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Title:
NEW QUINIZARIN-BASED COMPOUND, PRODUCTION THEREOF AND VISIBLE LIGHT ABSORBER CONTAINING THE SAME
Document Type and Number:
Japanese Patent JP3238265
Kind Code:
B2
Abstract:

PURPOSE: To obtain a novel compound useful for a heat sensitive, subliming and transcribing coloring matter, being orange, red and blue, excellent in solubility and light resistance.
CONSTITUTION: The subject compound is expressed by the formula I [W, X, Y and Z are halogen, alkyl of the formula II (A is CN, NO2, etc.; B is 1-4C alkyl, 6-10C cycloalkyl, halogen, etc.; (a) is 0-3; (d) is 0-5), etc.]. For example, 6-anilino-5,7,8-trifluoroquinizarin. Here, the compound of the formula I can be obtained, e.g. by subjecting a halogen containing quinizarin-based compound of the formula III (R0 is halogen) to react with a compound of the formula IV.


Inventors:
Kaieda, Osamu
Masuda, Seiji
Tamaura, Norie
Application Number:
JP1994000007686
Publication Date:
October 05, 2001
Filing Date:
January 27, 1994
Export Citation:
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Assignee:
NIPPON SHOKUBAI CO LTD
International Classes:
C07C46/06; C07C50/34; C07C205/36; C07C229/54; C07C255/54; C07C255/58; C07C323/22; C09B1/04; C09B1/06; C09B1/08; C09B1/14; C09B1/50; C09B1/503; C09B1/514; C09B1/515; C09B1/54; C09B1/56; C09B1/60; C09K3/00; (IPC1-7): C09B1/04; C07C46/06; C07C50/34; C07C205/36; C07C229/54; C07C255/54; C07C255/58; C07C323/22; C09B1/08; C09B1/14; C09B1/503; C09B1/514; C09B1/515; C09B1/54; C09B1/60; C09K3/00
Attorney, Agent or Firm:
八田 幹雄 (外3名)