{"title":"Crystal structure of fusicoccin A p-iodobenzenesulphonate","authors":"M. Brufani, S. Cerrini, W. Fedeli, A. Vaciago","doi":"10.1039/J29710002021","DOIUrl":null,"url":null,"abstract":"The crystal and molecular structure of the p-iodobenzenesulphonate of fusicoccin A (C42H59IO14S) has been determined by three-dimensional X-ray analysis. The crystals are orthorhombic, space group P212121, with Z= 4 in a unit cell of dimensions: a= 10·32, b= 12·89, c= 35·14 A. The structure was solved by the heavy-atom technique and refined to a final R of 0·116, using 1706 observed reflections.Fusicoccin A, a phytotoxic metabolite of Fusicoccum amygdali, is a glycoside in which the sugar is D-glucose acetylated at C-3′ and etherified by 1,1-dimethylallyl alcohol at C-6′, and the aglycone is a tricyclic system formed by the fusion of one eight and two five membered rings. The absolute configuration is also given.","PeriodicalId":17268,"journal":{"name":"Journal of The Chemical Society B: Physical Organic","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of The Chemical Society B: Physical Organic","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1039/J29710002021","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
The crystal and molecular structure of the p-iodobenzenesulphonate of fusicoccin A (C42H59IO14S) has been determined by three-dimensional X-ray analysis. The crystals are orthorhombic, space group P212121, with Z= 4 in a unit cell of dimensions: a= 10·32, b= 12·89, c= 35·14 A. The structure was solved by the heavy-atom technique and refined to a final R of 0·116, using 1706 observed reflections.Fusicoccin A, a phytotoxic metabolite of Fusicoccum amygdali, is a glycoside in which the sugar is D-glucose acetylated at C-3′ and etherified by 1,1-dimethylallyl alcohol at C-6′, and the aglycone is a tricyclic system formed by the fusion of one eight and two five membered rings. The absolute configuration is also given.
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