Title:
【発明の名称】メチン系化合物、その製法及びそれを用いてなる光情報記録媒体
Document Type and Number:
Japanese Patent JP2547033
Kind Code:
B2
Abstract:
NEW MATERIAL:A compound expressed by formula I {X is formula II-formula IV [R5 and R6 are H, (substituted) alkyl, (substituted) aryl, etc.; R7 and R8 are H, (substituted) alkyl, (substituted) alkoxy, etc.; R10 is H or alkyl]; R1-R4 are H, (substituted) alkyl, (substituted) alkoxy, halogen, nitro, cyano, OH, (substituted) amino, etc.}. EXAMPLE:A compound expressed by formula V. USE:For a pigment for optical information recording media, color image element and ultrafine color-resolving filter for color display. PREPARATION:A compound expressed by formula VI is subjected to condensation reaction with a compound expressed by the formula X-CH=CH-CHO, preferably in an inert organic solvent (e.g. ethanol) in the presence of an organic base such as piperidine at 20-80 deg.C for 1-5hr.
Inventors:
HIOKI TAKESHI
TOMIOKA ATSUSHI
TOMIOKA ATSUSHI
Application Number:
JP18832687A
Publication Date:
October 23, 1996
Filing Date:
July 28, 1987
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
B41M5/26; C07C67/00; C07C253/00; C07C253/30; C07C255/31; C07C255/42; C07C255/44; C07C271/06; C07C275/42; C07C311/15; C07C317/44; C07C327/48; C07C335/16; C07D209/86; C07D215/14; C07D215/20; C07D215/40; C07D221/10; C07D277/20; C07D277/40; C07D521/00; C09B23/00; C09B23/01; C09B23/14; G11B7/244; (IPC1-7): C09B23/00; C07C253/30; C07C255/42; C07C255/44; C07C271/06; C07C275/42; C07C311/15; C07C317/44; C07C327/48; C07C335/16; C07D209/86; C07D277/40
Attorney, Agent or Firm:
Mitsuhiro Moroishi (1 person outside)