Non-aromatic oxygenated strong acid dehydration of 9.alpha.-hydr

Details Non-aromatic oxygenated strong acid dehydration of 9.alpha.-hydr Non-aromatic oxygenated strong acid dehydration of 9.alpha.-hydr

1988-04-14

1990-10-02

Lipovsky, Joseph A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Cyclopentanohydrophenanthrene ring system containing

C07J 100

Patent

active

RE0333646

ABSTRACT:
The present invention discloses a process for the production of androsta-4,9(11)-diene-3,17-dione type compounds from 9.alpha.-hydroxyandrostenedione type compounds by non-aromatic oxygenated strong acid dehydration.

REFERENCES:
patent: 4029648 (1977-06-01), Ponsold et al.

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