C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 493/18 (2006.01) C07H 19/01 (2006.01)
Patent
CA 2735537
The invention relates to a method for preparing 1,6:2,3-dianhydro-â-D-mannopyranose and is characterized in that it includes a step of cyclizing the compound C, where R is an alkyl group and R' is an activating agent, in an alcohol/alcoholate mixture under anhydrous conditions.
Procédé de préparation du 1,6:2,3-dianhydro-.beta.-D-mannopyranose, caractérisé en ce qu'il comprend une étape de cyclisation du composé C dans lequel R représente un groupe alkyle et R' représente un agent activant, dans un mélange alcool/alcoolate en conditions anhydres.
Grossi Pierre Jean
Hoff Christian
Rovera Jean-Claude
Sole Raphael
Robic
Sanofi-Aventis
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