Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing
Patent
1991-09-18
1992-12-29
Cintins, Marianne M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyclopentanohydrophenanthrene ring system containing
C07J 900
Patent
active
051753200
ABSTRACT:
Compounds of general formula I ##STR1## wherein R.sub.1 is hydrogen or hydroxy, and the hydroxy group at the 7-position can be either in .alpha. or .beta. configuration, are valuable in human therapy. Compounds I can be prepared by fluorination of the suitably protected 6.alpha.-hydroxy-7-keto-derivatives.
REFERENCES:
patent: 5061701 (1991-10-01), Pellicciari et al.
Frigerio Giuliano
Pellicciari Roberto
Roda Aldo
Cintins Marianne M.
Giuliani S.p.A.
Kestler Kimberly J.
Schneider Walter H.
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