Process for manufacturing purified phosphorodiamidite

Details Process for manufacturing purified phosphorodiamidite Process for manufacturing purified phosphorodiamidite

C - Chemistry, Metallurgy

07

F

C07F 9/28 (2006.01) C07F 9/02 (2006.01) C07F 9/24 (2006.01) C07F 9/655 (2006.01) C07H 19/10 (2006.01) C07H 19/20 (2006.01)

Patent

CA 2480359

A scalable process for purification of phosphorodiamidite includes steps of solubilizing a crude phosphorodiamidite in an apolar organic solvent, contacting the non-polar organic solvent with a polar phase comprising a polar organic solvent to remove impurities from the solubilized phosphorodiamidite, and removing the non-polar organic solvent from the phosphorodiamidite.

Cette invention concerne un procédé modulable de purification de phosphorodiamidite comprenant les étapes consistant : à solubiliser une phosphorodiamidite brute dans un solvant organique apolaire ; à mettre en contact le solvant organique non polaire avec une phase polaire comprenant un solvant organique polaire afin d'éliminer les impuretés de la phosphorodiamidite solubilisée ; puis à éliminer le solvant organique non polaire de la phosphorodiamidite.

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