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Title:
COUMARIN DERIVATIVE, PROCESS FOR PRODUCING THE SAME, AND LUMINESCENT AGENT AND LUMINESCENT ELEMENT EACH CONTAINING THE SAME
Document Type and Number:
WIPO Patent Application WO/2002/062802
Kind Code:
A1
Abstract:
A functional organic material useful in or as a light absorber or luminescent agent; and uses thereof. The material is a coumarin derivative having a specific structure and specific properties. The light absorber and luminescent agent each comprises the coumarin derivative. Also provided are: an organic electroluminescent element containing the coumarin derivative; and a use thereof. The process for producing the coumarin derivative comprises a step in which a coumarin compound having an aldehyde group and hydrocarbon group bonded to the coumarin skeleton respectively in the 3- and 4-positions and further having a julolidine skeleton in a position other than the 3- and 4-positions is reacted with a hydrocarbon having a thiol group and a primary amino group respectively bonded to adjacent carbon atoms.

Inventors:
SHINPO AKIRA (JP)
ISHIDA NATSUKO (JP)
SASAKI CHIKA (JP)
SUGA SADAHARU (JP)
FUJIKAWA HISAYOSHI (JP)
OHWAKI TAKESHI (JP)
TAGA YASUNORI (JP)
Application Number:
PCT/JP2002/000851
Publication Date:
August 15, 2002
Filing Date:
February 01, 2002
Export Citation:
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Assignee:
HAYASHIBARA BIOCHEM LAB (JP)
SHINPO AKIRA (JP)
ISHIDA NATSUKO (JP)
SASAKI CHIKA (JP)
SUGA SADAHARU (JP)
FUJIKAWA HISAYOSHI (JP)
OHWAKI TAKESHI (JP)
TAGA YASUNORI (JP)
International Classes:
H05B33/12; C07D491/16; C09B57/02; C09K11/06; G09F9/30; H01L27/32; H01L51/30; H01L51/50; (IPC1-7): C07D491/16; H05B33/14; C09K11/06; C09K3/00; C09B57/02
Foreign References:
JPH069952A1994-01-18
EP1041074A12000-10-04
JP2001011079A2001-01-16
JPH1154276A1999-02-26
US6143434A2000-11-07
US6020078A2000-02-01
JPH069892A1994-01-18
JPH03200785A1991-09-02
JP2001294585A2001-10-23
JP2001081347A2001-03-27
JP2001047291A2001-02-20
Other References:
T. G. Deligeorgiev, "An Improved method for the preparation of 2-ary-, 2-hetaryl- and 2-styrylbenzothiazoles", Dyes and Pigments, 1990, Vol. 12, pages 243 to 248
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