ISOMERIZATION OF 14-HYDROXY-17-KETOSTEROIDS: NEW EXAMPLES OF TWO-CENTERED INVERSION OF THE C/D RING FUSION AND X-RAY DIFFRACTION STRUCTURAL ANALYSIS OF d,l-3-METHOXY-14β-HYDROXY-8β,9α-ESTRA-1,3,5(10)-TRIEN-17-ONE

DOI: 10.1007/BF00959735

Source and publish data:

Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 2511 - 2515 (1991)

Update date:2022-08-04

Topics:

Authors:

Dzhafarov, M. Kh.

Lindeman, S. V.

Struchkov, Yu. T.

Karamyan, S. Kh.

Ananchenko, S. N.

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Article abstract of DOI:10.1007/BF00959735

d,l-3-Methoxy-14β-hydroxy-8α,9β-estra-1,3,5(10)-trien-17-one (I) undergoes two-centered isomerization in alkaline medium to d,l-3-methoxy-14β-hydroxy-8β,9α-estra-1,3,5(10)-trien-17-one (II) in 70percent yield.Under unalogous conditions, natural isomer (II) is converted into synthetic isomer (I) in 20percent yield.The crystalline and molecular structure of isomer (II) was established.

Full text of DOI:10.1007/BF00959735

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