申请人:BASF Aktiengesellschaft
公开号:US05117050A1
公开(公告)日:1992-05-26
Phenylene diamines of the formula ##STR1## in which R.sup.1 denotes hydrogen, formyl or oxalyl, R.sup.2 denotes hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sup.3 denotes hydrogen or C.sub.2 -C.sub.8 -alkanoyl, provided that R.sup.1 and R.sup.2 are not both hydrogen and that when R.sup.2 is methyl or ethyl, R.sup.1 and R.sup.3 are not both hydrogen, and a process for the preparation of phenylene diamines.
公式为##STR1##的苯二胺,其中R.sup.1代表氢、甲酰基或草酰基,R.sup.2代表氢或C.sub.1 -C.sub.4 -烷基,R.sup.3代表氢或C.sub.2 -C.sub.8 -烷酰基,前提是R.sup.1和R.sup.2不能同时为氢,当R.sup.2为甲基或乙基时,R.sup.1和R.sup.3不能同时为氢,以及苯二胺的制备方法。