Figure 1From: Facile approach for the synthesis of rivaroxaban using alternate synthon: reaction, crystallization and isolation in single pot to achieve desired yield, quality and crystal formIdentified impurities in the reaction mass of 9 by LC–MS. By-products and impurities formed during the deprotection of phthalimide group in 8 to form 9 by LC–MS in reaction mass as well as in the isolated solid of compound 9.Back to article page