C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
C07H 1/06 (2006.01) C07H 3/04 (2006.01) C07H 5/02 (2006.01)
Patent
CA 2623071
A process is described for production of a chlorinated sucrose from a process stream containing a 6-O-protected chlorinated sucrose derived from chlorination of 6-O-protected sucrose wherein the process stream is treated under conditions which prevent or reverse deacylation of 6-O-protected chlorinated sucrose, extracting the same in a solvent, washing most of the dimethylformamide free from the solvent extract by repeated washing with saturated sodium chloride solution, isolating the 6-O-proetctetd sucrose as a pure fraction and obtaining a chlorinated sucrose by deacylating the same.
L~invention concerne un procédé de fabrication d~un sucrose chloré à partir d~un courant contenant un sucrose chloré 6-O-protégé issu de la chloration de sucrose 6-O-protégé, ledit courant étant traité dans des conditions empêchant ou inversant la désacylation du sucrose chloré 6-O-protégé, ledit procédé consistant à extraire le sucrose chloré 6-O-protégé dans un solvant, à laver l~extrait de solvant de la majorité du diméthylformamide par lavage répété à l~aide d~une solution saturée de chlorure de sodium, à isoler le sucrose 6-O-protégé sous forme d~une fraction pure et à obtenir un sucrose chloré par désacylation de celui-ci.
Kulkarni Srikanth
Ratnam Rakesh
Sundeep Aurora
Pharmed Medicare Pvt. Ltd.
Ridout & Maybee Llp
V. B. Medicare Private Limited
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