Buprenorphine analgesic analogues

Details Buprenorphine analgesic analogues Buprenorphine analgesic analogues

1997-05-21

1998-12-15

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D48912

Patent

active

058499156

ABSTRACT:
The object of this invention is to provide novel buprenorphine analgesic analogues represented by following formula(I) and their non-toxic pharmaceutically acceptable salts. ##STR1## wherein R.sub.1 is hydrogen atom, methyl, ethyl, cyclopropyl or cyclobutyl; and

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