ChemicalBook CAS DataBase List BETA-GENTIOBIOSE OCTAACETATE

BETA-GENTIOBIOSE OCTAACETATE synthesis

6synthesis methods

Product Name:BETA-GENTIOBIOSE OCTAACETATE
CAS Number:4613-78-9
Molecular formula:C28H38O19
Molecular Weight:678.59

74808-10-9 Synthesis

2,3,4,6-TETRA-O-ACETYL-ALPHA-D-GLUCOPYRANOSYL TRICHLOROACETIMIDATE

74808-10-9
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$60.00/25mg

2,3,4,6-TETRA-O-ACETYL-BETA-D-GLUCOPYRANOSE

13100-46-4
116 suppliers
$68.29/1g

4613-78-9
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Yield:4613-78-9 43%

Reaction Conditions:

Stage #1: O-(2,3,4,6-Tetra-O-acetyl-α-D-glucopyranosyl)trichloroacetimidate;1,2,3,4-tetra-O-acetyl-β-D-glucopyranose in dichloromethane at 20; for 1 h;Inert atmosphere;Molecular sieve;
Stage #2: with trimethylsilyl trifluoromethanesulfonate in dichloromethane at -40; for 16 h;Inert atmosphere;Molecular sieve;diastereoselective reaction;

References:

Weber, Julia;Mikula, Hannes;Fruhmann, Philipp;Hametner, Christian;Varga, Elisabeth;Berthiller, Franz;Krska, Rudolf;Fr?hlich, Johannes [Synlett,2013,vol. 24,# 14,art. no. ST-2013-D0484-L,p. 1830 - 1834] Location in patent:supporting information

13100-46-4
116 suppliers
$68.29/1g