"N-T-butyl-androst-3-5-diene-17 .beta.-carboxamide-3-carboxylic"

Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing

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C07J 300, C07J 4100

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active

058592660

ABSTRACT:
Polymorph "A" a novel polymorphic form of N-t-butyl-androst-3,5-diene-17.beta.-carboxamide-3-carboxylic acid. Novel processes for preparing polymorph "A" are also disclosed.

REFERENCES:
patent: 5017568 (1991-05-01), Holt et al.
Endocrinology vol. 130, No. 2, pp. 685-694, 1992.
J. Steroid Biochem, vol. 34, Nos 1-6, pp. 571-575, 1989.
J. Med. Chem. vol. 33, pp. 943-950, 1990.
Proc. Natl. Acad. Sci. USA, vol. 89, pp. 10787-10791, Nov. 1992.
Biochemistry, vol. 29, No. 11, pp. 2815-2824, 1990.
Bioorganic Chemistry, vol. 17, pp. 372-376, 1989.
Bioorganic Chemistry, vol. 19, pp. 245-260, 1991.

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