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Title:
COUMARIN COMPOUND
Document Type and Number:
WIPO Patent Application WO/2003/050106
Kind Code:
A1
Abstract:
A coumarin compound represented by the general formula (1); a process for producing a coumarin compound represented by the general formula (1) via the step of reacting a compound having an aldehyde group with a compound having an active methylene group; a luminescent agent for organic electroluminescent elements which comprises a coumarin compound represented by the general formula (1); an organic electroluminescent element; and a display panel and an information display which each employs the organic electroluminescent element. General formula (1): Φ (Z)m (In the general formula (1), Φ represents an aromatic ring, heterocycle, or a combination thereof; Z's are the same or different and each represents a coumarin residue represented by the general formula (2); and m is an integer of 2 or larger).

Inventors:
SATSUKI MAKOTO (JP)
FUJIWARA MAKOTO (JP)
ISHIDA NATSUKO (JP)
SUGA SADAHARU (JP)
FUJIKAWA HISAYOSHI (JP)
TAKEUCHI HISATO (JP)
TAGA YASUNORI (JP)
Application Number:
PCT/JP2002/012918
Publication Date:
June 19, 2003
Filing Date:
December 10, 2002
Export Citation:
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Assignee:
HAYASHIBARA BIOCHEM LAB (JP)
SATSUKI MAKOTO (JP)
FUJIWARA MAKOTO (JP)
ISHIDA NATSUKO (JP)
SUGA SADAHARU (JP)
FUJIKAWA HISAYOSHI (JP)
TAKEUCHI HISATO (JP)
TAGA YASUNORI (JP)
International Classes:
C07D311/16; C09B57/02; C09K11/06; H01L51/30; H01L51/50; (IPC1-7): C07D311/16; C07D311/18; C07D311/92; C07D405/14; C07D409/14; C07D491/16; C07D519/00; H05B33/14; C09K11/06; C09B57/02
Domestic Patent References:
WO2001072673A12001-10-04
Foreign References:
DE2240037A11973-04-26
JP2000192028A2000-07-11
JPH0372898A1991-03-28
JP2000273055A2000-10-03
Other References:
RAJESWAR RAO, V. et al., "Synthesis of Some New Types of Thiazolyl Coumarins", Phosphorus Sulfur and Silicon, 1996, Vol. 113, pages 47 to 51
OMAR, Ismail M.S. et al., "Character of electronicabsorption spectra of 4,4'-substituted 2,2'-dithiazolyl with coumarin nucleus", Visnik Kharkivs'kogo Universitetu, 1998, Vol. 2, pages 71 to 77
SILIN, A.V. et al., "Synthesis of 4,4'-disubstituted 2,2'-dethiazolyls", Visnik Kharkivs'kogo Universitetu, 1997, Vol. 395, pages 264 to 273
TAVAKOVIC, Ibro et al., "Electrochemical Oxidation od 1,2-Diphenyl-3-(4-Hydroxycoumarinyl)-delta2-Pyrazoline", Glasnik Hemijskog Drustva Beograd, 1982, Vol. 47, No. 7, pages 339 to 346
CHODANKAR, N.K. et al., "Absorption-Emission Spectra Studies of 3-Hetarylcoumarins", Dyes and Pigments, 1985, Vol. 6, pages 331 to 340
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