Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 2511 - 2515 (1991)
Update date:2022-08-04
Topics:
Dzhafarov, M. Kh.
Lindeman, S. V.
Struchkov, Yu. T.
Karamyan, S. Kh.
Ananchenko, S. N.
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.
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