Zeneca Limited

Paul James Warwick, Jr

Keith Russell

Cyrus J Ohnmacht

Diane A Trainor

Frederick J Brown

James Roy Empfield

Compounds of formula I: ##STR1## wherein, ring C, A--B, R.sup.1, n, R.sup.2, and R.sup.3 have any of the meanings given in the specification, and their pharmaceutically acceptable salts are useful in the treatment of urinery incontinence. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.

Therapeutic

Compounds of formula I ##STR1## wherein X.sup.a, X.sup.b, R, R.sup.1 and R.sup.2 have any of the meanings given in the specification, and their pharmaceutically acceptable salts are useful as potassium channel openers for the treatment of urinary incontinence. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.

Methods for using benzoxazines for treating asthma

2-fluoroalkyl-1,4-benzoxaxines as potassium channel mediators

Compounds of formula I: ##STR1## wherein, ring C, A-B, R.sup.1, n, R.sup.2, and R.sup.3 have any of the meanings given in the specification, and their pharmaceutically acceptable salts are useful in the treatment of urinary incontinence. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.

Growing community of inventors

Wilmington, DE, United States of America

Paul James Warwick, Jr