(19)
(11) EP 3 159 341 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
08.01.2020 Bulletin 2020/02

(45) Mention of the grant of the patent:
21.08.2019 Bulletin 2019/34

(21) Application number: 15810067.7

(22) Date of filing: 16.06.2015
(51) International Patent Classification (IPC): 
C07D 471/04(2006.01)
A61P 35/00(2006.01)
 A61K 31/519(2006.01)
(86) International application number:
PCT/CN2015/081518
(87) International publication number:
WO 2015/192760 (23.12.2015 Gazette 2015/51)

(54)

PYRIDINO[1,2-A]PYRIMIDONE ANALOGUE USED AS PI3K INHIBITOR

PYRIDIN[1,2-A]PYRIMIDONANALOG ALS PI3K-HEMMER

ANALOGUE DE PYRIDINO [1,2-A]PYRIMIDONE UTILISÉ EN TANT QU'INHIBITEUR DE PI3K

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 17.06.2014 CN 201410271282
12.06.2015 CN 201510324348

(43) Date of publication of application:
26.04.2017 Bulletin 2017/17

(73) Proprietor: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
Lianyungang, Jiangsu 222062 (CN)

(72) Inventors:
  • WU, Chengde
    Shanghai 200131 (CN)
  • YU, Tao
    Shanghai 200131 (CN)
  • CHEN, Shuhui
    Shanghai 200131 (CN)

(74) Representative: TL Brand & Co 
50 Eastcastle Street
London W1W 8EA
London W1W 8EA (GB)


(56) References cited: : 
WO-A1-2013/071698
WO-A1-2014/022128
 WO-A1-2014/022128
CN-A- 103 539 777
   
  • YOUSSEF KABRI ET AL: "One-Pot Chemoselective Bis(Suzuki-Miyaura Cross-Coupling): Efficient Access to 3,9-Bis[(hetero)aryl]-4 H -pyrido[1,2- a ]pyrimidin-4-one Derivatives Under Microwave Irradiation", EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, vol. 2012, no. 28, 1 October 2012 (2012-10-01), pages 5595-5604, XP055432475, DE ISSN: 1434-193X, DOI: 10.1002/ejoc.201200748
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).