8-Alkyl and alkenyl-10-hydroxy-5H[1]benzopyranopyridine derivati

Details 8-Alkyl and alkenyl-10-hydroxy-5H[1]benzopyranopyridine derivati 8-Alkyl and alkenyl-10-hydroxy-5H[1]benzopyranopyridine derivati

1975-04-21

1976-06-08

Friedman, Stanley J.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

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

A61K 3144

Patent

active

039624480

ABSTRACT:
8-Alkyl and alkenyl-10-hydroxy-5H[1]benzopyranopyridines are prepared by dehydrogenation of the corresponding N-benzyl or N-hydrogen-8-alkyl or alkenyl-1,2,3,4-tetrahydro-5H[1]benzopyranopyridines in a high boiling solvent in the presence of a noble metal dehydrogenation catalyst. Alkyl derivatives of 5-11 carbon atoms are particularly useful. Also the O-acetyl derivatives are very useful. The compounds are central nervous system depressants and animal polyphagic agents.

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