NEW OXONOL COMPOUND AND METHOD FOR PRODUCING THE COMPOUND

摘要

PROBLEM TO BE SOLVED: To provide a synthesization intermediate of a coloring matter for optical information recording medium, realizing a high refractive index and a high modulation factor in a high speed recording of 4×speed or more, while keeping good recording properties at low speed recording at 1×to 2×speed, and having large real part n and the same or smaller imaginary part k of the complex refractive index recording speed of four times or higher. quadruple speed. SOLUTION: The compound is represented by general formula (1). Wherein, R1and R2are each H, an alkyl or an aryl, R3, R4, R6and R7are each H or an alkyl, R5is H, a halogen, an alkyl, an aryl, an acylamino or a heterocycle, R8is H or acyl, R9, R10, R11, R12and R13are each H or a substituent, and R1and R2may bond each other to form a ring. speed of four times or more. COPYRIGHT: (C)2006,JPO&NCIPI