COMPOUND EXHIBITING PGD 2 RECEPTOR ANTAGONISM

WIPO Patent Application WO/2003/097598

A1

A compound exhibiting CRTH 2 receptor antagonism, represented by the following formula (I), which compound is useful in the treatment of allergosis with which the association of eosinocytes is presumed, etc.: (I) wherein the group represented by the formula: (a) is a group of the formula: (b) or the like; R¹ represents carboxyl, etc.; R³ represents a group of the formula -(CH₂)_n-N(-Y)SO₂-Ar, etc.; and the other substituents are as defined in claim 1.

TANIMOTO NORIHIKO (JP)
HIRAMATSU YOSHIHARU (JP)
MITSUMORI SUSUMU (JP)
INAGAKI MASANAO (JP)

PCT/JP2003/006076

November 27, 2003

May 15, 2003

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SHIONOGI & CO (JP)
TANIMOTO NORIHIKO (JP)
HIRAMATSU YOSHIHARU (JP)
MITSUMORI SUSUMU (JP)
INAGAKI MASANAO (JP)

A61K31/403; A61K31/405; A61K31/407; A61K31/437; A61K31/4439; A61K31/454; A61K31/4709; A61P11/06; A61P37/08; A61P43/00; C07D209/14; C07D401/04; C07D401/06; C07D403/04; C07D403/06; C07D409/12; C07D409/14; C07D471/04; (IPC1-7): C07D209/14; C07D209/94; C07D209/86; C07D209/88; C07D401/04; C07D403/04; C07D409/12; C07D409/14; C07D471/04; C07D209/16; C07D403/06; C07D401/06; C07D401/14; C07D487/04; C07D231/56; C07D495/04; A61K31/403; A61K31/405; A61K31/4439; A61K31/454; A61K31/437; A61K31/4709; A61K31/407; A61P11/06; A61P37/08; A61P43/00

WO2001014882A1

2001-03-01

EP0473024A1	1992-03-04
EP0451634A2	1991-10-16
EP0425906A2	1991-05-08
JPH11322600A	1999-11-24
JPH11116477A	1999-04-27
JPH08175991A	1996-07-09
JPH11343279A	1999-12-14
EP1170594A2	2002-01-09

DATABASE CAPLUS [online] MAIS ET AL., XP002971353, Database accession no. 117-19896
See also references of EP 1505061A4

Yamauchi, Hideaki (Ltd. Intellectual Property Department 12-4, Sagisu 5-chome, Fukushima-k, Osaka-shi Osaka, JP)

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