Process for preparing 14-.alpha.-hydroxy-4-androstene-3,6,17-tri

Details Process for preparing 14-.alpha.-hydroxy-4-androstene-3,6,17-tri Process for preparing 14-.alpha.-hydroxy-4-androstene-3,6,17-tri

1990-02-06

1992-03-24

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415793, 20415794, 552615, C07C 4500

Patent

active

050985353

ABSTRACT:
A process for the preparation in high yield of 14.alpha.-hydroxy-4-androstene-3,6,17-trione which has an aromatase inhibition activity and is useful as an antitumor agent, in which the 6.beta.-hydroxyl group of 6.beta., 14.alpha.-dihydroxy-4-androstene-3,17-dione is selectively oxidized with the aid of visible light energy.

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