Synthesis of ~(13)C_6-1,2:5,6-Di-O-isopropylidene-α-D-glucofuranose
Journal of Isotopes(2011)
摘要
With concentrated sulfuric acid as the catalytic agent,13C6-1,2:5,6-Di-O-isopropylidene-α-D-glucofuranose was synthesized with D-glucose-13C6 and acetone.13C labeled 1,2:5,6-Di-O-isopropylidene-α-D-glucofuranose was characterized by GC and MS.The reaction conditions were optimized to be as follows: the molar ratio of [D-glucose-13C6]∶[acetone] = 1∶73.5,the volume of concentrated sulfuric acid = 10 mL,the reaction temperature = 25 ℃,and the reaction time = 12 h.Under these conditions,the yield of 13C6-1,2:5,6-Di-O-isopropylidene-α-D-glucofuranose was 75.6%(based on D-glucose-13C6),with 99.2% 13C atom abundance and 98.7% chemical purity.
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关键词
13C6-1,abundance of 13C,6-Di-O-isopropylidene-α-D-glucofuranose,2:5,synthesis
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