Nintedanib esilate impurity as well as preparation method and application thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- JIANGSU HANSOH PHARMA CO LTD
- Publication Date
- 2020-02-07
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention belongs to the field of medicinal chemistry, and in particular relates to a nintedanib ethanesulfonate impurity and a preparation method and application thereof. Background technique
[0002] Nintedanib ethanesulfonate, chemical name: (3Z)-3-{[(4-{N-methyl-2-(4-methylpiperazin-1-yl)acetamido}phenyl)amino] (Phenyl)methylene}-2-oxo-2,3-dihydro-1H-indole-6-carboxylic acid methyl ester ethanesulfonate, English name: Nintedanib Ethanesulfonate, manufactured by Boehringer Ingelheim (Boeringer Ingelheim), a multiple tyrosine kinase inhibitor developed to inhibit growth factor receptors associated with the pathogenesis of idiopathic pulmonary fibrosis (IPF). On October 15, 2014, nintedanib ethanesulfonate was approved by the US Food and Drug Administration (FDA) for the treatment of idiopathic pulmonary fibrosis (IPF) and non-small cell lung cancer.
[0003] The structural formula of nintedanib ethanesulfonate is as follows:
[0004] [000...