Process for the preparation of 17-acyl esters of 17.alpha., 21-d

Details Process for the preparation of 17-acyl esters of 17.alpha., 21-d Process for the preparation of 17-acyl esters of 17.alpha., 21-d

1974-12-03

1976-12-21

Tanenholtz, Alvin E.

Textiles: fiber preparation

26039745, C12D 1302

Patent

active

039987019

ABSTRACT:
A process is disclosed for making 17-monoesters of 17 .alpha., 21-dihydroxy steroids by acylating a 17 .alpha., 21-dihydroxy steroid phosphate and then subjecting the intermediate 17-acyloxy-21-phosphate to dephosphorylation using an acid phosphatase to achieve enzymatic hydrolysis. Several new 17-monoesters having an anti-inflammatory property are also disclosed.

REFERENCES:
patent: 3455968 (1969-07-01), Herzog et al.
patent: 3784603 (1974-01-01), Shapiro et al.

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