C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/314
C07D 233/64 (2006.01) C07D 233/54 (2006.01)
Patent
CA 1335998
A process for the purification of N-cyano-N'- methyl-N"-[2-{(5-methyl-1H-imidazol-4-yl)methylthio}- ethyl]guanidine, which comprises bringing a crude product of N-cyano-N'-methyl-N"-[2-{(5-methyl-1H-imidazol-4-yl)- methylthio}ethyl]guanidine into contact with activated carbon in water in the presence of an organic acid.
581960
Imuta Junichi
Ishitoku Takeshi
Kihara Noriaki
Mitsui Chemicals Incorporated
Smart & Biggar
LandOfFree
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