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Patent Searching and Data


Title:
COMPOUND OR SALT THEREOF, PREPARATION METHOD AND USES THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/107913
Kind Code:
A1
Abstract:
The present invention discloses a compound shown in a formula I or a salt thereof, wherein R1 is selected from hydrogen, hydroxyl, C1-6 alkyl, substituted C1-6 alkyl, halogen, amino and thiol wherein the substituted C1-6 alkyl group is substituted by one or more halogens. The compound or the salt thereof can be used as impurity reference standard for monitoring the introduction of impurities in the synthesis process of terbutaline or pharmaceutically acceptable salt thereof, so as to ensure efficacy and safety of a drug product.

Inventors:
ZHANG BAOXIAN (CN)
HU JIE (CN)
YAN DONGHUI (CN)
QIN MENGZHI (CN)
CAO YING (CN)
Application Number:
PCT/CN2019/097806
Publication Date:
June 04, 2020
Filing Date:
July 26, 2019
Export Citation:
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Assignee:
INCREASEPHARM TIANJIN INST CO LTD (CN)
International Classes:
C07C213/00; C07C209/68; C07C213/08; C07C215/60
Foreign References:
CN108503554A2018-09-07
US4011258A1977-03-08
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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