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Patent Searching and Data


Title:
CHROMENE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2011/025056
Kind Code:
A1
Abstract:
Disclosed is a chromene compound which has a skeleton represented by formula (1) and shows a double peak profile. In formula (1), Z represents a group represented by any of formulae (2) [wherein R1 represents an electron-donating group having a Hammett's sigma para value (σp) of less than -0.20, and when there are a plurality of R1's, they may be the same as or different from each other; and R2 represents a group having a σp of -0.20 to 0 inclusive, and when there are a plurality of R2's, they may be the same as or different from each other]; and a represents an integer of 1 to 3, and when a is 2 or 3, Z's may be the same as or different from each other, provided that (3) should not be (4).

Inventors:
TAKAHASHI TOSHIAKI (JP)
TAKENAKA JUNJI (JP)
Application Number:
PCT/JP2010/064983
Publication Date:
March 03, 2011
Filing Date:
August 26, 2010
Export Citation:
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Assignee:
TOKUYAMA CORP (JP)
TAKAHASHI TOSHIAKI (JP)
TAKENAKA JUNJI (JP)
International Classes:
C07D493/04; C07D317/70; G02B5/23
Domestic Patent References:
WO2006110221A12006-10-19
WO2001019813A12001-03-22
WO2005028465A12005-03-31
WO2001019813A12001-03-22
WO2003025638A12003-03-27
WO2003044022A22003-05-30
WO2005028465A12005-03-31
WO2001060811A12001-08-23
Foreign References:
JP2009120536A2009-06-04
JP2009057300A2009-03-19
JP2009067680A2009-04-02
Other References:
GAZZETTA CHIMICA ITALIANA, vol. 102, 1972, pages 558 - 561
JUSTUS LIEBIGS ANNALEN DER CHEMIE, vol. 675, 1964, pages 142 - 150
ACTA CHEMICA SCANDINAVIA (1947-1973, vol. 10, 1956, pages 1006 - 1009
"Liebigs Annalen der Chemie", vol. 3, 1982, pages: 507 - 529
IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII, KHIMIYA I KHIMICHESKAYA TEKHONOLOGIYA, vol. 31, no. 5, 1988, pages 46 - 9
SYNTHESIS, 1985, pages 31 - 3
HETEROCYCLIC COMMUNICATIONS, vol. 7, no. 2, 2001, pages 135 - 141
GAZZETTA CHEMICA ITALIANA; ENGLISH, vol. 102, 1972, pages 558 - 561
Attorney, Agent or Firm:
OHSHIMA Masataka (JP)
Masataka Oshima (JP)
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