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Title:
PREPARATION METHOD FOR KRAS G12C INHIBITOR AND INTERMEDIATE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/226902
Kind Code:
A1
Abstract:
The present invention relates to a preparation method for a KRAS G12C inhibitor and an intermediate thereof. The method has a simple and efficient process route, low cost, low pollution and high safety and does not need column chromatography purification operation, the HPLC purity of a prepared target product is higher than 99.0%, and the ee value of the product is higher than 99.0%, thus the method being suitable for industrial application.

Inventors:
LV BINHUA (CN)
FENG WEIDONG (CN)
LIAN CHANGMING (CN)
WANG RUNQING (CN)
CHENG JIAWEI (CN)
YE WEI (CN)
Application Number:
PCT/CN2023/095362
Publication Date:
November 30, 2023
Filing Date:
May 19, 2023
Export Citation:
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Assignee:
SUZHOU ZELGEN BIOPHARMACEUTICALS CO LTD (CN)
SHANGHAI ZELGEN PHARMA TECH CO LTD (CN)
International Classes:
C07D471/04; C07D211/78
Domestic Patent References:
WO2021078312A12021-04-29
WO2022066646A12022-03-31
WO2021106231A12021-06-03
WO2014166386A12014-10-16
WO2022148422A12022-07-14
Foreign References:
US20190144444A12019-05-16
US20180072723A12018-03-15
CN110734393A2020-01-31
CN111989321A2020-11-24
Other References:
SCALONE MICHELANGELO, WALDMEIER PIUS: "Efficient Enantioselective Synthesis of the NMDA 2B Receptor Antagonist Ro 67-8867", ORGANIC PROCESS RESEARCH & DEVELOPMENT, AMERICAN CHEMICAL SOCIETY, US, vol. 7, no. 3, 1 May 2003 (2003-05-01), US , pages 418 - 425, XP093111797, ISSN: 1083-6160, DOI: 10.1021/op034006v
LIAO RONG, ZHOU QING-HAN: "Study on synthesis of 2-(1-(tert-butoxycarbonyl) piperidin-3-yl) acetic acid", XINAN MINZU DAXUE XUEBAO (ZIRAN KEXUE BAN) - SOUTHWEST UNIVERSITYFOR NATIONALITIES. JOURNAL (NATURAL SCIENCE EDITION), XINAN MINZU DAXUE, CHENGDU, CN, vol. 38, no. 4, 25 July 2012 (2012-07-25), CN , pages 587 - 591, XP093111798, ISSN: 1003-2843, DOI: 10.3969/j.issn.1003-2483.2012.04.19
Attorney, Agent or Firm:
XU & PARTNERS, LLC. (CN)
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