HETEROPOLYCYCLIC COMPOUND AND DYE

WIPO Patent Application WO/2005/078024

A1

A heteropolycyclic compound represented by the general formula (1) or (2): (wherein R¹ represents linear or branched C_1-10 alkyl, etc.; R² and R³ are the same or different and each represents linear or branched C_1-10 alkyl, etc.; R⁴ and R⁵ each represents hydrogen; X represents -OH, etc.; X' represents linear or branched C_1-10 alkyl, etc.; and Z represents -O-, etc.). The heteropolycyclic compound has appropriate light absorption wavelengths and appropriate fluorescent wavelengths and has high luminescent intensity. It is suitable for use in various applications as a dye excellent in various performances including heat resistance, light resistance, solubility, dispersibility in resist materials, and solid luminescence.

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YOSHIDA KATSUHIRA (JP)
OOYAMA YOUSUKE (JP)

PCT/JP2005/002026

August 25, 2005

February 10, 2005

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UNIV KOCHI (JP)
YOSHIDA KATSUHIRA (JP)
OOYAMA YOUSUKE (JP)

C09B57/00; (IPC1-7): C09B57/00

JP2004263178A

2004-09-24

YOSHIDA K. ET AL: "The effect of metal chelate complexation on the reactivity and absorption spectra of 1,2-naphthoquinones: new types of near-infrared-absorbing metal complex dyes", JOURNAL OF THE CHEMICAL SOCIETY. PERKIN TRANSACTIONS I:ORGANIC AND BIO-ORGANIC CHEMISTRY, no. 7, 1990, pages 1891 - 1895, XP002987984
See also references of EP 1717276A4

Saegusa, Eiji (1-7-1 Doshomachi, Chuo-ku, Osaka-sh, Osaka 45, JP)

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