C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 255/58 (2006.01) C07C 253/30 (2006.01) C07C 309/04 (2006.01) C07C 309/30 (2006.01)
Patent
CA 2333275
There is provided lower alkanesulphonate salts of cyanobenzylamines, which salts may be produced via a selective recrystallisation process. The salts may be produced advantageously following the selective hydrogenation of a dicyanobenzene to a cyanobenzylamine in the presence of a C3-5 alkyl alcohol.
L'invention concerne des sels d'alcane-sulfonates de cyanobenzylamines pouvant être obtenus via un processus de recristallisation sélective. Les sels peuvent être produits avantageusement à la suite de l'hydrogénation sélective d'un dicyanobenzène en une cyanobenzylamine, en présence d'un alkyl-alcool en C3-5.
Fransson Patric
Sjogren Magnus
Astrazeneca Ab
Fetherstonhaugh & Co.
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