申请人:Ciba-Geigy Corporation
公开号:US04904794A1
公开(公告)日:1990-02-27
New pyrazoline compounds of the formula ##STR1## in which X is 1,4-phenylene, ##STR2## if n is 1 or if R.sub.7 or R.sub.8 contains an SO.sub.3 M Radical, also a methylene or --CH.sub.2 CH(OH)--CH.sub.2 O-- group or an unbranched C.sub.1 -C.sub.4 alkyleneoxy group, a direct bond or oxygen, R.sub.1, R.sub.2 and R.sub.3 independently of one another are hydrogen, chlorine or C.sub.1 -C.sub.4 alkyl, R.sub.7 is C.sub.1 -C.sub.4 alkyl, chlorophenyl, hydrogen, phenyl or --C.sub.6 H.sub.4 --SO.sub.3 M, R.sub.8 is H, C.sub.1 -C.sub.4 alkyl, --CH.sub.2 SO.sub.3 M, carboxyl, C.sub.2 -C.sub.5 carboalkoxy, carbamoyl or carboxymethyl, R.sub.9 is H, chlorine or C.sub.1 -C.sub.4 alkyl, Ar is a phenyl radical which is unsubstituted or substituted by non-chromophores or, if X is a direct bond, also a naphthalene radical, M is hydrogen or one equivalent of a non-chromophoric cation and m and n are the number nought or 1, which can be used as fluroescent brighteners for synthetic and natural fibres, especially for polyamide. A process for the preparation of these compounds, their use as fluorescent brighteners and agents containing the compounds for the fluorescent brightening of fibres and lacquers composed of acetylcellulose, wool and especially polyamide, and also novel hydrazines as an intermediate in the preparation of the compounds.
新的吡唑啉化合物的化学式为##STR1##其中X为1,4-苯基,##STR2##如果n为1或者如果R.sub.7或R.sub.8含有SO.sub.3 M基团,也可以是一个亚甲基或--CH.sub.2 CH(OH)--CH.sub.2 O--基团或者是一个直链的C.sub.1 -C.sub.4烷氧基团,一个直接键或氧原子,R.sub.1、R.sub.2和R.sub.3分别独立地是氢、氯或C.sub.1 -C.sub.4烷基,R.sub.7是C.sub.1 -C.sub.4烷基、氯苯基、氢、苯基或--C.sub.6 H.sub.4 --SO.sub.3 M,R.sub.8是H、C.sub.1 -C.sub.4烷基、--CH.sub.2 SO.sub.3 M、羧基、C.sub.2 -C.sub.5羰基氧基、氨基或羧甲基,R.sub.9是H、氯或C.sub.1 -C.sub.4烷基,Ar是一个苯基基团,未取代或者被非色团取代,或者如果X是一个直接键,也可以是一个萘基团,M是氢或非色团阳离子的一个当量,m和n是0或1的数字,可用作合成和天然纤维的荧光增白剂,特别适用于聚酰胺。一种制备这些化合物的方法,它们作为荧光增白剂的用途以及含有这些化合物的用于增白纤维和丙烯酸酯纤维、羊毛和特别是聚酰胺的清漆的荧光增白剂的剂的使用,还有作为制备这些化合物的中间体的新型肼。