Indole compound and use of the same

Details Indole compound and use of the same Indole compound and use of the same

1993-12-20

1995-03-28

Lee, Mary C.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

252589, 548494, C09K 1106, C07D20910

Patent

active

054014387

ABSTRACT:
Disclosed is a novel UV light absorbing compound which can preferably be employed in the art of colored molding plastics, resin films, heat-sensitive transfer materials, liquid crystal display materials, color photographs and the like, and method for producing thereof. The UV light absorbing compound is characterized by the general formula: ##STR1## wherein R.sup.1 represents linear or branched alkyl or aralkyl group, and R.sup.2 represents --CN or --COOR.sup.3, wherein R.sup.3 represents substituted or unsubstituted alkyl or aralkyl group.

REFERENCES:
patent: 3109844 (1963-11-01), Perron et al.
patent: 4522808 (1985-06-01), Jacquet et al.
CA 110:116642e Indolo-3,3.varies.-Trimethinecyanines . . . Properties. Karymova et al., p. 96, 1989.
CA 117: 70959c Indoles as UV Stabilizers. Otsuka, p. 46, 1992.
Indian Journal of Chemistry, Section B, vol. 27B, No. 8, pp. 758-762, Hiremath, et al. 1988.
CA 54:7683i Ames et al., (Sixth Collective Index, 2638F), 1957.
CA 110: 21267p Synthesis . . . I-Carbonylindoles. Hiremath et al., p. 739, 1989(Including Collective Index of Molecular Formulas).
CA 100:87238p Synthesis . . . Indolo 3,3.varies.-Trimethinecyanines, Galiullina et al., p. 77, 1984.
CA 106: 6398g Synthesis . . . Cyanines Karimova et al., p. 70, 1987.

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