Bromine or chlorine containing quinophthalone pigment
Abstract
Abstract A PIGMENT HAVING THE FORMULA: 2-(1,3-DI(O=),(Y)N-2,3-DIHYDRO-1H-BENZ(F)INDEN-2-YL),4-X, Z1,Z2-QUINOLIN-3-OL WHEREIN X REPRESENTS HYDROGEN OR HALOGEN, Y REPRESENTS HALOGEN, Z1 REPRESENTS HYDROGEN, HALOGEN, LOWER ALKYL OR LOWER ALKOXY, Z2 REPRESENTS HYDROGEN OR HALOGEN, AND N REPRESENTS AN INTEGER OF 1-4, CAN BE PREPARED BY REACTING A QUINOLINE DERIVATIVE HAVING THE FORMULA: 2-CH3,4-R-QUINOLIN-3-OL WHEREIN R REPRESENTS HYDROGEN, CARBOXYL OR HALOGEN, AND WHEREIN THE BENZENE RING A MAY BE SUBSTITUTED WITH HALOGEN, LOWER ALKYL, OR LOWER ALKOXY WITH A HALOGENATED NAPHTHALENE-2,3-DICARBOXYLIC ACID HAVING THE FORMULA: 2,3-DI(HOOC-),(Y)N-NAPHTHALENE WHEREIN Y REPRESENTS HALOGEN, AND N REPRESENTS AN INTEGER OF 1-4; OR THE CORRESPONDING ANHYDRIDES OR IMIDES THEREOF; IN ONE EMBODIMENT, THE PRODUCT IS FURTHER HALOGENATED.
Inventors
- 👤 K Konishi
- 👤 T Kitao
- 👤 M Matsuoka
- 👤 H Shiozaki
Bibliographic Details
Claims Analysis
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