会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Carbazole compounds and process for preparing the same
    • 咔唑化合物及其制备方法
    • US4521605A
    • 1985-06-04
    • US423420
    • 1982-09-24
    • Hideo OkazakiHiroshi ImagomeSusumu SuzukaKiyoshi Sakai
    • Hideo OkazakiHiroshi ImagomeSusumu SuzukaKiyoshi Sakai
    • C07D209/88C07D209/86C09B23/00
    • C07D209/86
    • Carbazole compounds of formula (I) are disclosed, which are useful as photoconductors for electrophotography and fluorescent brightening agent in the field of paints, ##STR1## wherein R represents a C.sub.2.about.4 alkyl group, or a benzyl group; X.sup.1 represents hydrogen, a C.sub.1.about.4 alkyl group, a C.sub.1.about.4 alkoxyl group, a halogen atom, a nitro group, an amino group, a C.sub.1.about.4 alkylamino group or a benzylamino group; and n is an integer 1 or 2. A method of preparing a carbazole compound of formula (II) is also disclosed, in which a phenyl derivative of formula (III) is caused to react with an aldehyde of formula (IV), ##STR2## wherein R represents a C.sub.2.about.4 alkyl group, or a benzyl group; X.sup.2 represents hydrogen, a C.sub.1.about.4 alkyl group, a C.sub.1.about.4 alkoxyl group, a halogen atom, a nitro group; and m is an integer 0 or 1; ##STR3## wherein X.sup.2 represents the same as in the formula (II) and Y represents a triphenylphosphonium group of the formula ##STR4## wherein Z.sup..crclbar. represents a halogen ion, or Y represents a dialkylphosphonate group of the formula--PO(OR').sup.2wherein R' represents a C.sub.1.about.4 alkyl group; ##STR5## wherein R represents the same as in the formula (III).
    • 公开了式(I)的咔唑化合物,其可用作油漆领域的电子照相和荧光增白剂的光电导体,其中R表示C2差异4烷基或苄基; X1表示氢,C1差4烷基,C1差4烷氧基,卤素原子,硝基,氨基,C1-R6烷基氨基或苄氨基。 还公开了制备式(II)的咔唑化合物的方法,其中使式(III)的苯基衍生物与式(IV)的醛反应,(II)其中R表示C2差异4烷基或苄基; X2表示氢,C1-DOR4-4烷基,C1-R6烷氧基,卤原子,硝基; m为整数0或1; (III)其中X2表示与式(II)中相同的基团,Y表示式(III)的三苯基鏻基团,其中Z( - )表示卤素离子,或Y表示下式的二烷基膦酸酯基 - PO(OR')2其中R'代表C1差异4烷基; (IV)其中R表示与式(III)中相同的基团。