinal Chemistry     Full-text available via subscription   (Followers: 5)
Advances in Microbial Physiology     Full-text available via subscription   (Followers: 4, SJR: 1.44, h-index: 51)
Advances in Molecular and Cell Biology     Full-text available via subscription   (Followers: 22)
Advances in Molecular and Cellular Endocrinology     Full-text available via subscription   (Followers: 10)
Advances in Molecular Toxicology     Full-text available via subscription   (Followers: 7, SJR: 0.324, h-index: 8)
Advances in Nanoporous Materials     Full-text available via subscription   (Followers: 4)
Advances in Oncobiology     Full-text available via subscription   (Followers: 3)
Advances in Organometallic Chemistry     Full-text available via subscription   (Followers: 15, SJR: 2.885, h-index: 45)
Advances in Parallel Computing     Full-text available via subscription   (Followers: 7, SJR: 0.148, h-index: 11)
Advances in Parasitology     Full-text available via subscription   (Followers: 7, SJR: 2.37, h-index: 73)
Advances in Pediatrics     Full-text available via subscription   (Followers: 24, SJR: 0.4, h-index: 28)
Advances in Pharmaceutical Sciences     Full-text available via subscription   (Followers: 13)
Advances in Pharmacology     Full-text available via subscription   (Followers: 15, SJR: 1.718, h-index: 58)
Advances in Physical Organic Chemistry     Full-text available via subscription   (Followers: 8, SJR: 0.384, h-index: 26)
Advances in Phytomedicine     Full-text available via subscription  
Advances in Planar Lipid Bilayers and Liposomes     Full-text available via subscription   (Followers: 3, SJR: 0.248, h-index: 11)
Advances in Plant Biochemistry and Molecular Biology     Full-text available via subscription   (Followers: 8)
Advances in Plant Pathology     Full-text available via subscription   (Followers: 5)
Advances in Porous Media     Full-text available via subscription   (Followers: 4)
Advances in Protein Chemistry     Full-text available via subscription   (Followers: 17)
Advances in Protein Chemistry and Structural Biology     Full-text available via subscription   (Followers: 20, SJR: 1.5, h-index: 62)
Advances in Psychology     Full-text available via subscription   (Followers: 61)
Advances in Quantum Chemistry     Full-text available via subscription   (Followers: 5, SJR: 0.478, h-index: 32)
Advances in Radiation Oncology     Open Access  
Advances in Small Animal Medicine and Surgery     Hybrid Journal   (Followers: 3, SJR: 0.1, h-index: 2)
Advances in Space Research     Full-text available via subscription   (Followers: 355, SJR: 0.606, h-index: 65)
Advances in Structural Biology     Full-text available via subscription   (Followers: 8)
Advances in Surgery     Full-text available via subscription   (Followers: 7, SJR: 0.823, h-index: 27)
Advances in the Study of Behavior     Full-text available via subscription   (Followers: 30, SJR: 1.321, h-index: 56)
Advances in Veterinary Medicine     Full-text available via subscription   (Followers: 17)
Advances in Veterinary Science and Comparative Medicine     Full-text available via subscription   (Followers: 13)
Advances in Virus Research     Full-text available via subscription   (Followers: 5, SJR: 1.878, h-index: 68)
Advances in Water Resources     Hybrid Journal   (Followers: 44, SJR: 2.408, h-index: 94)
Aeolian Research     Hybrid Journal   (Followers: 5, SJR: 0.973, h-index: 22)
Aerospace Science and Technology     Hybrid Journal   (Followers: 326, SJR: 0.816, h-index: 49)
AEU - Intl. J. of Electronics and Communications     Hybrid Journal   (Followers: 8, SJR: 0.318, h-index: 36)
African J. of Emergency Medicine     Open Access   (Followers: 5, SJR: 0.344, h-index: 6)
Ageing Research Reviews     Hybrid Journal   (Followers: 8, SJR: 3.289, h-index: 78)
Aggression and Violent Behavior     Hybrid Journal   (Followers: 405, SJR: 1.385, h-index: 72)
Agri Gene     Hybrid Journal  
Agricultural and Forest Meteorology     Hybrid Journal   (Followers: 16, SJR: 2.18, h-index: 116)
Agricultural Systems     Hybrid Journal   (Followers: 30, SJR: 1.275, h-index: 74)
Agricultural Water Management     Hybrid Journal   (Followers: 39, SJR: 1.546, h-index: 79)
Agriculture and Agricultural Science Procedia     Open Access  
Agriculture and Natural Resources     Open Access   (Followers: 1)
Agriculture, Ecosystems & Environment     Hybrid Journal   (Followers: 54, SJR: 1.879, h-index: 120)
Ain Shams Engineering J.     Open Access   (Followers: 5, SJR: 0.434, h-index: 14)
Air Medical J.     Hybrid Journal   (Followers: 5, SJR: 0.234, h-index: 18)
AKCE Intl. J. of Graphs and Combinatorics     Open Access   (SJR: 0.285, h-index: 3)
Alcohol     Hybrid Journal   (Followers: 11, SJR: 0.922, h-index: 66)
Alcoholism and Drug Addiction     Open Access   (Followers: 8)
Alergologia Polska : Polish J. of Allergology     Full-text available via subscription   (Followers: 1)
Alexandria Engineering J.     Open Access   (Followers: 1, SJR: 0.436, h-index: 12)
Alexandria J. of Medicine     Open Access  
Algal Research     Partially Free   (Followers: 8, SJR: 2.05, h-index: 20)
Alkaloids: Chemical and Biological Perspectives     Full-text available via subscription   (Followers: 3)
Allergologia et Immunopathologia     Full-text available via subscription   (Followers: 1, SJR: 0.46, h-index: 29)
Allergology Intl.     Open Access   (Followers: 4, SJR: 0.776, h-index: 35)
Alpha Omegan     Full-text available via subscription   (SJR: 0.121, h-index: 9)
ALTER - European J. of Disability Research / Revue Européenne de Recherche sur le Handicap     Full-text available via subscription   (Followers: 8, SJR: 0.158, h-index: 9)
Alzheimer's & Dementia     Hybrid Journal   (Followers: 48, SJR: 4.289, h-index: 64)
Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring     Open Access   (Followers: 6)
Alzheimer's & Dementia: Translational Research & Clinical Interventions     Open Access   (Followers: 5)
American Heart J.     Hybrid Journal   (Followers: 49, SJR: 3.157, h-index: 153)
American J. of Cardiology     Hybrid Journal   (Followers: 47, SJR: 2.063, h-index: 186)
American J. of Emergency Medicine     Hybrid Journal   (Followers: 39, SJR: 0.574, h-index: 65)
American J. of Geriatric Pharmacotherapy     Full-text available via subscription   (Followers: 8, SJR: 1.091, h-index: 45)
American J. of Geriatric Psychiatry     Hybrid Journal   (Followers: 15, SJR: 1.653, h-index: 93)
American J. of Human Genetics     Hybrid Journal   (Followers: 31, SJR: 8.769, h-index: 256)
American J. of Infection Control     Hybrid Journal   (Followers: 25, SJR: 1.259, h-index: 81)
American J. of Kidney Diseases     Hybrid Journal   (Followers: 32, SJR: 2.313, h-index: 172)
American J. of Medicine     Hybrid Journal   (Followers: 45, SJR: 2.023, h-index: 189)
American J. of Medicine Supplements     Full-text available via subscription   (Followers: 3)
American J. of Obstetrics and Gynecology     Hybrid Journal   (Followers: 229, SJR: 2.255, h-index: 171)
American J. of Ophthalmology     Hybrid Journal   (Followers: 58, SJR: 2.803, h-index: 148)
American J. of Ophthalmology Case Reports     Open Access   (Followers: 5)
American J. of Orthodontics and Dentofacial Orthopedics     Full-text available via subscription   (Followers: 6, SJR: 1.249, h-index: 88)
American J. of Otolaryngology     Hybrid Journal   (Followers: 25, SJR: 0.59, h-index: 45)
American J. of Pathology     Hybrid Journal   (Followers: 26, SJR: 2.653, h-index: 228)
American J. of Preventive Medicine     Hybrid Journal   (Followers: 22, SJR: 2.764, h-index: 154)
American J. of Surgery     Hybrid Journal   (Followers: 34, SJR: 1.286, h-index: 125)
American J. of the Medical Sciences     Hybrid Journal   (Followers: 12, SJR: 0.653, h-index: 70)
Ampersand : An Intl. J. of General and Applied Linguistics     Open Access   (Followers: 5)
Anaerobe     Hybrid Journal   (Followers: 4, SJR: 1.066, h-index: 51)
Anaesthesia & Intensive Care Medicine     Full-text available via subscription   (Followers: 57, SJR: 0.124, h-index: 9)
Anaesthesia Critical Care & Pain Medicine     Full-text available via subscription   (Followers: 11)
Anales de Cirugia Vascular     Full-text available via subscription  
Anales de Pediatría     Full-text available via subscription   (Followers: 2, SJR: 0.209, h-index: 27)
Anales de Pediatría (English Edition)     Full-text available via subscription  
Anales de Pediatría Continuada     Full-text available via subscription   (SJR: 0.104, h-index: 3)
Analytic Methods in Accident Research     Hybrid Journal   (Followers: 4, SJR: 2.577, h-index: 7)
Analytica Chimica Acta     Hybrid Journal   (Followers: 37, SJR: 1.548, h-index: 152)
Analytical Biochemistry     Hybrid Journal   (Followers: 167, SJR: 0.725, h-index: 154)
Analytical Chemistry Research     Open Access   (Followers: 8, SJR: 0.18, h-index: 2)
Analytical Spectroscopy Library     Full-text available via subscription   (Followers: 11)
Anesthésie & Réanimation     Full-text available via subscription   (Followers: 1)
Anesthesiology Clinics     Full-text available via subscription   (Followers: 22, SJR: 0.421, h-index: 40)
Angiología     Full-text available via subscription   (SJR: 0.124, h-index: 9)
Angiologia e Cirurgia Vascular     Open Access  
Animal Behaviour     Hybrid Journal   (Followers: 161, SJR: 1.907, h-index: 126)
Animal Feed Science and Technology     Hybrid Journal   (Followers: 5, SJR: 1.151, h-index: 83)
Animal Reproduction Science     Hybrid Journal   (Followers: 5, SJR: 0.711, h-index: 78)
Annales d'Endocrinologie     Full-text available via subscription   (Followers: 1, SJR: 0.394, h-index: 30)
Annales d'Urologie     Full-text available via subscription  
Annales de Cardiologie et d'Angéiologie     Full-text available via subscription   (SJR: 0.177, h-index: 13)
Annales de Chirurgie de la Main et du Membre Supérieur     Full-text available via subscription  
Annales de Chirurgie Plastique Esthétique     Full-text available via subscription   (Followers: 2, SJR: 0.354, h-index: 22)
Annales de Chirurgie Vasculaire     Full-text available via subscription   (Followers: 1)

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Journal Cover Advances in Heterocyclic Chemistry
  [SJR: 0.497]   [H-I: 31]   [9 followers]  Follow
    
   Full-text available via subscription Subscription journal
   ISSN (Print) 0065-2725
   Published by Elsevier Homepage  [3043 journals]
  • Tautomerism and Structure of Azoles: Nuclear Magnetic Resonance
           Spectroscopy
    • Authors: Lyudmila I. Larina
      Abstract: Publication date: Available online 5 August 2017
      Source:Advances in Heterocyclic Chemistry
      Author(s): Lyudmila I. Larina
      This review provides comprehensive data (from the author's work and the literature) on tautomerism of pyrazoles, imidazoles, 1,2,3- and 1,2,4-triazoles, tetrazoles, benzimidazoles, benzimidazolones, benzotriazoles, and related compounds by multinuclear 1H, 13C, 15N nuclear magnetic resonance (NMR) spectroscopy. Emphasis is given to studies of azoles by multinuclear dynamic NMR spectroscopy because prototropic transformations of almost all azoles in solution proceed so quickly. Quantum-chemical investigations of tautomeric azoles are covered in detail. Critical analysis of literature data on the tautomerism of azoles is presented. Theoretical studies of structure and reactivity of azoles are most intriguing because correct interpretation of their chemical behavior and biological activity depends on an understanding the factors determining relative stability of their tautomers. 15N NMR spectroscopy is the most reliable and fast technique for structural and tautomeric determination of nitrogen-containing heteroaromatic compounds.

      PubDate: 2017-08-28T06:21:52Z
      DOI: 10.1016/bs.aihch.2017.06.003
       
  • Heterocycles Incorporating a Pentacoordinated, Hypervalent Phosphorus Atom
    • Authors: Dorota Krasowska; Patrycja Pokora-Sobczak; Aleksandra Jasiak; Józef Drabowicz
      Abstract: Publication date: Available online 17 July 2017
      Source:Advances in Heterocyclic Chemistry
      Author(s): Dorota Krasowska, Patrycja Pokora-Sobczak, Aleksandra Jasiak, Józef Drabowicz
      This chapter presents the synthesis of heterocycles with a hypervalent, pentacoordinated phosphorus atom. It is divided into two sections. The first is devoted to the preparation of pentavalent, pentacoordinated, hypervalent monocyclic phosphoranes, and their selected interconversions. The second section, concerning bicyclic heterocycles, describes the synthesis and reactivity of all kinds of bicyclic phosphoranes. The phenomenon of chirality for this group of organophosphorus derivatives is also briefly discussed.

      PubDate: 2017-07-23T19:13:10Z
      DOI: 10.1016/bs.aihch.2017.06.002
       
  • Organometallic Complexes of Azines
    • Authors: Alexander P. Sadimenko; Omobola O. Okoh
      Abstract: Publication date: Available online 12 July 2017
      Source:Advances in Heterocyclic Chemistry
      Author(s): Alexander P. Sadimenko, Omobola O. Okoh
      Organometallic complexes of practically unsubstituted (non-chelating) azines and their benzannulated derivatives, possible N-heterocyclic carbenes containing at least one double bond, and boron-, boron–nitrogen, silicon-, tri- and hexaphosphorus analogs of azines are considered in the view of their synthetic availability, coordination modes, and possible application in catalysis and materials chemistry.

      PubDate: 2017-07-23T19:13:10Z
      DOI: 10.1016/bs.aihch.2017.06.001
       
  • 2-Pyridone Methides (2-Methylene-1,2-dihydropyridines) and Benzo-Fused
           Analogs11Part 1 (Adv. Heterocycl. Chem., 122, 141 (2017)) contains
           Sections 1 and 2 (Introduction and Synthesis, resp.), including Schemes
           1–50 (Formulas 1–303) and Tables 1 and 2. Part 2: Structure,
           Reactivity, and Application
    • Authors: Gunther Fischer
      Abstract: Publication date: Available online 21 April 2017
      Source:Advances in Heterocyclic Chemistry
      Author(s): Gunther Fischer
      One main focus of the review (Part 2) is spectral and physicochemical properties of both N-unsubstituted methides and anhydrobases, including tautomerism and stability. In the sections on chemical reactivity, reactions upon the α-position as well as ring formation and transformation are dominant. Finally, recently published applications are reviewed.

      PubDate: 2017-04-24T20:45:29Z
       
  • Advances in Heterocyclic Chemistry
    • Abstract: Publication date: 2017
      Source:Advances in Heterocyclic Chemistry, Volume 123


      PubDate: 2017-04-03T16:58:05Z
       
  • Editorial Advisory Board
    • Abstract: Publication date: 2017
      Source:Advances in Heterocyclic Chemistry, Volume 123


      PubDate: 2017-04-03T16:58:05Z
       
  • Advances in Heterocyclic Chemistry
    • Abstract: Publication date: 2017
      Source:Advances in Heterocyclic Chemistry, Volume 122


      PubDate: 2017-03-20T13:54:36Z
       
  • Editorial Advisory Board
    • Abstract: Publication date: 2017
      Source:Advances in Heterocyclic Chemistry, Volume 122


      PubDate: 2017-03-20T13:54:36Z
       
  • Synthesis and Applications of Thiophene Derivatives as Organic Materials
    • Authors: G. Barbarella; M. Zangoli; F. Di Maria
      Abstract: Publication date: Available online 24 February 2017
      Source:Advances in Heterocyclic Chemistry
      Author(s): G. Barbarella, M. Zangoli, F. Di Maria
      Thiophene-based compounds have acquired increasing importance in materials science and technology, owing to their multiple functional properties, chemical robustness, and versatility. Research studies involving thiophene-based materials are highly interdisciplinary and range from organic electronics, in which the semiconducting properties of these materials are exploited in devices such as thin film field-effect transistors and solar cells, to bioimaging, in which their optical properties are exploited to monitor biological events involving proteins and DNA. Since all fields are concerned with the synthesis of new molecular structures, this chapter also deals with the most recent advances in the synthesis of oligo- and polythiophenes.

      PubDate: 2017-02-24T10:54:36Z
      DOI: 10.1016/bs.aihch.2017.01.001
       
  • The Synthesis and Chemistry of Azolobenzodiazepines
    • Authors: Hemming
      Abstract: Publication date: Available online 8 February 2017
      Source:Advances in Heterocyclic Chemistry
      Author(s): K. Hemming
      Approaches to the synthesis and applications of the azolobenzodiazepines have been reviewed with a particular focus on the imidazo-, pyrrolo-, pyrazolo-, and triazolo-fused systems. The review covers N-arylation, metal-catalyzed coupling processes, radiolabeled synthesis, multicomponent reactions, and the synthesis of biologically active molecules. Key natural products covered are the fuligocandins, the circumdatins, and other pyrrolobenzodiazepines. The review also covers well-known pharmaceutical substances such as flumazenil, midazolam, SJG-136, and alprazolam.

      PubDate: 2017-02-10T13:10:10Z
       
  • A Synopsis of the Properties and Applications of Heteroaromatic Rings in
           Medicinal Chemistry
    • Authors: N.A. Meanwell
      Abstract: Publication date: Available online 9 January 2017
      Source:Advances in Heterocyclic Chemistry
      Author(s): N.A. Meanwell
      Five- and six-membered heteroaromatic rings and their benzo-fused homologues are well established as important structural elements in drug design and are well represented in approved drugs. The key properties of these heterocycles that are of interest to medicinal chemists include lipophilicity, pK a, aromaticity, ionization potential, H-bond acceptor, and H-bond donor (NH, OH, CH) capability, electron withdrawing effects, dipole values, and bond angles. The judicious and productive application of azoles and azines in drug design requires an understanding of the intrinsic physical chemical properties of the individual heterocycles and how these interact with substituents. In this article, the key properties of azole and azine heterocycles are summarized followed by a synopsis of applications where some of these factors play a role in drug–target interactions and/or potency.

      PubDate: 2017-01-15T19:21:36Z
      DOI: 10.1016/bs.aihch.2016.11.002
       
  • Advances in Heterocyclic Chemistry
    • Abstract: Publication date: 2017
      Source:Advances in Heterocyclic Chemistry, Volume 121


      PubDate: 2017-01-06T17:19:45Z
       
  • Editorial Advisory Board
    • Abstract: Publication date: 2017
      Source:Advances in Heterocyclic Chemistry, Volume 121


      PubDate: 2017-01-06T17:19:45Z
       
  • Synthesis of Heterocycles From Amidrazones
    • Authors: A.A. Aly; M. Ramadan; H.M. Fatthy
      Abstract: Publication date: Available online 29 December 2016
      Source:Advances in Heterocyclic Chemistry
      Author(s): A.A. Aly, M. Ramadan, H.M. Fatthy
      Amidrazones have the structure R1NC(R2)=NNHR3. The ease of forming CN and CN bonds is reflected in their extensive use for the preparation of heterocycles. While the terminal nitrogen atom of the hydrazone moiety in amidrazones (CNNH2) is the most powerful nucleophilic center, the other two nitrogen atoms can also act as nucleophiles and thus complete cyclization processes. In this chapter, we update the utility of amidrazones in heterocycles synthesis.

      PubDate: 2017-01-06T17:19:45Z
      DOI: 10.1016/bs.aihch.2016.11.001
       
  • Diketene as Privileged Synthon in the Syntheses of Heterocycles Part 1:
           Four- and Five-Membered Ring Heterocyclesa
    • Authors: M.M. Heravi; B. Talaei
      Abstract: Publication date: Available online 30 November 2016
      Source:Advances in Heterocyclic Chemistry
      Author(s): M.M. Heravi, B. Talaei
      4-Methyleneoxetan-2-one (Diketene or DK) consists of a four-membered lactone ring adjacent to a methylene function. It can be used as a versatile precursor for the syntheses of wide range of heterocycles including fused and spiral biheterocycles. In this chapter, we try to cover the structural features and reactivity of DK, and underscore its applications as a flexible and useful synthon in the syntheses of four- and five-membered heterocycles as well as a wide variety of fused or spiro heterocycles. This chapter as part 1 is divided in accordance with the ring sizes and subdivided according to types, numbers, and arrangements of heteroatoms.

      PubDate: 2016-12-05T16:58:07Z
      DOI: 10.1016/bs.aihch.2016.10.003
       
  • 2-Pyridone Methides (2-Methylene-1,2-dihydropyridines) and Benzo-Fused
           Analogs—Part 1: Synthesis
    • Authors: Fischer
      Abstract: Publication date: Available online 30 August 2016
      Source:Advances in Heterocyclic Chemistry
      Author(s): G. Fischer
      The review (Part 1) deals with the synthesis of 2-pyridone methides and benzo-fused analogs. Methides that are unsubstituted at the nitrogen atom are mainly synthesized from the corresponding pyridine bases by reactions at o- or α-positions, from N-oxides or by ring formation or transformation. N-Substituted so-called anhydrobases mostly originate from quaternary salts either by deprotonation or by reactions at o- or α-positions.

      PubDate: 2016-09-02T19:45:40Z
       
  • The Evolving Landscape of Heterocycles in Drugs and Drug Candidates
    • Authors: Tony Y. Zhang
      Abstract: Publication date: Available online 8 August 2016
      Source:Advances in Heterocyclic Chemistry
      Author(s): Tony Y. Zhang
      Substructure analysis of approved drugs and drug candidates in clinical trials was performed to illustrate the evolving roles of heterocycles in pharmaceutical research. The increasing representation of biaryls and heteroaromatics is noted and attributed predominantly to their better accessibility brought upon by advances in metal catalyzed cross-coupling and hetero-coupling reactions. Possible future focus of academic research is proposed for improving structural diversity and probability of success for drug research, and enhancing the impact of heterocyclic chemistry to the development of new medicines.

      PubDate: 2016-08-13T10:07:30Z
      DOI: 10.1016/bs.aihch.2016.05.001
       
  • Heterocyclic Building Blocks for Organic Semiconductors
    • Authors: Xikang Zhao; Saadia T. Chaudhry; Jianguo Mei
      Abstract: Publication date: Available online 29 June 2016
      Source:Advances in Heterocyclic Chemistry
      Author(s): Xikang Zhao, Saadia T. Chaudhry, Jianguo Mei
      Organic semiconductors are an important class of functional materials. Numerous molecular and polymeric organic semiconductors have been developed for their great potentials in next generation flexible and printed electronics. In this chapter, the authors review some of the most popular heterocyclic building blocks and their chemistry. These building blocks are organized based on the heteroatom(s) that are present in their structures, including sulfur-, nitrogen-, silicon-, phosphorus-, and boron-containing heterocycles.

      PubDate: 2016-07-11T21:23:33Z
      DOI: 10.1016/bs.aihch.2016.04.009
       
  • Thiazole and Isothiazole Ring–Containing Compounds in Crop
           Protection
    • Authors: Peter Maienfisch; Andrew J.F. Edmunds
      Abstract: Publication date: Available online 21 June 2016
      Source:Advances in Heterocyclic Chemistry
      Author(s): Peter Maienfisch, Andrew J.F. Edmunds
      Organic compounds containing five-membered aromatic heterocyclic rings play an important role in life science. Among them thiazole and isothiazole heterocycles are present in many pharmaceutical drugs and crop protection compounds and have sparked over past years an enormous interest on these scaffolds. In agrochemicals these moieties are found in 11 commercial products as well as in two development compounds. A thiazole moiety is present in nine currently marketed agrochemicals, namely the insecticides thiamethoxam and clothianidin; the fungicides thiabendazole, thifluzamide, ethaboxam, benthiavalicarb, and oxathiapiprolin; the nematicide fluensulfone; as well as in the development compound dicloromezotiaz. One compound, the fungicide isotianil, contains an isothiazole ring; two compounds a benzothiazole ring, namely the herbicides methabenzthiazuron and mefenacet; and one compound, the former nematicide development compound benclothiaz, contains a benzisothiazole ring. Interestingly thiazole and isothiazole heterocycles are much less frequently found in agrochemicals than pyridine and pyrazole despite their bioisosteric relationship, which may indicate that these heterocycles have still not been explored to their full scope in crop protection lead discovery and optimization. Detailed information on the discovery, synthesis, and the structure–activity relationships of thiazole- and isothiazole-containing agrochemicals is provided in this review.

      PubDate: 2016-07-11T21:23:33Z
      DOI: 10.1016/bs.aihch.2016.04.010
       
  • Heterogeneously Catalyzed Synthesis of Heterocyclic Compounds
    • Authors: Colin H. McAteer; Ramiah Murugan; Yarlagadda V. Subba Rao
      Abstract: Publication date: Available online 17 May 2016
      Source:Advances in Heterocyclic Chemistry
      Author(s): Colin H. McAteer, Ramiah Murugan, Yarlagadda V. Subba Rao
      This chapter covers the synthesis of heterocyclic compounds using heterogeneous catalysts from the perspective of practicing industrial chemists. Before discussing the synthesis of various heterocycles using heterogeneous catalysts a brief discussion on catalyst choice and classification of reaction chemistry is provided. Next, the synthesis of commercially important heterocycles from acyclic precursors is provided starting with the three-membered aziridines and epoxides. For the four-membered heterocycles, propiolactone synthesis is discussed followed by the five-membered pyrroles, furans, and thiophenes. Within the five-membered ring category of heterocycles, the benz-fused pyrrole, indole and rings with more than one heteroatom such as pyrazoles, imidazoles, thiazoles, oxa- and thio-diazoles synthesis are also discussed. Similar to the five-membered ring heterocycles, the six-membered heterocycle syntheses discussed are pyridines, picolines, quinolines, acridines, pyrimidines, pyrazines, triazines, coumarins, etc. Finally a small section on process and economics consideration is provided along with final comments.

      PubDate: 2016-05-19T18:38:13Z
      DOI: 10.1016/bs.aihch.2016.03.003
       
  • Nitrogen-Rich Azoles as High Density Energy Materials: Reviewing the
           Energetic Footprints of Heterocycles
    • Authors: Ping Yin; Jean'ne M. Shreeve
      Abstract: Publication date: Available online 17 May 2016
      Source:Advances in Heterocyclic Chemistry
      Author(s): Ping Yin, Jean'ne M. Shreeve
      In this contribution, recent developments of azole-based high energy density materials are reviewed. A variety of azoles, e.g., pyrazole, imidazole, triazole, and tetrazole, were used as nitrogen-rich backbones and were functionalized with explosophores. The synthetic methods, experimental properties, and theoretical calculations are discussed leading to panoramas of these promising energetic materials.

      PubDate: 2016-05-19T18:38:13Z
      DOI: 10.1016/bs.aihch.2016.04.004
       
 
 
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