6-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α-D-galactopyranosyl bromide

Base Information

Chemical Name:6-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α-D-galactopyranosyl bromide
CAS No.:143826-44-2
Molecular Formula:C₅₁H₅₅BrO₁₂
Molecular Weight:939.894
Hs Code.:

Synonyms:6-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α-D-galactopyranosyl bromide

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 6-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α-D-galactopyranosyl bromide

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Technology Process of 6-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α-D-galactopyranosyl bromide

There total 4 articles about 6-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α-D-galactopyranosyl bromide 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: 100.0%

: 143826-43-1
1,6-di-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α/β-D-galactopyranose

: 143826-44-2
6-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α-D-galactopyranosyl bromide

Guidance literature:: With titanium(IV) bromide; In dichloromethane; ethyl acetate; at 0 ℃; for 0.916667h;
DOI:10.1016/S0040-4020(01)88221-1

Reference yield:

: 88567-49-1,88567-50-4,93361-01-4,101802-94-2,101802-97-5,127875-38-1
6-O-acetyl-2,3,4-tri-O-benzyl-α/β-D-galactopyranoside

: 143826-44-2
6-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α-D-galactopyranosyl bromide

Guidance literature:: Multi-step reaction with 4 steps

1: 100 percent / potassium carbonate / CH₂Cl₂ / 4.5 h

2: 70 percent / trimethylsilyl trifluoromethanesulfonate, powdered 4-Angstroem molecular sieves / diethyl ether; CH₂Cl₂ / 1.25 h / -45 °C

3: 94 percent / acetic acid, trifluoroacetic acid / 1 h / Ambient temperature

4: 100 percent / titanium tetrabromide / CH₂Cl₂; ethyl acetate / 0.92 h / 0 °C

With trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve; titanium(IV) bromide; potassium carbonate; acetic acid; trifluoroacetic acid; In diethyl ether; dichloromethane; ethyl acetate;
DOI:10.1016/S0040-4020(01)88221-1

Reference yield:

: 125164-10-5,125164-11-6,143826-39-5,143826-40-8
6-O-acetyl-2,3,4-tri-O-benzyl-α/β-D-galactopyranosyl trichloroacetimidate

: 143826-44-2
6-O-acetyl-2,4-di-O-benzyl-3-O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-α-D-galactopyranosyl bromide

Guidance literature:: Multi-step reaction with 3 steps

1: 70 percent / trimethylsilyl trifluoromethanesulfonate, powdered 4-Angstroem molecular sieves / diethyl ether; CH₂Cl₂ / 1.25 h / -45 °C

2: 94 percent / acetic acid, trifluoroacetic acid / 1 h / Ambient temperature

3: 100 percent / titanium tetrabromide / CH₂Cl₂; ethyl acetate / 0.92 h / 0 °C

With trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve; titanium(IV) bromide; acetic acid; trifluoroacetic acid; In diethyl ether; dichloromethane; ethyl acetate;
DOI:10.1016/S0040-4020(01)88221-1