1252018-28-2Relevant academic research and scientific papers
An approach to the anticoagulant agent rivaroxaban via an isocyanate-oxirane cycloaddition promoted by MgI2.etherate
Li, Chao,Liu, Yingshuai,Zhang, Yongjun,Zhang, Xingxian
, p. 400 - 401 (2011)
A convergent and efficient synthesis of anticoagulant rivaroxaban was developed using the cycloaddition of commercially available (R)-epichlorohydrin with 4-(morpholin-3-one)phenyl isocyanate catalysed by MgI2 etherate as the key step, in 22% overall yield.
PROCESSES FOR THE PREPARATION OF 4-{4-[5(S)-(AMINOMETHYL)-2-OXO-1,3-OXAZOLIDIN-3-YL]PHENYL} MORPHOLIN-3-ONE
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Page/Page column 16, (2012/03/27)
The present invention provides processes for the preparation of 4-{4-[5(S)-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]phenyl}morpholin-3-one which are simple, eco-friendly, cost-effective, reproducible, robust and are well amenable on industrial scale.
METHOD FOR THE PREPARATION OF SUBSTITUTED OXAZOLIDINONES
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Page/Page column 27-28, (2012/11/06)
The present invention relates to methods for the preparation of a compound having the formula (X). Individual reaction steps as welt as intermediates are additionally claimed.
PROCESS FOR THE PREPARATION OF A RIVAROXABAN AND INTERMEDIATES FORMED IN SAID PROCESS
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Page/Page column 65-66, (2012/12/13)
The invention relates to a process for the preparation of 5-chloro- N- ({(5-S)-2-oxo3-[4-(3-oxo-morj)holine-4-yl)-phenyl]-l,3-oxazolidine-5-yl}-methyl) thiophen-2-carboxamide having the INN rivaroxaban. The process is characterized by the reactions according to claim 1. The invention also relates to intermediates formed in the above process.
