INDOLIUM COMPOUND AND OPTICAL RECORDING MATERIAL USING THE COMPOUND

• Main Authors: YANO, TORU, AOYAMA, YOHEI
• Format: Patent
• Language: English; French; German
• Published: 22.05.2013
• Subjects: ADHESIVES; CHEMISTRY; COLOUR PRINTING; DYES; HETEROCYCLIC COMPOUNDS; INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; LAKES; LINING MACHINES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC CHEMISTRY; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PERFORMING OPERATIONS; PHYSICS; POLISHES; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; STAMPS; TRANSPORTING; TYPEWRITERS

A novel indolium compound of general formula (I) and an optical recording material containing the indolium compound. In general formula (I), ring A is a benzene ring, etc.; R 1 is a group of general formula (II), etc.; R 2 is a C1-C30 organic group, etc.; Y 1 is a C1-C10 alkyl group, etc.; Z 1 is, e.g., a C1-C8 alkyl group optionally substituted with a halogen group and optionally interrupted by -O-, etc.; Z 2 is, e.g., a C1-C8 alkyl group optionally substituted with a halogen group and optionally interrupted by -O-, etc.; a is an integer of 0 to 6; b is an integer of 0 to 5; An q- is a q-valent anion; q is 1 or 2; and p is a number necessary to neutralize an electric charge.