Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1992-04-29
1992-12-08
Bond, Robert T.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
540456, A61K 31395, C07D49816
Patent
active
051698510
ABSTRACT:
Reduction of the C-33 ketone of rapamycin gives the C-33 hydroxy analog of Formula I. ##STR1## The reduction product prevents cleavage of the C-31/C-32 bond due to base degradation. The Formula I compounds exhibit immunosupressant, antifungal, and antiinflammatory activities.
REFERENCES:
patent: 5118678 (1992-06-01), Kao et al.
Hughes Philip F.
Musser John H.
American Home Products Corporation
Bond Robert T.
Boswell, Jr. Robert F.
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