新規ピリダジン-3(2H)-オン誘導体

Title:

新規ピリダジン-3(2H)-オン誘導体

Document Type and Number:

Japanese Patent JP4679154

Kind Code:

B2

Abstract:

Pyridazin-3(2H)-one derivatives of formula (I) are found to inhibit PDE-4: wherein R1, R2 and R4 are organic radicals, R3 is a cyclic group, and R5 is an ester or an aryl or heteroaryl group.

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Inventors:

Vittorio d'Al Piats
Nuria Aguilar Isquierdo
Maria Antonia Buill Albero
Marta Callaskar Liera
Jordi Gracia Ferrell
Maria Paola Giovannini
Claudia Vergelli

Application Number:

JP2004562819A

Publication Date:

April 27, 2011

Filing Date:

December 22, 2003

Export Citation:

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Assignee:

Almirall, S.A.

International Classes:

C07D401/04; A61K31/501; A61K31/506; A61K31/52; A61K45/00; A61P1/00; A61P11/00; A61P11/06; A61P17/00; A61P17/06; A61P19/02; A61P29/00; A61P37/08; A61P43/00; C07D237/24; C07D401/12; C07D401/14; C07D403/04; C07D403/12; C07D405/04; C07D409/04; C07D409/12; C07D409/14; C07D413/04; C07D413/12; C07D417/04; C07D417/12; C07D471/04; C07D473/34; C07D495/04

Domestic Patent References:

JP2005533024A

Foreign References:

WO2000024719A1

Other References:

Journal of Pharmaceutical Science,1991年,vol.80, No.4,341-348
Farmaco,1991年,vol.46, No.7-8,873-885
Journal of Medicinal Chemistry,2001年,No.15,2403-10

Attorney, Agent or Firm:

Aoyama Aoi
Mitsutaka Iwasaki
Shoji Nakajima

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