Carbamate intermediates for bronchospasmolytics

Details Carbamate intermediates for bronchospasmolytics Carbamate intermediates for bronchospasmolytics

1982-07-06

1984-05-29

Helfin, Bernard

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

Organic compounds

Carboxylic acid esters

560164, C07C12504, C07C125067

Patent

active

044516630

ABSTRACT:
New bronchospasmolytically active compounds exhibiting long duration of action and reduced undesired side effects of the structural formula ##STR1## and therapeutically acceptable salts thereof, in which formula R is selected from the group consisting of --C(CH.sub.3).sub.3, ##STR2## R.sup.1 is selected from the group consisting of H and R.sup.2, R.sup.2 represents the radical of the formula ##STR3## wherein R.sup.3 is selected from the group consisting of

REFERENCES:
patent: 3657319 (1972-04-01), Kaiser et al.
patent: 4063025 (1977-12-01), Murakami et al.
patent: 4214001 (1980-07-01), Engelhardt et al.

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