Synthesis and Characterization of Chiral Impurities of Rivaroxaban, Used as an Anticoagulant Drug
DOI:
https://doi.org/10.47392/IRJAEM.2024.0322Keywords:
An Anticoagulant Drug, Rivaroxaban, Synthesis and Characterization, Chiral Impurity, CriticalAbstract
The mechanism of action of the anticoagulant medication rivaroxaban is the direct and specific suppression of activated coagulation factor X (FXa). With just (S)-Rivaroxaban exhibiting pharmacological activity and (R)-Rivaroxaban being an impurity that must be controlled, this molecule only has one chiral centre. The present work describes the synthesis of chiral impurities of each intermediate, including KSM and its drug substance, and their characterization by spectral data (IR, MS, 1H-NMR, and 13C-NMR). The chiral impurity of drug substance is challenging during the process development of Rivaroxaban, and it is challenging for all pharmaceutical industries as well. The opposite isomeric impurity is introduced form its key starting material and it follows the same reaction mechanism path up to final drug substance. This work will help quality control (QC) to identify and control these impurities in the Rivaroxban drug substance as per ICH guideline.
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