C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 405/06 (2006.01) A61K 31/41 (2006.01) C07D 521/00 (2006.01)
Patent
CA 2138392
This invention relates to heterocyclic compounds which are inhibitors of the enzyme aromatase, to processes for their pre- paration, to pharmaceutical compositions containing them and to their use in medicine. Particular compounds of the invention are compounds of formula (I) wherein R1 represents a cyano or nitro group; R2 represents hydrogen or one or more halogen atoms; R3 represents a C1-6alkyl group and R4 represents hydrogen or a C1-6alkyl group or R3 and R4 together represent a C3-6cycloalkyl group; and R5 represents hydrogen or one or more halogen atoms or C1-6alkoxy groups and pharmaceutical- ly acceptable salts and solvates thereof.
Cherry Peter C.
Foxton Michael W.
Merritt Andrew T.
Glaxo Group Limited
Riches Mckenzie & Herbert Llp
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