申请人:Ciba-Geigy Corporation
公开号:US03932505A1
公开(公告)日:1976-01-13
A compound having the general formula ##SPC1## In which R.sup.1 , R.sup.2, R.sup.3 and R.sup.4 may be the same or different and represent hydrogen, a straight or branched chain alkyl radical having 1 to 20 carbon atoms, an aralkyl radical having 7 to 20 carbon atoms which may be substituted by one or more alkyl groups having 1 to 4 carbon atoms, or may be of the type: ##SPC2## Wherein R.sup.5 and R.sup.6 are each a hydrogen atom or a methyl group, and each R represents the others of R.sup.1, R.sup.2, R.sup.3 and R.sup.4, an alkenyl radical having 2 to 20 carbon atoms; a cycloalkyl radical having 5 to 12 carbon atoms which may be substituted by one or more alkyl groups having 1 to 4 carbon atoms; an aryl radical having 6 to 10 carbon atoms; an alkaryl radical having 7 to 12 carbon atoms; a cyclohexyl alkyl radical in which the alkyl moiety has 2 or 3 carbon atoms and the cyclohexenyl ring may contain a methyl group as substituent; an alkenyl cyclohexyl radical in which the alkenyl moiety has 2 or 3 carbon atoms and the cyclohexyl ring may also contain a methyl group as substituent; or a group -OR.sup.7 wherein R.sup.7 represents an alkyl radical having 1 to 20 carbon atoms, a cycloalkyl radical having 5 to 12 carbon atoms, optionally substituted by one or more alkyl groups having 1 to 4 carbon atoms, an aryl radical having 6 to 10 carbon atoms or an alkenyl radical having 3 to 20 carbon atoms; or any two adjacent radicals R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may be joined together to form an aryl ring which may be substituted by one or more alkyl groups having 1 to 20 carbon atoms; X represents an anion; and n is the valency of X, is useful for the extraction of metals from aqueous solutions.
具有一般式##SPC1##的化合物,其中R.sup.1,R.sup.2,R.sup.3和R.sup.4可以相同也可以不同,并且代表氢,具有1至20个碳原子的直链或支链烷基基团,具有7至20个碳原子的芳基烷基基团,可以被具有1至4个碳原子的一个或多个烷基基团取代,或者可以是以下类型:##SPC2##其中R.sup.5和R.sup.6分别是氢原子或甲基基团,每个R代表R.sup.1,R.sup.2,R.sup.3和R.sup.4的其他部分,具有2至20个碳原子的烯基基团;具有5至12个碳原子的环烷基基团,可以被具有1至4个碳原子的一个或多个烷基基团取代;具有6至10个碳原子的芳基基团;具有7至12个碳原子的烷基芳基基团;其中烷基部分具有2或3个碳原子,环己烯基环可能含有一个甲基基团作为取代基的环己基烷基基团;其中烯基部分具有2或3个碳原子,环己基环也可能含有一个甲基基团作为取代基的烯基环烷基基团;或者一个基团-OR.sup.7,其中R.sup.7代表具有1至20个碳原子的烷基基团,具有5至12个碳原子的环烷基基团,可以选择地被具有1至4个碳原子的一个或多个烷基基团取代,具有6至10个碳原子的芳基基团或具有3至20个碳原子的烯基基团;或者任意两个相邻的基团R.sup.1,R.sup.2,R.sup.3和R.sup.4可以连接在一起形成一个芳基环,该环可以被具有1至20个碳原子的一个或多个烷基基团取代;X代表阴离子;n是X的化合价,用于从水溶液中提取金属。