Anhydro-sugars and a process for their preparation

Details Anhydro-sugars and a process for their preparation Anhydro-sugars and a process for their preparation

C - Chemistry, Metallurgy

07

H

260/233.3

C07H 3/10 (2006.01) C07H 15/18 (2006.01) C07H 19/01 (2006.01)

Patent

CA 1116596

Case 4-10723/- Canada Novel anhydro-sugars and a process for their preparation Abstract of the Disclosure The invention relates to the preparation of novel 1,6-anhydro-.beta.-D-hexo-pyranose derivatives of the formula I Image in which R2 is hydrogen, methyl or aromatic acyl, R3 and R4 are alkyl, alkenyl or aralkyl and one of the radicals R3 and R4 is also an aroyl radical and R4 can also be hydrogen, with the proviso that the radicals R3 and R4 together contain at least 3 carbon atoms and, if R4 is the benzyl radical, the radical R3 contains at least 2 carbon atoms, and, if one of the radicals R3 and R4 is an aroyl radical, R2 is hydrogen by methods known per se. - 1 - These compounds especially the 1,6-anhydro-3,4-di- O-benzyl-.beta.-D-glucopyranose or the 1,6-anhydro-.beta.-D-gluco- pyranose, can be used as fibrinolytic agents and thrombolytic agents. - 1a -

287559

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