Quinizarin compound, method for production thereof, and use ther

Details Quinizarin compound, method for production thereof, and use ther Quinizarin compound, method for production thereof, and use ther

1994-09-30

1997-03-04

Wu, Shean C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Polycyclo ring system containing anthracene configured ring...

552236, 552244, 552249, 552237, C07D30794, C07D30789

Patent

active

056080913

ABSTRACT:
This invention is to provide a novel quinizarin compound which has a quinizarin structure represented by a following formula (1) having one to four of the 5, 6, 7, and 8 positions and at least either the 6 or 7 position formed of at least one member selected from the class consisting of secondary amino groups, alkylthio groups, and optionally substituted phenylthio groups, and having the remaining positions thereof formed of at least one member selected from the class consisting of hydrogen atom, halogen atoms, amino group, hydroxy group, alkoxy groups, and optionally substituted phenoxy groups, a method for the production thereof, and a dye, an electrophotographic grade color toner composition, a thermal-transfer recording sheet, an optical recording medium, an ink jet grade ink composition and a color filter severally comprising the quinizarin compound. ##STR1##

REFERENCES:
patent: 3399952 (1968-09-01), Hosoda et al.
patent: 3801606 (1974-04-01), Bien et al.
patent: 3899519 (1975-08-01), Renfrew et al.
patent: 3992421 (1976-11-01), Botros
patent: 4216146 (1980-08-01), Kitzing et al.
patent: 4615938 (1986-10-01), Hotta et al.
patent: 5168093 (1992-12-01), Takuma et al.
patent: 5300475 (1994-04-01), Takuma et al.
European Search Report, EP 94 30 7231, May 22, 1995.
Chem. Pharm Bull. 40(5) 1343-1345 (1992) Murase, et al.
Patent Abstract, JP4250466, Jan. 18, 1993, Satoshi.
Masuda, et al, "Heat-sensitive sublimation-transfer recording sheet using anthraquinone-type magenta dye", 1995.
Kaieda, et al., "Lightfast quinizarin compounds soluble in organic solvents, manufacture thereof, and visible light absorbers containing the same", 1995.

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