2-deoxy-2-isorhodanate-1,3,4,6-tetra-O-benzyl-beta-D-glucopyranose, and synthetic method and application thereof
A technology of isothiocyanate and glucopyranose, applied in chemical instruments and methods, sugar derivatives, sugar derivatives, etc., can solve the problems of high risk and low yield, and achieve safe yield and side effects The effect of less product and easy operation
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Embodiment 1
[0021] Example 1, a 2-deoxy-2-isothiocyanate-1,3,4,6-tetra-O-benzyl- β -D-glucopyranose, its molecular formula is as follows:
[0022]
Embodiment 2
[0023] Example 2, a 2-deoxy-2-isothiocyanate-1,3,4,6-tetra-O-benzyl- β -D-glucopyranose synthetic method, it is characterized in that, first 2-deoxy-2-amino-1,3,4,6-tetra-O-benzyl- β -D-pyranose hydrochloride, carbon disulfide and triethylamine are reacted, and then reacted with p-toluenesulfonyl chloride to obtain 2-deoxy-2-isothiocyanate-1,3,4,6-tetra-O- Benzyl- β -D-glucopyranose; reaction with acetonitrile as solvent, 2-deoxy-2-amino-1,3,4,6-tetra-O-benzyl- β - The molar ratio of D-pyranose hydrochloride to carbon disulfide, triethylamine and p-toluenesulfonyl chloride is 1:1.2:3.0:1, the reaction temperature is 0°C, and the reaction time is 1 hour.
Embodiment 3
[0024] Example 3, a 2-deoxy-2-isothiocyanate-1,3,4,6-tetra-O-benzyl- β -D-glucopyranose synthetic method, it is characterized in that, first 2-deoxy-2-amino-1,3,4,6-tetra-O-benzyl- β -D-pyranose hydrochloride, carbon disulfide and triethylamine are reacted, and then reacted with p-toluenesulfonyl chloride to obtain 2-deoxy-2-isothiocyanate-1,3,4,6-tetra-O- Benzyl- β -D-glucopyranose; reaction with acetonitrile as solvent, 2-deoxy-2-amino-1,3,4,6-tetra-O-benzyl- β - The molar ratio of D-pyranose hydrochloride to carbon disulfide, triethylamine and p-toluenesulfonyl chloride is 1.2:1:3.5:1.2, the reaction temperature is 0°C, and the reaction time is 2 hours.
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