Stereoselective halogenation of the 16-hydroxymethyl-3-methoxy-13α-estra-1,3,5(10)-trien-17-ols and their solvolytic investigation
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Add time:09/24/2019 Source:sciencedirect.com
The primary hydroxy functions of 16α-hydroxymethyl-3-methoxy-13α-estra-1,3,5(10)-trien-17β-ol (3a) and 16β-hydroxymethyl-3-methoxy-13α-estra-1,3,5(10)-trien-17α-ol (4a) were stereoselectively transformed into good leaving groups. On alkaline methanolysis of the 16-halomethyl or 16-tolylsulfonyloxymethyl derivatives, a new d-seco-13α-estrone derivative was obtained in high yield.
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