C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/208, 260/251
C07D 513/04 (2006.01) A61K 31/425 (2006.01) A61K 31/44 (2006.01)
Patent
CA 1270249
2,3-DIHYDRO-THIAZOLO- AND THIAZINO-BENZIMIDAZOLES ABSTRACT This invention relates to processes for preparing compounds of formula Image (I) salts thereof wherein -B-B1- represents a chain of formula -(CHR5)n-CHR6- (Ia) R represents an optionally substituted aryl or heteroaryl radical, R1, R2, R3 and R4 independently represent hydrogen, or a defined substituent or any adjacent pair of R1, R2, R3 and R4 together with the carbon atoms to which they are attached complete a five or six membered saturated or unsaturated carbocyclic or heterocyclic ring, said ring being optionally substituted by a defined substituent and said heterocyclic ring having at least one heteroatom selected from oxygen, nitrogen and sulphur, R5 and R6 independently represent hydrogen or lower alkyl; n and m independently represent 0 or 1, the term "heteroaryl" means a monovalent aromatic heterocyclic group in which the ring heteroatom or atoms is/are selected from oxygen, nitrogen and sulphur; which compounds have anti-ulcer and/or anti-secretory activity. Novel compositions comprising compounds of formula I are also disclosed.
456219
John Wyeth & Brother Limited
Ridout & Maybee Llp
LandOfFree
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