Imidazopyrimidine antiallergy agent

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 487/04 (2006.01) A61K 31/505 (2006.01) C07D 513/04 (2006.01) C07D 519/00 (2006.01)

Patent

CA 2045559

(57) Abstract Antiallergy and anti-inflammatory compounds of formula (I), wherein R is phenyl or substituted phenyl; R1 and R2 are H, C1-C6 alkyl, or they are joined to complete a fused benzene ring; R3 is OH, C1-C6, alkoxy, aryl (C1-C4)alkoxy or NR4R5 wherein each or R4 and R5 is independently H or C1-C6 alkyl or they may be joined to form a ring; and Het is a 5 or 6-mem- bered aromatic heterocyclic group which may optionally be fused to a benzene or further heterocyclic ring either or which may be optionally substituted.

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