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Reaction of spirostan sapogenins with nitrous acid: 23-nitrimines as intermediates in the formation of 23-keto-spirostan sapogenins

AuthorsGonzález, Antonio G.; Freire, Raimundo ; García-Estrada, M. G.; Salazar, José A.; Suárez, Ernesto
Issue DateSep-1971
PublisherReal Sociedad Española de Física y Química
Consejo Superior de Investigaciones Científicas (España)
CitationAnales de Química 67(9-10): 903-905 (1971)
AbstractIn our study of Isoplexis sceptrum (Linn.) Steudel (1), we isolated several 23-hydroxy-spirostan sapogenins. In order to synthesize them we prepared the 23-keto derivatives of the acetates of tigogenin and diosgenin following the method described by Barton et al. (2) for the synthesis of 9(11)-dehydro-23-ketogenin acetate from the corresponding 23-desoxy compound.
Description3 pages, 1 table, 1 scheme.
Appears in Collections:(IPNA) Artículos
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