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Advances in Heterocyclic Chemistry最新文献

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3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2022-05-01 DOI: 10.1016/b978-0-12-815956-9.00012-0
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引用次数: 0
Meso-ionic compounds Meso-ionic化合物
3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2022-01-01 DOI: 10.1039/QR9571100015
W. Baker, W. Ollis
{"title":"Meso-ionic compounds","authors":"W. Baker, W. Ollis","doi":"10.1039/QR9571100015","DOIUrl":"https://doi.org/10.1039/QR9571100015","url":null,"abstract":"Publisher Summary This chapter reviews meso-ionic heterocycles. It discusses the currently known types of meso-ionic heterocycles, which can then be considered in relation to the total number of possibilities associated with certain structural conditions. A compound may be appropriately called meso-ionic if it is a five or possibly a six-membered heterocyclic compound that cannot be represented satisfactorily by any one covalent or polar structure and possesses a sextet of electrons in association with the atoms comprising the ring. The ring bears a fractional positive charge balanced by a corresponding negative charge located on a covalently attached atom or group of atoms. The adoption of the term meso-ionic and its frequent use has demonstrated its usefulness. The five-membered mesoionic heterocycles can be divided into two general classes: type A and type B. This chapter is concerned with the currently known 44 members of type A and eight members of type B.","PeriodicalId":50864,"journal":{"name":"Advances in Heterocyclic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1039/QR9571100015","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"58126115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 100
Series Page 系列页面
3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2022-01-01 DOI: 10.1016/s0065-2725(22)00006-x
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引用次数: 0
Applications of the Vilsmeier reaction in heterocyclic chemistry 维斯迈耶反应在杂环化学中的应用
3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2022-01-01 DOI: 10.1016/bs.aihch.2021.08.001
Ismail A. Abdelhamid, M. Shaaban, Ahmed H. M. Elwahy
{"title":"Applications of the Vilsmeier reaction in heterocyclic chemistry","authors":"Ismail A. Abdelhamid, M. Shaaban, Ahmed H. M. Elwahy","doi":"10.1016/bs.aihch.2021.08.001","DOIUrl":"https://doi.org/10.1016/bs.aihch.2021.08.001","url":null,"abstract":"","PeriodicalId":50864,"journal":{"name":"Advances in Heterocyclic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"54034611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The synthesis of pyrazolo[5,1-c][1,2,4]triazoles. Part 2: From bicyclic precursors. Annulated pyrazolo[5,1-c][1,2,4]triazoles 吡唑[5,1-c][1,2,4]三唑的合成。第2部分:来自双环前体。环状的pyrazolo [5 1 - c][1、2、4)氮杂四唑
3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2022-01-01 DOI: 10.1016/bs.aihch.2021.09.001
B. Pintea, Vasile N. Bercean, V. Badea
{"title":"The synthesis of pyrazolo[5,1-c][1,2,4]triazoles. Part 2: From bicyclic precursors. Annulated pyrazolo[5,1-c][1,2,4]triazoles","authors":"B. Pintea, Vasile N. Bercean, V. Badea","doi":"10.1016/bs.aihch.2021.09.001","DOIUrl":"https://doi.org/10.1016/bs.aihch.2021.09.001","url":null,"abstract":"","PeriodicalId":50864,"journal":{"name":"Advances in Heterocyclic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"54034716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Developments in the chemistry of 1,3a,6a-triazapentalenes and their fused analogs 1,3a,6 -三氮杂二烯及其熔融类似物的化学进展
3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2022-01-01 DOI: 10.1016/bs.aihch.2021.10.002
Yingchun Wang, Tomas Opsomer, W. Dehaen
{"title":"Developments in the chemistry of 1,3a,6a-triazapentalenes and their fused analogs","authors":"Yingchun Wang, Tomas Opsomer, W. Dehaen","doi":"10.1016/bs.aihch.2021.10.002","DOIUrl":"https://doi.org/10.1016/bs.aihch.2021.10.002","url":null,"abstract":"","PeriodicalId":50864,"journal":{"name":"Advances in Heterocyclic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"54034865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The literature of heterocyclic chemistry, Part XIX, 2019 杂环化学文献，第19部分，2019
3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2022-01-01 DOI: 10.1016/bs.aihch.2021.09.002
L. I. Belen’kii, G. Gazieva, Yu. B. Evdokimenkova, N. O. Soboleva
{"title":"The literature of heterocyclic chemistry, Part XIX, 2019","authors":"L. I. Belen’kii, G. Gazieva, Yu. B. Evdokimenkova, N. O. Soboleva","doi":"10.1016/bs.aihch.2021.09.002","DOIUrl":"https://doi.org/10.1016/bs.aihch.2021.09.002","url":null,"abstract":"","PeriodicalId":50864,"journal":{"name":"Advances in Heterocyclic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"54034757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heterocyclic Mesomeric Betaines and Mesoionic Compounds 杂环介聚甜菜碱和介离子化合物
3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2022-01-01 DOI: 10.1016/s0065-2725(22)x0003-2
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引用次数: 2
Hydroxyazoles as acid isosteres and their drug design applications—Part 2: Bicyclic systems 作为酸同位体的羟基唑及其药物设计应用-第2部分:双环体系
3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2021-01-01 DOI: 10.1016/bs.aihch.2020.12.002
A. C. Pippione, Stefano Sainas, D. Boschi, M. Lolli
{"title":"Hydroxyazoles as acid isosteres and their drug design applications—Part 2: Bicyclic systems","authors":"A. C. Pippione, Stefano Sainas, D. Boschi, M. Lolli","doi":"10.1016/bs.aihch.2020.12.002","DOIUrl":"https://doi.org/10.1016/bs.aihch.2020.12.002","url":null,"abstract":"","PeriodicalId":50864,"journal":{"name":"Advances in Heterocyclic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/bs.aihch.2020.12.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"54034563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Index 指数
3区 化学
Advances in Heterocyclic Chemistry Pub Date : 2021-01-01 DOI: 10.1016/s0065-2725(21)00038-6
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引用次数: 0
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