XANTHENE COMPOUND AND COLORING COMPOSITION

• Main Authors: MORITA RYOTARO, SUZUKI SAORI, MITSUFUJI AKIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 05.04.2018
• Subjects: ADHESIVES; CHEMISTRY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DYES; FREQUENCY-CHANGING; LAKES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PHYSICS; POLISHES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

PROBLEM TO BE SOLVED: To provide a xanthene compound having excellent fastness such as heat resistance, and a coloring composition thereof.SOLUTION: A xanthene compound is represented by formula (1) (Rand Rare H, a C1-10 alkyl group or a C6-10 monovalent aromatic hydrocarbon group; one of Jand Jis an alkylene group substituted with a carboxylic acid metal salt and the like, and the other is a C1-10 alkyl group optionally substituted with H, a halogen atom, an alkoxy group or a cyano group).SELECTED DRAWING: None 【課題】耐熱性などの堅牢性に優れたキサンテン化合物及びその着色組成物の提供。【解決手段】式（１）で表されるキサンテン化合物。（Ｒ１及びＲ２はＨ、Ｃ１−１０のアルキル基又はＣ６−１０の一価の芳香族炭化水素基；Ｊ１及びＪ２は、一方がカルボン酸金属塩等で置換されたアルキレン基、他方がＨ、ハロゲン原子、アルコキシ基或いはシアノ基で置換／無置換のＣ１−１０のアルキル基）【選択図】なし