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    • 5. 发明授权
    • Fluorescent whitening agents
    • 荧光增白剂
    • US5656760A
    • 1997-08-12
    • US530975
    • 1995-09-20
    • Jean-Pierre BacherClaude EckhardtDieter Reinehr
    • Jean-Pierre BacherClaude EckhardtDieter Reinehr
    • C07D251/52C07D251/68C07D251/70C11D3/395D06L3/12D06M13/07C07D251/48C07D251/54C07D403/02
    • D06L3/1214C07D251/68D06L3/1257D06M13/07D06M2101/06
    • The present invention provides a compound having the formula: ##STR1## in which M is hydrogen, sodium, potassium, calcium, magnesium, ammonium, mono-, di-, tri- or tetra-C.sub.1 -C.sub.4 alkylammonium, mono-, di- or tri-C.sub.1 -C.sub.4 hydroxyalkylammonium or ammonium that is di- or tri-substituted by a mixture of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 hydroxyalkyl groups; R.sub.1 is a group having the formula: ##STR2## in which M has its previous significance and n is 1 or 2; and R.sub.2 is O--C.sub.1 -C.sub.12 alkyl or N(R.sub.3)(R.sub.4) in which R.sub.3 and R.sub.4, independently, are hydrogen, C.sub.1 -C.sub.12 alkyl or C.sub.1 -C.sub.4 hydroxyalkyl, or R.sub.3 and R.sub.4, together with the nitrogen atom, are the atoms required to form a pyrrolidine, piperidine or morpholine group.The compounds of formula (1) are particularly useful as fluorescent whitening agents for cotton in discontinuous processes, in the course of which an acidic treatment, especially a finishing treatment using a polymer resin, occurs.
    • 本发明提供具有下式的化合物:其中M是氢,钠,钾,钙,镁,铵,一,二,三或四-C 1 -C 4烷基铵, 被C1-C4烷基和C1-C4羟烷基的混合物二或三取代的单,二或三-C 1 -C 4羟烷基铵或铵; R1是具有下式的组:其中M具有其先前的含义,n是1或2; 并且R 2为O-C 1 -C 12烷基或N(R 3)(R 4),其中R 3和R 4独立地为氢,C 1 -C 12烷基或C 1 -C 4羟烷基,或者R 3和R 4与氮原子一起为所需原子 以形成吡咯烷,哌啶或吗啉基团。 式(1)的化合物特别可用作不连续工艺中用于棉花的荧光增白剂,其中酸性处理,特别是使用聚合物树脂的整理处理发生。
    • 6. 发明授权
    • Pyrazoline compounds
    • 吡唑啉化合物
    • US5308545A
    • 1994-05-03
    • US983343
    • 1992-11-30
    • Hans R. Meyer
    • Hans R. Meyer
    • C07D231/06D06L3/12C09K11/06
    • C07D231/06D06L3/1257
    • The invention relates to pyrazoline compounds of formula ##STR1## wherein R.sub.1 is hydrogen or methyl, R.sub.2 and R.sub.3 are each independently of the other methyl, ethyl or hydroxyethyl, R.sub.4 is hydrogen or chlorine, R.sub.5 and R.sub.6 are each independently of the other hydrogen or methyl, R.sub.7 is hydrogen, methyl or phenyl, n is 0 or 1, with the proviso that, if n is 0 and R.sub.4 to R.sub.7 are hydrogen, R.sub.2 is methyl and R.sub.3 is hydroxyethyl, and X.sup..crclbar. is a C.sub.1 -C.sub.3 alkanoate, C.sub.1 -C.sub.4 alkanephosphonate, C.sub.1 -C.sub.4 alkanesulfonate, phosphite, sulfamate or glycolate anion and, if R.sub.1 is methyl, X.sup..crclbar. is also a methosulfate, chloride or bromide ion, to the preparation of said compounds, to the use thereof as fluorescent whitening agents, and to novel hydrazine intermediates of formula ##STR2## wherein R.sub.2 and R.sub.3 are methyl, ethyl or hydroxyethyl, and the acetone hydrazones and salts thereof.
    • 本发明涉及式Ia的吡唑啉化合物,其中R 1是氢或甲基,R 2和R 3各自独立地是另一个甲基,乙基或羟乙基,R 4是氢或氯,R 5和R 6各自独立地是 其他氢或甲基,R7为氢,甲基或苯基,n为0或1,条件是如果n为0,R4至R7为氢,R2为甲基,R3为羟乙基,X( - )为 C1-C3链烷酸酯,C1-C4烷基膦酸酯,C1-C4烷基磺酸酯,亚磷酸酯,氨基磺酸酯或乙醇酸根阴离子,如果R1是甲基,则X( - )也是所述化合物的制备方法中的硫酸氢盐,氯化物或溴离子 作为荧光增白剂,以及具有式“IMAGE”的新型肼中间体,其中R 2和R 3为甲基,乙基或羟乙基,以及丙酮腙及其盐。