Antiparkinson ergoline derivatives

Details Antiparkinson ergoline derivatives Antiparkinson ergoline derivatives

1988-11-18

1989-07-11

Friedman, Stanley J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

A61U 3150, A61U 31495

Patent

active

048472530

ABSTRACT:
Compounds of the formula I ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group, either R.sub.2 and R.sub.3 represent hydrogen atoms or together represent a chemical bond, R.sub.4 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, R.sub.5 represents a C.sub.1 -C.sub.4 alkyl group or an allyl group and R.sub.6 represents a hydrogen or halogen atom, and pharmaceutically acceptable salts thereof, are disclosed as being useful for the treatment of extrapyramidal syndromes such as Parkinson's disease.

REFERENCES:
patent: 4728649 (1988-03-01), Mantegani et al.

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