| abstract |
The instant invention provides compounds of Formula (Ia) which are leukotriene biosynthesis inhibitors, wherein X is O or S, Y is O, S, -NR6-CHR7- or -NR8-C(O)- and A is selected from 5-membered aromatic heterocyclic ring, 6-membered aromatic heterocyclic ring, naphthelenic or heterobicyclic aromatic ring system, phenyl and benzyl. A is optionally mono- or disubstituted. Compounds of Formula (Ia) are useful as anti-atherosclerotic, anti-asthmatic, anti-allergic, anti-inflammatory and cytoprotective agents. |