Novel steroids

Details Novel steroids Novel steroids

1982-01-08

1983-05-31

Roberts, Elbert L.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

424241, 424243, 26023955R, 26023955C, 2602395, 26039745, 2602395, 2603971, A01N 4500, A61K 3156

Patent

active

043860850

ABSTRACT:
Novel 19-nor steroids and 19-nor-D-homo-steroids of the formula ##STR1## wherein R.sub.1 is an organic radical of 1 to 18 carbon atoms containing at least one atom selected from the group consisting of nitrogen, phosphorous and silicon with the atom immediately adjacent to the 11-carbon atom being carbon, R.sub.2 is a hydrocarbon of 1 to 8 carbon atoms, X is selected from the group consisting of a pentagonal ring and a hexagonal ring optionally substituted and optionally containing a double bond, B and C together form a double bond or an epoxy group, the C.dbd.A group at position 3 is selected from the group consisting of C.dbd.O, ketal, ##STR2## --C.dbd.NOH, --C.dbd.NOAlK.sub.3 and .dbd.CH.sub.2, AlK.sub.1, AlK.sub.2 and AlK.sub.3 are selected from the group consisting of alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having anti-glucocorticoid activity and a process for their preparation.

REFERENCES:
patent: 4147695 (1979-04-01), Teutsch
patent: 4233296 (1980-11-01), Teutsch et al.

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