2,3,4,6-Tetra-O-benzyl-alpha-D-glucose

Superiority:

The CAS register number of a-D-Glucopyranose,2,3,4,6-tetrakis-O-(phenylmethyl)- is 6564-72-3. It also can be called as Glucopyranose,2,3,4,6-tetra-O-benzyl-, a-D- (8CI) and the systematic name about this chemical is 2,3,4,6-tetra-O-benzyl-D-glucopyranose. The molecular formula about this chemical is C₃₄H₃₆O₆and the molecular weight is 540.65. It belongs to the following product categories which include Pharmaceutical Intermediates and so on.

Physical properties about a-D-Glucopyranose,2,3,4,6-tetrakis-O-(phenylmethyl)- are: (1)ACD/LogP: 6.00; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 9; (4)ACD/LogD (pH 7.4): 9; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 2005989; (8)ACD/KOC (pH 7.4): 2005921; (9)#H bond acceptors: 6; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 14; (12)Polar Surface Area: 66.38 Å²; (13)Index of Refraction: 1.619; (14)Molar Refractivity: 155.285 cm³; (15)Molar Volume: 442.429 cm³; (16)Polarizability: 61.56x10^-24cm³; (17)Surface Tension: 55.009 dyne/cm; (18)Density: 1.222 g/cm³; (19)Flash Point: 360.441 °C; (20)Enthalpy of Vaporization: 103.758 kJ/mol; (21)Boiling Point: 672.378 °C at 760 mmHg.

Preparation: this chemical can be prepared by benzyl-(tetra-O-benzyl-b-D-glucopyranoside). This reaction will need reagent of ammonium formate and solvent of methanol. This reaction needs catalytic agent of 10percent Pd/Al₂O₃. The reaction time is 12 hours. The yield is about 75%.