17-[(Hydroxymethyl)formamido-methylene]-steroids

Details 17-[(Hydroxymethyl)formamido-methylene]-steroids 17-[(Hydroxymethyl)formamido-methylene]-steroids

1980-07-28

1984-08-07

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26023955C, 2603974, 26039745, 26039747, 2603975, C07J 300

Patent

active

044643020

ABSTRACT:
Novel 17-[(hydroxymethyl)formamido methylene]-steroids of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms optionally substituted with halogen or an oxygen or nitrogen function and alkenyl and alkynyl of 2 to 4 carbon atoms, R.sub.2 is alkyl of 1 to 4 carbon atoms and the A,B,C and D rings may contain one or more double bonds and are optionally substituted with at least one member of the group consisting of hydroxy, keto, halogen, alkyl and alkoxy of 1 to 4 carbon atoms and alkenyl and alkynyl of 2 to 4 carbon atoms and a process for their preparation which are intermediates for the preparation of the corresponding 17-hydroxyacetyl steroids.

REFERENCES:
patent: 3535312 (1970-10-01), Philippson et al.
patent: 3816480 (1974-06-01), Lenz

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