James Michael Booth

US Patent:

43363750, Jun 22, 1982

Filed:

Apr 30, 1980

Appl. No.:

6/145071

Inventors:

James H. Booth - Montvale NJ
Adma S. Ross - Suffern NY

Assignee:

American Cyanamid Company - Stamford CT

International Classification:

C07D50136

US Classification:

544027

Abstract:

7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R. sub. 2 is selected from the group hydrogen, amino, C. sub. 1 to C. sub. 6 alkylamino and di-C. sub. 1 to C. sub. 6 alkylamino and R. sub. 3, R. sub. 4 and R. sub. 5 are the same or different and are selected from the group hydrogen, hydroxy, C. sub. 1 to C. sub. 6 alkyl, C. sub. 1 to C. sub. 6 alkoxy, trifluoromethyl, substituted phenyl heterocyclic aryl and R. sub. 3 and R. sub. 4 or R. sub. 4 and R. sub. 5 taken together are the moiety --CH. sub. 2 (CH. sub. 2). sub. 2 CH. sub. 2 --.

US Patent:

D3414639, Nov 16, 1993

Filed:

Mar 2, 1992

Appl. No.:

7/845435

Inventors:

James R. Booth - New York NY

Assignee:

Park B. Smith Inc. - New York NY

US Classification:

D34 42

US Patent:

D3426360, Dec 28, 1993

Filed:

Mar 2, 1992

Appl. No.:

7/844391

Inventors:

James R. Booth - New York NY

Assignee:

Park B. Smith, Inc. - New York NY

US Classification:

D 6534