Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing
Patent
1995-10-13
1998-01-20
Prior, Kimberly J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyclopentanohydrophenanthrene ring system containing
552559, 552560, 552561, 552562, 552563, 552564, 552565, 552566, 552567, 552570, 552571, 552572, 552573, 552574, 552575, 552577, 552580, 552581, 552592, 552593, 552594, C07J 7500
Patent
active
057102937
ABSTRACT:
The present invention relates to a method of using a perchloric acid catalyzed reaction to make acyl derivatives of norprogesterone compounds and, in particular, 16-methylene-17.alpha.-hydroxy-19-norpregn-4-ene-3,20-dione.
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Wissenschaftliche Laboratorien des VEB Jenapharm, Jena, Pharmazie 30, H.1 (1975) -U. Eberhardt -"Steroide aus Hyodesoxycholsaure".
Chem. Ber. -102, pp. 643-658 (1969) -Werner, Mehrhof, Klaus Irmscher, Rolf Erb, und Ludwig Pohl -Synthesewege zum 17.alpha.-Hydroxy-16-methylen-19-nor-progesteron und seinen Derivaten.
Tetrahedren Letters,No. 20, pp. 1925-1929 -(1967), Pergamen Press Ltd. V. Schwarz, J. Zachova and K. Syhora -"Steroid Derivatives L. (1) A Synthesis of 16-Methylene-17.alpha.-Acetoxy-19-NOR-Progesterone".
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Prior Kimberly J.
The Population Council, Center for Biomedical Research
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