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.
申请公布号
WO9964391(A1)
申请公布日期
1999.12.16
申请号
WO1999SE01032
申请日期
1999.06.10
申请人
ASTRA AKTIEBOLAG;FRANSSON, PATRIC;SJOEGREN, MAGNUS