Process for preparing 1-phenyl-3-aminopyrazoles
    1.
    发明授权
    Process for preparing 1-phenyl-3-aminopyrazoles 失效
    1-苯基-3-氨基吡唑的制备方法

    公开(公告)号:US4149005A

    公开(公告)日:1979-04-10

    申请号:US809849

    申请日:1977-06-24

    摘要: 1-PHENYL-3-AMINO-2-PYRAZOLINES ARE CATALYTICALLY OXIDIZED TO 1-PHENYL-3-AMINOPYRAZOLES, USING OXYGEN AND/OR AIR AS THE OXIDIZING AGENT AND IN THE PRESENCE OF COPPER SALTS, OPTIONALLY ASSOCIATED WITH METALLIC COPPER AND/OR AN AROMATIC, HETEROCYCLIC ORGANIC BASE SELECTED FROM N-dialkyl anilines, pyridines, piperidine, and ethanolamine, or equivalents thereof, in an inert reaction medium and at a temperature of from about 20.degree. C. to about 40.degree. C.

    摘要翻译: 1-苯基-3-氨基-2-吡咯烷酮催化氧化为1-苯基-3-氨基吡唑,使用氧化物和/或空气作为氧化剂和铜盐存在下,与金属铜和/或AN相关的铜 在惰性反应介质中和在约20℃至约40℃的温度下从N-二烷基苯胺,吡啶,哌啶和乙醇胺或其等同物中选择的芳族,杂环有机基团。

    Cumarinic pigments
    4.
    发明授权
    Cumarinic pigments 失效
    香豆素颜料

    公开(公告)号:US4252566A

    公开(公告)日:1981-02-24

    申请号:US111200

    申请日:1980-01-11

    摘要: The present invention concerns a new class of pigments derived from cumarin and, more particularly, of bis-iminocumarinic and bis-cumarinic pigments having the following formula I described hereinlater. The present invention also includes novel processes for making the cumarinic pigments of the invention. Also, the invention relates to the use of the novel pigments of the invention for the preparation of paints, storing enamels, inks and pastes for the printing of fabrics. Also, included in this invention is the dyeing of plastic materials with the novel cumarinic pigments.

    摘要翻译: 本发明涉及一类新的衍生自香豆素的颜料,更具体地说是涉及以下所述的具有下列通式I的双亚氨基香草醛和双香豆素颜料。 本发明还包括制备本发明的上述染料的新方法。 此外,本发明涉及本发明的新型颜料用于制备油漆,储存用于织物印刷的搪瓷,油墨和糊剂的用途。 此外,本发明还包括用新颖的上色素染色塑料材料。