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Transformed steroids (1993)

Turuta, A. M. ; Dzhlantiashvili, N. V. ; Voishvillo, N. E.

Springer

Russian chemical bulletin 42 (1993), S. 946-949

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ISSN: 1573-9171

Keywords: dehydration ; phenylsulfinyl chloride ; sulfinic esters ; Δ9-pregnanes ; 9α-hydroxypregnanes

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract The approaches to the synthesis of various 16α,17α-disubstituted pregna-4,9-dien-3,20-diones from the corresponding 9α-derivatives with labile epoxide, dioxolane, and oxathiolane ringsD′ have been studied. The transformation has been found to proceed efficiently when the 9α-sulfinic esters are used at the intermediate stage and then elimination of sulfinic acid by TsOH/SiO2 is carried out.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00698968

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