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1. (WO2019062804) METHOD FOR PREPARING OXASPIROCYCLE DERIVATIVE, AND INTERMEDIATE THEREOF
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Pub. No.: WO/2019/062804 International Application No.: PCT/CN2018/107901
Publication Date: 04.04.2019 International Filing Date: 27.09.2018
IPC:
C07D 311/96 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
311
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
96
spiro-condensed with carbocyclic rings or ring systems
Applicants:
江苏恒瑞医药股份有限公司 JIANGSU HENGRUI MEDICINE CO., LTD. [CN/CN]; 中国江苏省连云港市 经济技术开发区昆仑山路7号 No.7 Kunlunshan Road, Economic And Technological Development Zone Lianyungang, Jiangsu 222047, CN
Inventors:
李文海 LI, Wenhai; CN
齐维兴 QI, Weixing; CN
邱振均 QIU, Zhenjun; CN
Agent:
上海弼兴律师事务所 SHANGHAI BESHINING LAW OFFICE; 中国上海市 小木桥路681号外经大厦21楼 21st Floor SFECO Mansion 681 Xiaomuqiao Road Shanghai 200032, CN
Priority Data:
201710896555.228.09.2017CN
Title (EN) METHOD FOR PREPARING OXASPIROCYCLE DERIVATIVE, AND INTERMEDIATE THEREOF
(FR) PROCÉDÉ DE PRÉPARATION D'UN DÉRIVÉ D'OXASPIROCYCLE, ET D'INTERMÉDIAIRE DE CELUI-CI
(ZH) 一种氧杂螺环类衍生物的制备方法及其中间体
Abstract:
(EN) The present invention relates to a method for preparing an oxaspirocycle derivative, and an intermediate thereof. The method reduces reaction steps, improves reaction yield, is simple and easy to operate, and is favorable for industrial large-scale production.
(FR) La présente invention concerne un procédé de préparation d'un dérivé d'oxaspirocycle, et d'un intermédiaire de celui-ci. Le procédé selon la présente invention, améliore le rendement de la réaction, est d'une utilisation simple et facile et est approprié pour une production industrielle à grande d'échelle.
(ZH) 本发明涉及一种氧杂螺环类衍生物的制备方法及其中间体,该方法缩短了反应步骤、提高了反应产率、简单易操控、利于工业扩大生产。
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Chinese (ZH)
Filing Language: Chinese (ZH)