15909-06-5Relevant articles and documents
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
Dzhafarov, M. Kh.,Lindeman, S. V.,Struchkov, Yu. T.,Karamyan, S. Kh.,Ananchenko, S. N.
, p. 2511 - 2515 (2007/10/02)
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.