C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/492.3
C07C 323/45 (2006.01) C07C 323/44 (2006.01) C07D 233/54 (2006.01)
Patent
CA 1305718
67616-130 ALPHA-ACYLOXYKETONE DERIVATIVES Abstract of the Disclosure Disclosed are alpha-acyloxyketone derivatives of the formula: Image (I) (wherein R1 is a lower aliphatic acyl group and R2 is a lower alkyl group) whiah are useful as intermediates for production of N-cyano-N'-methyl-N''-[2-{(5-methyl-1H-imidazol-4-yl)-methylthio} ethyl] guanidine (common name: Cimetidine), and Cimetidine- related compounds which have an action of controlling secretion of gastric acid and are useful as a drug for treating gastric ulcer.
555368
Imuta Junichi
Kato Koji
Kihara Noriaki
Tan Hiroaki
Mitsui Chemicals Incorporated
Smart & Biggar
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