申请人:RICHTER GEDEON VEGYESZETI GYAR R.T.
公开号:EP0483932A1
公开(公告)日:1992-05-06
The invention relates to an improved process for the preparation of a piperazine derivative of the formula (I),
wherein R stands for a hydrogen atom or a methyl group, or a salt thereof.
According to the invention an amine compound of the formula (II)
is reacted with a compound of the formula (III),
in which R is as defined above, or with an acid addition salt thereof.
本发明涉及一种改进的制备式(I)哌嗪衍生物的方法,其中R代表氢原子或甲基基团,或其盐。根据本发明,将式(II)的胺化合物与式(III)的化合物反应,其中R如上所述,或与其酸加成盐反应。