(19)
(11) EP 3 162 804 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
09.08.2017 Bulletin 2017/32

(43) Date of publication:
03.05.2017 Bulletin 2017/18

(21) Application number: 15824012.7

(22) Date of filing: 22.07.2015
(51) International Patent Classification (IPC): 
C07D 487/04(2006.01)
A61P 25/20(2006.01)
A61P 1/06(2006.01)
A61P 23/00(2006.01)
A61P 25/08(2006.01)
A61P 25/22(2006.01)
(86) International application number:
PCT/CN2015/084770
(87) International publication number:
WO 2016/011943 (28.01.2016 Gazette 2016/04)
(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
Designated Extension States:
BA ME
Designated Validation States:
MA

(30) Priority: 23.07.2014 CN 201410352439

(71) Applicant: Li, Qingeng
Chongqing 400016 (CN)

(72) Inventors:
  • LI, Qingeng
    Chongqing 400016 (CN)
  • WANG, Tao
    Chongqing 400016 (CN)
  • XIE, Jianyong
    Chongqing 400016 (CN)
  • ZHANG, Guisheng
    Chongqing 400016 (CN)
  • XU, Xiangqing
    Chongqing 400016 (CN)

(74) Representative: Turner, Craig Robert et al
A.A. Thornton & Co. 10 Old Bailey
London EC4M 7NG
London EC4M 7NG (GB)

   


(54) NEW BENZODIAZEPINE DERIVATIVE AND USE THEREOF


(57) The present invention relates to a new benzodiazepine derivative, pharmaceutically acceptable salt thereof, preparation method therefor, and use thereof. The benzodiazepine derivative and the pharmaceutically acceptable salt thereof of the present invention have obvious anesthetic effect and low toxicity in body, thereby enhancing the medication safety. The benzodiazepine derivative and the pharmaceutically acceptable salt thereof of the present invention have sedative, hypnotic, and anesthetic effect, and can be used as sedative, hypnotic, and anesthetic drugs.