The strategy for the synthesis as depicted in Scheme I involves ... Thus, 3,4,6 tri-0-acety ID-glucal (2) obtained f rom D-glucose 6 , ... Compound ,? was deacetylated using catalytic amount of sodium ... C-6 protons in lH NMR. The mass and IR were in agreement with ... 9 Using the procedure of Rasmussen , compound 6 was converted ... THF. The formation of xanthate derivative was evident from its ... IH NMR which showed downfield shift for multiplet of proton at C-7.
