Benzopyran and related ltb4 antagonists

摘要

PCT No. PCT/US92/09496 Sec. 371 Date Jan. 9, 1995 Sec. 102(e) Date Jan. 9, 1995 PCT Filed Nov. 13, 1992 PCT Pub. No. WO93/15067 PCT Pub. Date Aug. 5, 1993Benzopyran and other benzo-fused leukotriene B4 antagonists have the formula I wherein R1 is a phenyl or substituted phenyl group, and A, n, R2 and R3 are as defined herein.