Patents Represented by Attorney Seymore G. Bekelnitzky

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  • Pyrrolidine derivatives
    Patent number: 5096890
    Abstract: Compounds of the formula ##STR1## wherein R, Y and R.sup.1 are as defined in the specification. These compounds are muscarinic receptor antagonists which are selective for smooth muscle muscarinic sites over cardiac muscarinic sites, and are useful in the treatment of diseases associated with altered motility on tone of smooth muscle, including irritable bowel syndrome, diverticular disease, urinary incontinence, oesophageal achalasia and chronic obstructive airways disease.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: March 17, 1992
    Assignee: Pfizer Inc.
    Inventors: Peter E. Cross, Alexander R. MacKenzie