Optical information recording media and bisazo compounds for use therein
    13.
    发明授权
    Optical information recording media and bisazo compounds for use therein 失效
    用于其中的光学信息记录介质和双偶氮化合物

    公开(公告)号:US5312906A

    公开(公告)日:1994-05-17

    申请号:US919593

    申请日:1992-07-24

    申请人: Masakatsu Shimoda

    发明人: Masakatsu Shimoda

    摘要: Bisazo compounds of formula (I), an intermediate for producing the bisazo compound of formula (I), and trisazo compounds of formula (II) for use in optical information recording media, and methods of producing these compounds are disclosed: ##STR1## wherein R represents hydrogen, an alkyl group having 1 to 20 carbon atoms; an aryl group selected from the group consisting of phenyl group, naphthyl group, mesityl group, and tri-t-butyl phenyl group; an alkoxyl group having 1 to 4 carbon atoms; a nitro group; a cyano group; chlorine; or bromine; n is an integer of 1, 2, or 3; and C.sub.p represents a coupler residue.

    摘要翻译: 公开了式(I)的双偶氮化合物,用于制备式(I)的双偶氮化合物的中间体和用于光学信息记录介质的式(II)的三偶氮化合物及其制备方法:< IMAGE& I)其中R表示氢,具有1至20个碳原子的烷基;(II)其中R表示氢, 选自苯基,萘基,均三甲基和三叔丁基苯基的芳基; 具有1至4个碳原子的烷氧基; 硝基; 氰基; 氯; 或溴; n是1,2或3的整数; 并且Cp表示成色剂残基。