Steroids p. 309 - 320 (1983)
Update date:2022-08-03
Topics:
Wan, A. S. C.
Ngiam, T. L.
Leung, S. L.
Go, M. L.
Heng, P. W. S.
et al.
The synthesis of esters of norethisterone (17α-ethynyl-17β-hydroxyestr-4-en-3-one) with acids containing a benzene ring is described, two methods of esterification being compared in terms of yield and convenience.The activities of these esters as long-acting contraceptive agents have been evaluated.
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