{"title":"四乙酸紫癜没食子素与多种亲二酚反应的研究","authors":"Salima Dib, B. Mostefa-Kara, D. Villemin, N. Bar","doi":"10.3390/ecsoc-25-11707","DOIUrl":null,"url":null,"abstract":": Purpurogallin or (6 E ,8 Z )-2,3,4,6-tetrahydroxy-5H-benzo[7]annulen-5-one is a benzotropo-lone possessing a dienic system and is known to inhibit TLR1/TLR2 activation pathway. We have recently described the easy green synthesis of purpurogallin from pyrogallol catalyzed by a copper complex or by vegetable oxidases. The purpurogalline was acetylated and the tetraacetate derivative thus obtained was engaged in a Diels Alder reaction with various dienophiles (benzoquinone, maleic anhydride, ethylmaleimide, phenylmaleimide, etc.). The results obtained will be presented and discussed.","PeriodicalId":11441,"journal":{"name":"ECSOC-25","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Study of Diels–Alder Reactions of Purpurogallin Tetraacetate with Various Dienophiles\",\"authors\":\"Salima Dib, B. Mostefa-Kara, D. Villemin, N. Bar\",\"doi\":\"10.3390/ecsoc-25-11707\",\"DOIUrl\":null,\"url\":null,\"abstract\":\": Purpurogallin or (6 E ,8 Z )-2,3,4,6-tetrahydroxy-5H-benzo[7]annulen-5-one is a benzotropo-lone possessing a dienic system and is known to inhibit TLR1/TLR2 activation pathway. We have recently described the easy green synthesis of purpurogallin from pyrogallol catalyzed by a copper complex or by vegetable oxidases. The purpurogalline was acetylated and the tetraacetate derivative thus obtained was engaged in a Diels Alder reaction with various dienophiles (benzoquinone, maleic anhydride, ethylmaleimide, phenylmaleimide, etc.). The results obtained will be presented and discussed.\",\"PeriodicalId\":11441,\"journal\":{\"name\":\"ECSOC-25\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-11-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ECSOC-25\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3390/ecsoc-25-11707\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ECSOC-25","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3390/ecsoc-25-11707","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Study of Diels–Alder Reactions of Purpurogallin Tetraacetate with Various Dienophiles
: Purpurogallin or (6 E ,8 Z )-2,3,4,6-tetrahydroxy-5H-benzo[7]annulen-5-one is a benzotropo-lone possessing a dienic system and is known to inhibit TLR1/TLR2 activation pathway. We have recently described the easy green synthesis of purpurogallin from pyrogallol catalyzed by a copper complex or by vegetable oxidases. The purpurogalline was acetylated and the tetraacetate derivative thus obtained was engaged in a Diels Alder reaction with various dienophiles (benzoquinone, maleic anhydride, ethylmaleimide, phenylmaleimide, etc.). The results obtained will be presented and discussed.
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