Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-11-05
1978-04-11
Jaisle, Cecilia M. S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2603452, 2603459S, 424275, 424283, C07D33504, C07D31178
Patent
active
040838528
ABSTRACT:
16-Oxa- and 16-thia-D-homo-estrogen derivatives useful as postcoital oral contraceptives which are produced by total synthesis from 1-vinyltetralin-1-ols or their thiuronium derivatives on reactions with 4-substituted tetrahydropyran- or tetrahydrothiopyran-3,5-diones, and subsequent appropriate modifications.
REFERENCES:
patent: 3288811 (1966-11-01), Krakower et al.
patent: 3362964 (1968-01-01), Baran
patent: 3398160 (1968-08-01), Martel et al.
patent: 3483226 (1969-12-01), Baran
patent: 3694819 (1966-12-01), Krakower et al.
Okada Toshihiko
Terasawa Tadao
Jaisle Cecilia M. S.
Shionogi & Co. Ltd.
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