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Title

Stereoselective opening of ring E in furostan sapogenins. An efficient route to 16,22R,26-hydroxy steroids

AuthorsGonzález, Antonio G.; Freire, Raimundo CSIC; Francisco, Cosme G. CSIC; Salazar, José A.; Hernández, Rosendo CSIC; Suárez, Ernesto CSIC ORCID
Issue Date1974
PublisherElsevier
CitationTetrahedron Letters 15(49-50): 4289-4292 (1974)
AbstractThe growing importance of side chain hydroxylated steroids as biogenetic precursors and biologically active substances (e.g. acdysones, antheridiol, steroid alkaloids, intermediate products in the mode of action of vitamin D) encouraged us to search a route to such compounds starting from 26-hydroxy-furostan sapogenins, which may be prepared in a simple reaction from the corresponding readily available spirostan compounds. The present communication reports the stereoselective opening of ring E in furostan sapogenins which leads to substances that are of use for the aforesaid synthesis.
Description4 pages, 1 scheme.-- Part XXVI in the series “New Sources of Steroid Sapogenins”. For Part XXV see A.G. González, C.G. Francisco, R. Freire, R. Hernández, J.A. Salazar and E. Suárez, Tetrahedron Letters 2681 (1974).
Publisher version (URL)http://dx.doi.org/10.1016/S0040-4039(01)92144-6
URIhttp://hdl.handle.net/10261/15185
DOI10.1016/S0040-4039(01)92144-6
ISSN0040-4039
Appears in Collections:(IPNA) Artículos

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