发明名称 |
1-HYDROXY-2,3-DICYANONAPHTHALENE AND PRODUCTION THEREOF |
摘要 |
NEW MATERIAL:1-Hydroxy-2,3-dicyanonaphthalene of formula I. USE:Intermediate for naphthalocyanine-type or condensed polycyclic coloring material. PREPARATION:The compound of formula I can be produced by reacting a compound of formula II (R is alkyl; R' is aryl) with fumaronitrile in a solvent (e.g., ethylene glycol dimethyl ether or dimethyl-formamide) in the presence of a base (e.g., NaH or sodium methoxide) at -78 to +150 deg.C for 1-15hr. |
申请公布号 |
JPH0240350(A) |
申请公布日期 |
1990.02.09 |
申请号 |
JP19880189660 |
申请日期 |
1988.07.30 |
申请人 |
MITSUI TOATSU CHEM INC;YAMAMOTO CHEM INC |
发明人 |
ENOMOTO TSUYOSHI;ITO NAOTO;OGUCHI TAKAHISA;NISHIZAWA ISAO |
分类号 |
B01J31/02;B01J31/12;C07B61/00;C07C253/30;C07C255/53;C09B47/18 |
主分类号 |
B01J31/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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