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Title:
N-CARBOXAMIDOPYRAZOLINE DERIVATIVE SERVING AS P2X3 RECEPTOR ANTAGONIST AND APPLICATIONS
Document Type and Number:
WIPO Patent Application WO/2022/028154
Kind Code:
A1
Abstract:
An N-carboxamidopyrazoline derivative, provided with the compound of formula (I) or an enantiomer, a diastereomer, an epimer, and a racemate of same, or a pharmaceutically acceptable salt thereof. The compound is an antagonist of ligand-gated nonselective cation channel receptor subtype P2X3, and is applicable in treating or preventing various diseases mediated by P2X3 receptors.

Inventors:
CHENG YUNFENG (CN)
ZHU XINQIANG (CN)
Application Number:
PCT/CN2021/103402
Publication Date:
February 10, 2022
Filing Date:
June 30, 2021
Export Citation:
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Assignee:
HANGZHOU WESTAN PHARMACEUTICAL TECH CO LTD (CN)
International Classes:
A61K31/415; C07D231/06; A61K31/4155; A61P11/00; A61P11/06; A61P11/14; A61P17/00; A61P17/04; A61P25/04; A61P25/06; A61P29/00; C07D401/12; C07D401/14; C07D403/04; C07D403/12; C07D403/14; C07D405/14; C07D413/04; C07D413/14
Domestic Patent References:
WO2009058298A12009-05-07
WO2010111059A12010-09-30
WO2018111738A12018-06-21
Foreign References:
CN111892585A2020-11-06
CN101282972A2008-10-08
US5798311A1998-08-25
EP0294666A21988-12-14
EP0466408A11992-01-15
Other References:
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COCKAYNE, D.A. ET AL., J. PHYSIOL., 2005, pages 621
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See also references of EP 4079725A4
Attorney, Agent or Firm:
HANGZHOU ZHIXIAN PATENT AGENCY (CN)
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