Pharmaceutical Discovery, R4MA Building AP-10, Abbott Laboratories, Abbott Park, IL 60064-6101, USA. hing.l.sham@abbott.com
Abstract:
The HIV protease inhibitor ABT-378 (lopinavir) has a six-member cyclic urea in the P-2 position. A series of analogues in which the six-member cyclic urea is replaced by various heterocycles was synthesized and the structure-activity relationships explored.