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Estrone derived steroidal diepoxide: Biologically active compound and precursor of a stable steroidal A,B-spiro system
(Elsevier Science Inc, New York, 2009)
A simple approach to a stable steroidal estrone derived A,B-spiro system is reported. Treatment of estrone derived A-ring diepoxyalcohol with the Ac2O-TMSOTf system at the ambient temperature led to acetylation, while at ...