C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
260/233.5
C07H 3/02 (2006.01) C07D 307/32 (2006.01) C07H 15/18 (2006.01)
Patent
CA 1272190
ABSTRACT The present invention relates to a novel method of preparing D-ribose. This method is charac- terized in that, in a first stage, a 1,5-di-0,0- substituted derivative of D-xylorurarlose is prepared; further in that the hydroxyls in positions 2 and 3 are [each] substituted by a group which preferably is mesyl (CH3SO2) or methylthiothiocarbonyl, CH3SC(=S); further in that the 2,3-unsaturated derivative is prepared; and in that D-ribose is finally obtained by cis-hydroxylation of the carbon-carbon double bond, followed by acid hydrolysis of the 1,5-0,0-dialkyl derivatives. The D-ribose is useful in the prepara- tion of certain medicines.
518660
Feniou Claude
Grignon Micheline
Lacourt Brigitte
Pontagnier Henri
Rezzonico Bernadette
Feniou Claude
Grignon Micheline
Lacourt Brigitte
Pontagnier Henri
Rezzonico Bernadette
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