Title: Steroid derivatives

Abstract: The present invention is concerned with new derivatives of the cortisone series having in particular a cortisonelike action of the steroid anti-inflammatory type. The compounds of the present invention are represented by the general formula: ##STR1## in which: St is a steroid group of the pregnane, pregnene, or pregnadiene series, the ester linkage being at position 21 of the steroid group.

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Inventors: Bertelli, Aldo (Milan, IT)

Application Number: 607042
Filing Date: 1975-08-22
Publication_date: 1977-03-08
Assignee: Rorer Italiana S.p.A. (Milan, IT)
Primary Class(es): 514/179 514/180, 552/566, 552/574, 552/575, 552/588
Other Classes:
US Patent Ref:
Other Refs: 1,223,087965,935

Feb, 1971	UK
Aug, 1964	UK

Primary Examiner: Roberts, Elbert L.
Assistant Examiner:
Attorney: Young & Thompson