申请人:BASF Aktiengesellschaft
公开号:US05053524A1
公开(公告)日:1991-10-01
3-Aminophenylpentane-1,5-diones of the formula I ##STR1## where R.sup.1 and R.sup.2 are, independently of one another, hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.4 -C.sub.8 -cycloalkyl, cyano-C.sub.2 -C.sub.4 -alkyl, hydroxy-C.sub.2 -C.sub.4 -alkyl, chloro-C.sub.2 -C.sub.4 -alkyl, phenyl-C.sub.1 -C.sub.2 -alkyl which can be substituted by chlorine, or phenyl which can be substituted by clorine or methyl, or R.sup.1 and R.sup.2 form, together with the nitrogen to which they are bonded, a heterocyclic radical which can contain further hetero atoms, R.sup.3 is hydrogen, fluorine, chlorine, C.sub.1 -C.sub.2 -alkyl or C.sub.2 -C.sub.5 -alkoxy or, if R.sup.3 is ortho to --NR.sup. R.sup.2, R.sup.3 and R.sup.2 together form C.sub.2 -C.sub.4 -alkylene, which can be substituted, or 1,2-phenylene and A is naphthyl or a radical of the formula II ##STR2## where X is hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.5 -alkyl, hydroxyl, C.sub.1 -C.sub.5 -alkoxy, phenoxy, phenyl-C.sub.1 -C.sub.2 -alkoxy, cyano or phenyl and n is 1 or 2, with the proviso that R.sup.1 and R.sup.2 are not both methyl when A is phenyl, are described.
式I的3-氨基苯基戊二酮化合物,其中R.sup.1和R.sup.2独立地表示氢、C.sub.1-C.sub.8烷基、C.sub.4-C.sub.8环烷基、氰基-C.sub.2-C.sub.4烷基、羟基-C.sub.2-C.sub.4烷基、氯基-C.sub.2-C.sub.4烷基、苯基-C.sub.1-C.sub.2烷基,该苯基可以被氯取代,或者被氯或甲基取代,或者R.sup.1和R.sup.2与它们连接的氮一起形成一个杂环基团,该杂环基团可以包含进一步的杂原子,R.sup.3表示氢、氟、氯、C.sub.1-C.sub.2烷基或C.sub.2-C.sub.5烷氧基,或者如果R.sup.3位于--NR.sup.2的邻位,则R.sup.3和R.sup.2一起形成C.sub.2-C.sub.4烷基,该烷基可以被取代,或者1,2-苯基和A表示萘基或式II的基团:其中X表示氢、氟、氯、溴、C.sub.1-C.sub.5烷基、羟基、C.sub.1-C.sub.5烷氧基、苯氧基、苯基-C.sub.1-C.sub.2烷氧基、氰基或苯基,n为1或2,但是当A为苯基时,R.sup.1和R.sup.2不能同时为甲基。