Volume 20, Issue 2
Natural Products
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ChemInform Abstract: Steroids. Part 40. 15-(Hydroxymethyl)androstene and -estratriene Derivatives.

I. VINCZE

I. VINCZE

Inst. Org. Chem., Jozsef Attila Univ., H-6720 Szeged, Hung.

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C. SOMLAI

C. SOMLAI

Inst. Org. Chem., Jozsef Attila Univ., H-6720 Szeged, Hung.

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G. SCHNEIDER

G. SCHNEIDER

Inst. Org. Chem., Jozsef Attila Univ., H-6720 Szeged, Hung.

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G. DOMBI

G. DOMBI

Inst. Org. Chem., Jozsef Attila Univ., H-6720 Szeged, Hung.

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First published: January 10, 1989

Abstract

The reduction of the steroid (Ib) gives two isomers (III) and the seco derivative (IV).

ChemInform Abstract

The reduction of the steroid (Ib) gives two isomers (III) and the seco derivative (IV). After hydrolysis of the tetrahydropyranyl groups, the same compound (V) is obtained either from (IIIa) or (IIIb). Similarly, the other title compound (VII) is prepared by reduction of the estratriene derivative (VI). - The configurations of the chiral centers are determined, inter alia, by chemical reactions. In this context, a transformation of the derivative (VIII) to the compounds (X) and (XI) is described.

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