C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/357.3, 260/3
C07D 265/30 (2006.01) C07D 295/00 (2006.01) C07D 311/16 (2006.01) C07D 311/20 (2006.01) C07D 311/58 (2006.01)
Patent
CA 1095517
ABSTRACT OF THE DISCLOSURE Compounds are disclosed having the general formula: Image (I) wherein R1 is H, C1-4 alkyl, or benzyl; R2 is H or C1-4 alkyl; or Image is a 5-, 6- or 7- membered saturated heterocyclic group; R3 is H, C1-4 alkyl or C1-4 acyl; R4 is an aromatic group; R5 and R6 are each H or C1-4 alkyl; X is - CH2 or -O-; and the dotted line is a single or double bond; also their pharmaceutically acceptable salts. Methods of preparation are also disclosed.
253922
Beecham Group Limited
Borden Ladner Gervais Llp
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