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    • 1. 发明授权
    • Methine dyes
    • 甲基染料
    • US4102688A
    • 1978-07-25
    • US795041
    • 1977-05-09
    • Masatoshi SugiyamaHirosi SawaguchiAkio Mitsui
    • Masatoshi SugiyamaHirosi SawaguchiAkio Mitsui
    • C09B23/00C09B23/02C09B23/10G03C1/83G03C1/14G03C1/22
    • C09B23/10C09B23/02G03C1/832
    • Methine dyes represented by the following general formulae (A), (B) or (C): ##STR1## wherein R.sub.1 represents an alkyl group (which may be substituted), an aralkyl group (which may be substituted), an aryl group (which may be substituted), a 5- or 6-membered heterocyclic residue, a carboxyl group, an alkoxycarbonyl group, an aryloxycarbonyl group or an amino group (which may be substituted); R.sub.2, R.sub.3, R.sub.4 and R.sub.5, which may be the same or different, each represents an alkyl group (which may be substituted), an aralkyl group (which may be substituted), an aryl group (which may be substituted) or a 5- or 6-membered heterocyclic residue, with R.sub.2 additionally representing a hydrogen atom; Z represents an atomic group necessary to form a heterocyclic nucleus containing a 5- or 6-membered hetero ring; Y.sub.1 and Y.sub.2, which may be the same or different, each represents a hydrogen atom, an alkyl group (which may be substituted), a hydroxyl group, an alkoxy group, an amino group (which may be substituted) or a sulfo group; L, L.sub.1 and L.sub.2 each represents a methine group (which may be substituted); l, n and p each represents 1 or 2 and m represents 1, 2 or 3.
    • (A),(B)或(C)表示的甲基染料:(C)(C)其中R 1表示烷基(可以被取代) ,可以被取代的芳烷基,可以被取代的芳基,5元或6元杂环残基,羧基,烷氧基羰基,芳氧基羰基或氨基(可以是 取代); 可以相同或不同的R 2,R 3,R 4和R 5各自表示烷基(其可以被取代),芳烷基(其可以被取代),芳基(其可以被取代)或5 - 或6-元杂环残基,R2另外表示氢原子; Z表示形成含有5或6元杂环的杂环的必需原子团; Y 1和Y 2可以相同或不同,分别表示氢原子,烷基(可以被取代),羟基,烷氧基,氨基(可以被取代)或磺基; L,L1和L2各自表示次甲基(可以被取代); l,n和p各自表示1或2,m表示1,2或3。