申请人:BASF Aktiengesellschaft
公开号:US05463130A1
公开(公告)日:1995-10-31
A process for the preparation of peralkylated amines of the general formula I ##STR1## in which R.sup.1, R.sup.2 denote C.sub.1 -C.sub.200 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.4 -C.sub.20 alkylcycloalkyl, C.sub.4 -C.sub.20 cycloalkylalkyl, C.sub.2 -C.sub.20 alkoxyalkyl, aryl, C.sub.7 -C.sub.20 alkylaryl, C.sub.7 -C.sub.20 aralkyl, C.sub.2 -C.sub.8 hydroxyalkyl, C.sub.2 -C.sub.8 mercaptoalkyl, C.sub.8 -C.sub.20 phenoxyalkyl, C.sub.2 -C.sub.8 aminoalkyl, C.sub.2 -C.sub.8 (NHR.sup.4)alkyl, C.sub.2 -C.sub.8 (NR.sup.4 R.sup.5)alkyl or together form a saturated or unsaturated C.sub.2 -C.sub.6 alkylene chain optionally mono- to tri-substituted by C.sub.1 -C.sub.4 alkyl and optionally interrupted by oxygen or nitrogen X denotes a C.sub.2 -C.sub.20 alkylene or C.sub.2 -C.sub.20 alkenylene or C.sub.4 -C.sub.8 cycloalkylene chain optionally mono- to penta-substituted by R.sup.3, C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.8 dialkylamino, phenoxy, diphenylamino and/or C.sub.2 -C.sub.8 alkoxycarbonyl, A denotes hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.4 -C.sub.20 alkylcycloalkyl, C.sub.4 -C.sub.20 cycloalkylalkyl, C.sub.2 -C.sub.20 alkoxyalkyl, aryl, C.sub.7 -C.sub.20 alkylaryl, C.sub.7 -C.sub.20 aralkyl, C.sub.1 -C.sub.20 alkoxy, hydroxy, C.sub.1 -C.sub.20 hydroxyalkyl, amino, C.sub.1 -C.sub.20 alkylamino, C.sub.2 -C.sub.20 dialkylamino, C.sub.3 -C.sub.12 alkenyleneamino, C.sub.3 -C.sub.8 cycloalkylamino, arylamino, aryl-C.sub.1 -C.sub.12 alkylamino, halogen, mercapto, C.sub.2 -C.sub.20 alkenylenoxy, C.sub.3 -C.sub.8 cycloalkoxy and aryloxy R.sup.3 denotes CH.sub.2 --NR.sup.1 R.sup.2, R.sup.4, R.sup.5 denote C.sub.1 -C.sub.20 alkyl by the reaction of a nitrile of the general formula II A--X--CN (II), in which R.sup.1, R.sup.2, R.sup.4, R.sup.5, X and A have the aforementioned meanings and R.sup.3 stands for --CH.sub.2 --NR.sup.1 R.sup.2 or cyano, with a secondary amine of the general formula III ##STR2## and hydrogen at temperatures ranging from 50.degree. to 250.degree. C. and pressures ranging from 5 to 350 bar in the presence of a catalyst, wherein the catalyst used is palladium on an oxidic support.
制备通式I的全取代胺的一种方法,其中R1,R2表示C1-C200烷基,C3-C8环烷基,C4-C20烷基环烷基,C4-C20环烷基烷基,C2-C20烷氧烷基,芳基,C7-C20烷基芳基,C7-C20芳基烷基,C2-C8羟基烷基,C2-C8巯基烷基,C8-C20苯氧基烷基,C2-C8
氨基烷基,C2-C8(NHR4)烷基,C2-C8(NR4R5)烷基或共同形成一个饱和或不饱和的C2-C6烷基链,可选地被C1-C4烷基单-三取代,并可被氧或氮中断,X表示C2-C20烷基或C2-C20烯基或C4-C8环烷基链,可选地被R3,C1-C8烷基,C1-C8烷氧基,C1-C8二烷基
氨基,苯氧基,
二苯胺基和/或C2-C8烷氧羰基单-五取代,A表示氢,C1-C20烷基,C3-C8环烷基,C4-C20烷基环烷基,C4-C20环烷基烷基,C2-C20烷氧烷基,芳基,C7-C20烷基芳基,C7-C20芳基烷基,C1-C20烷氧基,羟基,C1-C20羟基烷基,
氨基,C1-C20烷基
氨基,C2-C20二烷基
氨基,C3-C12烯基
氨基,C3-C8环烷基
氨基,芳基
氨基,芳基-C1-C12烷基
氨基,卤素,巯基,C2-C20烯基氧基,C3-C8环烷基氧基和芳基氧基,R3表示
CH2-NR1R2或
氰基,R4,R5表示C1-C20烷基,通过将通式II的腈反应与通式III的二级胺和氢在50℃至250℃的温度和5至350巴的压力下在催化剂存在下进行,所述催化剂为负载在氧化物上的
钯。