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190121s2019 xx ob 001 0 eng d |
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|a YDX
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|a 1082356356
|a 1082878784
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|a 547.59
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|a Advances in heterocyclic chemistry.
|n Volume 127.
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1 |
|a [Place of publication not identified] :
|b Elsevier Academic Press,
|c 2019.
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| 300 |
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|a 1 online resource
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|a text
|b txt
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|a online resource
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|a text file
|b PDF
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|a Advances in Heterocyclic Chemistry ;
|v Volume 127
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|a Front Cover; Advances in Heterocyclic Chemistry; Copyright; Contents; Contributors; Preface; Chapter One: Recent advances in 1,2,4-triazolo[1,5-a]pyrimidine chemistry; 1. Introduction; 1.1. General survey; 1.2. Scope and limitation; 1.3. Nomenclature; 2. Occurrence and synthesis; 2.1. Survey; 2.2. Occurrence; 2.3. Syntheses from 5-amino-1,2,4-triazoles and 1,3-biselectrophiles; 2.3.1. Principle and conditions; 2.3.2. The diversity of biselectrophiles; 2.3.3. Regioselectivity; 2.3.4. The direct synthesis of triazolopyrimidines substituted onto carbon ring atoms
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|a 2.3.5. The use of modified biselectrophiles2.3.6. The use of polyfunctional electrophiles; 2.3.7. Syntheses via dihydro triazolopyrimidines; 2.3.8. Multicomponent reactions; 2.3.9. Special syntheses; 2.4. Syntheses using special aminotriazole derivatives; 2.4.1. Syntheses of N-substituted triazolopyrimidines; 2.4.2. The use of aminotriazole-based intermediates; 2.5. Triazole ring syntheses; 2.5.1. Syntheses from 1,2-diaminopyrimidines; 2.5.2. Syntheses from N-(pyrimid-2-yl)amidine-series compounds; 2.5.3. Syntheses from 2-hydrazinopyrimidines; 2.5.4. Other triazole ring syntheses
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|a 2.6. Other routes to triazolopyrimidines2.6.1. Aromatization of dihydro derivatives; 2.6.2. Ring transformation and cleavage; 3. Structure; 3.1. Theoretical methods; 3.2. X-ray diffraction; 3.3. Molecular spectra; 3.3.1. H NMR spectra; 3.3.2. C NMR spectra; 3.3.3. F NMR spectra; 3.3.4. Electronic spectra; 3.3.5. Infrared and Raman spectra; 3.3.6. Mass spectra; 3.4. Physicochemical properties; 3.5. Tautomerism; 4. Reactivity; 4.1. Triazolopyrimidines as bases and acids; 4.1.1. Protonation and dissociation; 4.1.2. Coordination; 4.2. Alkylation at nitrogen ring atoms
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|a 4.3. Carbon-carbon coupling at ring atoms4.3.1. The use of organometallic and metal salt reagents; 4.3.2. Suzuki coupling; 4.3.3. Sonogashira coupling; 4.3.4. Oxidative coupling; 4.3.5. Reductive coupling; 4.3.6. Nucleophilic addition; 4.4. Other reactions at ring atoms; 4.5. Nucleophilic substitution of functional groups at the rings; 4.5.1. Substitution of halogen; 4.5.2. Substitution of oxygen-, sulfur-, or nitrogen-containing functions; 4.6. Transformation of individual substituents; 4.6.1. Oxygen- or sulfur-containing groups; 4.6.2. Amines and their derivatives
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|a 4.6.3. Carbonyl containing groups4.7. Ring cleavage and recyclization; 4.8. Anellation of heterocyclic rings; 4.8.1. Anellation onto 6/7 positions; 4.8.2. Anellation onto other positions; 4.9. Reactivity of side chains; 4.9.1. Reactions involving halogen or oxygen functionalities; 4.9.2. Reactions involving sulfur, nitrogen, or phosphorus functionalities; 4.9.3. Formation of hydrocarbon groups; 4.9.4. Formation of diheterocyclyl compounds; 5. Application; 5.1. Pharmaceutical use; 5.2. Agrochemical use; 5.3. Optical and information recording uses; 5.4. Other uses; References
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|a Includes bibliographical references and index.
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| 650 |
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|a Heterocyclic chemistry.
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| 650 |
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7 |
|a SCIENCE
|x Chemistry
|x Organic.
|2 bisacsh
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| 650 |
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7 |
|a Heterocyclic chemistry.
|2 fast
|0 (OCoLC)fst00955735
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4 |
|a Electronic books.
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| 776 |
0 |
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|i Print version:
|t Advances in heterocyclic chemistry. Volume 127.
|d [Place of publication not identified] : Elsevier Academic Press, 2019
|z 0128171812
|z 9780128171813
|w (OCoLC)1047773662
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| 830 |
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0 |
|a Advances in Heterocyclic Chemistry ;
|v v. 127.
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| 856 |
4 |
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|3 ScienceDirect
|u https://www.sciencedirect.com/science/bookseries/00652725/127
|z Full Text via HEAL-Link
|
