{"title":"在无金属、氧化剂和叠氮化物条件下光催化生成 1,4-二取代的 1,2,3-三唑","authors":"Changhong Liu, Dilshat Abdukerem, Wenli Zhu, Kun Xia, Zechuan Mao, Ablimit Abdukader","doi":"10.1016/j.gresc.2023.05.001","DOIUrl":null,"url":null,"abstract":"<div><p>Available online A mild and efficient photocatalytic-induced radical method has been developed for [4 + 1] cycloaddition reaction of 1,4-disubstituted 1,2,3-triazoles with <em>N</em>-tosylhydrazides and primary amines. The reaction is catalyzed by 20 mol% of I<sub>2</sub> under metal, azide and oxidant-free conditions. The method is based upon the photocatalytic generation of allyl-type radicals, followed by the iodine-catalyzed production of azoalkenes, which react rapidly with various anilines.</p></div>","PeriodicalId":12794,"journal":{"name":"Green Synthesis and Catalysis","volume":"5 1","pages":"Pages 62-67"},"PeriodicalIF":0.0000,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666554923000509/pdfft?md5=7886140dff15b69729a90730a4226a33&pid=1-s2.0-S2666554923000509-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Photocatalytic generation of 1,4-disubstituted 1,2,3-triazoles under metal, oxidant and azide-free conditions\",\"authors\":\"Changhong Liu, Dilshat Abdukerem, Wenli Zhu, Kun Xia, Zechuan Mao, Ablimit Abdukader\",\"doi\":\"10.1016/j.gresc.2023.05.001\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Available online A mild and efficient photocatalytic-induced radical method has been developed for [4 + 1] cycloaddition reaction of 1,4-disubstituted 1,2,3-triazoles with <em>N</em>-tosylhydrazides and primary amines. The reaction is catalyzed by 20 mol% of I<sub>2</sub> under metal, azide and oxidant-free conditions. The method is based upon the photocatalytic generation of allyl-type radicals, followed by the iodine-catalyzed production of azoalkenes, which react rapidly with various anilines.</p></div>\",\"PeriodicalId\":12794,\"journal\":{\"name\":\"Green Synthesis and Catalysis\",\"volume\":\"5 1\",\"pages\":\"Pages 62-67\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.sciencedirect.com/science/article/pii/S2666554923000509/pdfft?md5=7886140dff15b69729a90730a4226a33&pid=1-s2.0-S2666554923000509-main.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Green Synthesis and Catalysis\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2666554923000509\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Green Synthesis and Catalysis","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2666554923000509","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Photocatalytic generation of 1,4-disubstituted 1,2,3-triazoles under metal, oxidant and azide-free conditions
Available online A mild and efficient photocatalytic-induced radical method has been developed for [4 + 1] cycloaddition reaction of 1,4-disubstituted 1,2,3-triazoles with N-tosylhydrazides and primary amines. The reaction is catalyzed by 20 mol% of I2 under metal, azide and oxidant-free conditions. The method is based upon the photocatalytic generation of allyl-type radicals, followed by the iodine-catalyzed production of azoalkenes, which react rapidly with various anilines.
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