Novel steroids

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

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Details

540110, 552591, 552550, 552551, 552552, C07J 900, C07J 100

Patent

active

049504282

ABSTRACT:
A novel process for the preparation of 20-keto-pregnanes.

REFERENCES:
patent: 4500460 (1985-02-01), DeLuca et al.
Taguchi et al, "Synthesis of 23,23-Difluoro-25-Hydroxyvitamin D.sub.3 ", Chemical Abst. vol. 102: 149614 (1985).

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