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Tetrahedron Letters

By Jaime Rodriguez, Lucia Nufiez, Solange Peixinho and Carlos Jiménez

Abstract

Texto completo: acesso restrito. p.1833–1836Two new 6-hydroximino-4-en-3-one steroids: (24R, 6E)-24-ethylcholest-6-hydroximino-4-en-3-one (1) and (6E) cholest-6-hydroximino-4-en-3-one (2), accompanied by the known cholest-4-en-3-one were isolated from a mixture of two morphospecies of the sponge Cinachyrella (C. alloclada and C. apion). Use of spectroscopic methods (NMR and MS) was key to establish their structures which were confirmed by synthesis. Described in this report are the first hydroximino steroids derived from a natural source

Year: 2013
OAI identifier: oai:agregador.ibict.br.RI_UFBA:oai:192.168.11:11:ri/8360
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