{"title":"利用 AgOTf 介导的自缩合合成前花翠素 B2 3,3′′-digallate","authors":"Hana Saito , Yoriko Takahashi , Atsushi Kawamura , Hidefumi Makabe","doi":"10.1016/j.rechem.2024.101902","DOIUrl":null,"url":null,"abstract":"<div><div>The Lewis acid mediated self-condensation of an epigallocatechin gallate derivative was examined. We found that AgOTf as a Lewis acid and diethylene glycol as a leaving group at C-4 position afforded a dimeric epigallocatechin gallate derivative in a moderate yield. The condensed product was applied to the synthesis of prodelphinidin B2 3,3′′-digallate.</div></div>","PeriodicalId":420,"journal":{"name":"Results in Chemistry","volume":"12 ","pages":"Article 101902"},"PeriodicalIF":2.5000,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Synthesis of prodelphinidin B2 3,3′′-digallate using AgOTf-mediated self-condensation\",\"authors\":\"Hana Saito , Yoriko Takahashi , Atsushi Kawamura , Hidefumi Makabe\",\"doi\":\"10.1016/j.rechem.2024.101902\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The Lewis acid mediated self-condensation of an epigallocatechin gallate derivative was examined. We found that AgOTf as a Lewis acid and diethylene glycol as a leaving group at C-4 position afforded a dimeric epigallocatechin gallate derivative in a moderate yield. The condensed product was applied to the synthesis of prodelphinidin B2 3,3′′-digallate.</div></div>\",\"PeriodicalId\":420,\"journal\":{\"name\":\"Results in Chemistry\",\"volume\":\"12 \",\"pages\":\"Article 101902\"},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2024-11-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Results in Chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2211715624005988\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Results in Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2211715624005988","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Synthesis of prodelphinidin B2 3,3′′-digallate using AgOTf-mediated self-condensation
The Lewis acid mediated self-condensation of an epigallocatechin gallate derivative was examined. We found that AgOTf as a Lewis acid and diethylene glycol as a leaving group at C-4 position afforded a dimeric epigallocatechin gallate derivative in a moderate yield. The condensed product was applied to the synthesis of prodelphinidin B2 3,3′′-digallate.
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