Patent number: 6204293
Abstract: Compounds having the formula
or a pharmaceutically acceptable salt thereof wherein R1 is (a) hydrogen, (b) loweralkyl, (c) alkenyl, (d) alkoxy, (e) thioalkoxy, (f) halo, (g) haloalkyl, (h) aryl-L2—, and (i) heterocyclic-L2—; R2 is selected from
(b) —C(O)NH—CH(R14)—C(O)OR15,
(d) —C(O)NH—CH(R14)—C(O)NHSO2R16, (e) —C(O)NH—CH(R14)-tetrazolyl, (f) —C(O)NH-heterocyclic, and (g) —C(O)NH—CH(R14)—C(O)NR17R18; R3 is heterocyclic, aryl, substituted or unsubstituted cycloalkyl; R4 is hydrogen, lower alkyl, haloalkyl, halogen, aryl, arylakyl, heterocyclic, or (heterocyclic)alkyl; L1 is absent or is selected from (a) —L4—N(R5)—L5—, (b) —L4—O—L5—, (c) —L4—S(O)n—L5— (d) —L4—L6—C(W)—N(R5)—L5—, (e) —L4—L6—S(O)m—N(R5)—L5 —, (f) —L4—N(R5)&m
Type:
Grant
Filed:
May 7, 1998
Date of Patent:
March 20, 2001
Assignee:
University of Pittsburgh
Inventors:
Said M. Sebti, Andrew D. Hamilton, David J. Augeri, Kenneth J. Barr, Stephen A. Fakhoury, David A. Janowick, Douglas M. Kalvin, Stephen J. O'Connor, Saul H. Rosenberg, Wang Shen, Rolf E. Swenson, Bryan K. Sorensen, Gerard M. Sullivan, Andrew S. Tasker, James T. Wasicak, Lissa T. J. Nelson, Kenneth J. Henry, Le Wang, Gang Liu, Indrani W. Gunawardana