{"title":"Curvularin。第七部分。3,5-二羟基甲苯及其二甲醚的一些酰化反应","authors":"H. Munro, O. C. Musgrave, R. Templeton","doi":"10.1039/J39710000095","DOIUrl":null,"url":null,"abstract":"3,5-Dihydroxytoluene is acylated in the 2-position by octanoyl chloride in the presence of aluminium chloride. In polyphosphoric acid it reacts with 7-oxo-octanoic acid and with crotonic acid to give the corresponding 4-acyl derivative and 7-hydroxy-2,5-dimethylchroman-4-one respectively. Under the same conditions 3,5-dimethoxytoluene and crotonic acid give the dioxobenzodipyran (V). Tin(IV) chloride effects the acylation of 3,5-dimethoxytoluene by crotonoyl chloride in the 2-position and by benzoyl chloride in the 2- and 6-position.","PeriodicalId":17245,"journal":{"name":"Journal of The Chemical Society C: Organic","volume":"58 1","pages":"95-98"},"PeriodicalIF":0.0000,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Curvularin. Part VII. Some acylations of 3,5-dihydroxytoluene and its dimethyl ether\",\"authors\":\"H. Munro, O. C. Musgrave, R. Templeton\",\"doi\":\"10.1039/J39710000095\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"3,5-Dihydroxytoluene is acylated in the 2-position by octanoyl chloride in the presence of aluminium chloride. In polyphosphoric acid it reacts with 7-oxo-octanoic acid and with crotonic acid to give the corresponding 4-acyl derivative and 7-hydroxy-2,5-dimethylchroman-4-one respectively. Under the same conditions 3,5-dimethoxytoluene and crotonic acid give the dioxobenzodipyran (V). Tin(IV) chloride effects the acylation of 3,5-dimethoxytoluene by crotonoyl chloride in the 2-position and by benzoyl chloride in the 2- and 6-position.\",\"PeriodicalId\":17245,\"journal\":{\"name\":\"Journal of The Chemical Society C: Organic\",\"volume\":\"58 1\",\"pages\":\"95-98\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1971-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of The Chemical Society C: Organic\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1039/J39710000095\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of The Chemical Society C: Organic","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1039/J39710000095","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Curvularin. Part VII. Some acylations of 3,5-dihydroxytoluene and its dimethyl ether
3,5-Dihydroxytoluene is acylated in the 2-position by octanoyl chloride in the presence of aluminium chloride. In polyphosphoric acid it reacts with 7-oxo-octanoic acid and with crotonic acid to give the corresponding 4-acyl derivative and 7-hydroxy-2,5-dimethylchroman-4-one respectively. Under the same conditions 3,5-dimethoxytoluene and crotonic acid give the dioxobenzodipyran (V). Tin(IV) chloride effects the acylation of 3,5-dimethoxytoluene by crotonoyl chloride in the 2-position and by benzoyl chloride in the 2- and 6-position.
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