FREMGANGSMAATE FOR FREMSTILLING AV 20-DIKETOPREGNENER MED EN 11 BETA-ACETALGRUPPE OG DERIVATER DERAV

摘要

ABSTRACT3,20-Diketopregnenes having in tho 110-position a groupof the formulawherein R1 is alkyl and R2 is hydrogen, alkyl, alkoxy, orhalogen, and having a cyclic 16,17-acetal or metal group,have useful anti-inflummatory activity.