benzyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside

Base Information

Chemical Name:benzyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside
CAS No.:493019-65-1
Molecular Formula:C₆₉H₆₇NO₁₂
Molecular Weight:1102.29
Hs Code.:

Synonyms:benzyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside

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Chemical Property of benzyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside

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Technology Process of benzyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside

There total 6 articles about benzyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 66.0%

: 74801-29-9
phenyl-2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside

: 493019-64-0
benzyl 3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside

: 493019-65-1
benzyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside

Guidance literature:: With 4 A molecular sieve; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In diethyl ether; dichloromethane; toluene; at 20 ℃; for 2h;
DOI:10.1016/S0008-6215(02)00222-7

Reference yield:

: 115533-35-2
ethyl 3,6-di-O-benzyl-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside

: 493019-65-1
benzyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 5 steps

1: CH₂Cl₂; pyridine / 2.5 h / 0 - 20 °C

2: 1.18 g / dimethylformamide / 20 °C

3: 97 percent / molecular sieves 4 Angstroem; dimethyl(thiomethyl)sulfonium triflate / CH₂Cl₂; toluene; diethyl ether / 2 h / 20 °C

4: 95 percent / NaOMe / methanol / 8 h / 20 °C

5: 66 percent / molecular sieves 4 Angstroem; dimethyl(thiomethyl)sulfonium triflate / CH₂Cl₂; toluene; diethyl ether / 2 h / 20 °C

With 4 A molecular sieve; sodium methylate; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In pyridine; methanol; diethyl ether; dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1016/S0008-6215(02)00222-7

Reference yield:

: 100-51-6,185532-71-2
benzyl alcohol

: 493019-65-1
benzyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: 97 percent / molecular sieves 4 Angstroem; dimethyl(thiomethyl)sulfonium triflate / CH₂Cl₂; toluene; diethyl ether / 2 h / 20 °C

2: 95 percent / NaOMe / methanol / 8 h / 20 °C

3: 66 percent / molecular sieves 4 Angstroem; dimethyl(thiomethyl)sulfonium triflate / CH₂Cl₂; toluene; diethyl ether / 2 h / 20 °C

With 4 A molecular sieve; sodium methylate; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In methanol; diethyl ether; dichloromethane; toluene;
DOI:10.1016/S0008-6215(02)00222-7