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Triterpenos de las micromerías. IV. Identidad de los ácidos dihidromentosólico y 20-epiursólico

AuthorsBretón, José Luis; Fraga, Braulio M. ; Gutiérrez Luis, Javier; González, Antonio G.
Issue DateOct-1969
PublisherReal Sociedad Española de Física y Química
Consejo Superior de Investigaciones Científicas (España)
CitationAnales de Química 65(9-10): 825-828 (1969)
AbstractHidrogenation of micromeric acid benzoate methyl ester gives the correspondent esters of ursolic acid and 20β-epiursolic acids. The latter was identified with the dihidrotomentosolic benzoate methyl ester (m.p. [α]D, m.m.p., IR spectrum). Hence, the dihidromentosolic acid a 19β-Me, 20β-Me triterpenic acid. There was prepared also the free acid, its methyl ester and acetate methyl ester.
Description4 pages, 1 scheme.-- Published in the Sep-Oct 1969 issue of Anales.
Appears in Collections:(IPNA) Artículos
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