Apixaban Impurity 22 synthesis
- Product Name:Apixaban Impurity 22
- CAS Number:405872-78-8
- Molecular formula:C11H13ClN2O3
- Molecular Weight:256.69
Yield:405872-78-8 69%
Reaction Conditions:
Stage #1: m-Anisidinewith hydrogenchloride;sodium nitrite in water at 5;
Stage #2: ethyl 2-chloro-3-oxo-butyrate in water at 1 - 20;
References:
Peng, Youyi;Zhang, Qiang;Arora, Sonia;Keenan, Susan M.;Kortagere, Sandhya;Wannemacher, Kenneth M.;Howells, Richard D.;Welsh, William J. [Bioorganic and Medicinal Chemistry,2009,vol. 17,# 17,p. 6442 - 6450] Location in patent:experimental part
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