6-O-acetyl-2,4-di-O-benzyl-3-O-(3,6-di-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-α-D-galactopyranosyl bromid

Base Information

Chemical Name:6-O-acetyl-2,4-di-O-benzyl-3-O-(3,6-di-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-α-D-galactopyranosyl bromid
CAS No.:81087-11-8
Molecular Formula:C₃₉H₄₄BrN₃O₁₂
Molecular Weight:826.695
Hs Code.:

Synonyms:

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Chemical Property of 6-O-acetyl-2,4-di-O-benzyl-3-O-(3,6-di-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-α-D-galactopyranosyl bromid

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Technology Process of 6-O-acetyl-2,4-di-O-benzyl-3-O-(3,6-di-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-α-D-galactopyranosyl bromid

There total 5 articles about 6-O-acetyl-2,4-di-O-benzyl-3-O-(3,6-di-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-α-D-galactopyranosyl bromid 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:

: 1,6-di-O-acetyl-2,4-di-O-benzyl-3-O-(3,6-di-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-D-galactopyranose

: 81087-11-8
6-O-acetyl-2,4-di-O-benzyl-3-O-(3,6-di-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-α-D-galactopyranosyl bromid

Guidance literature:: With titanium(IV) bromide; In dichloromethane; ethyl acetate; for 0.583333h;
DOI:10.1016/S0008-6215(00)80791-0

Reference yield:

: 77710-74-8
6-O-Acetyl-2-azido-4-O-benzyl-2-desoxy-3-O-trichloracetyl-α-D-galactopyranosylbromid

: 81087-11-8
6-O-acetyl-2,4-di-O-benzyl-3-O-(3,6-di-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-α-D-galactopyranosyl bromid

Guidance literature:: Multi-step reaction with 5 steps

1: 73.5 percent / silbersilicate / CH₂Cl₂ / 16 h / -20 deg C - room temperature

2: 87 percent / ammonia / diethyl ether / 0.5 h

3: 97.5 percent / pyridine / 15 h

4: 98 percent / trifluoroacetic acid / 12 h / Ambient temperature

5: TiBr₄ / CH₂Cl₂; ethyl acetate / 0.58 h

With pyridine; silbersilicate; ammonia; titanium(IV) bromide; trifluoroacetic acid; In diethyl ether; dichloromethane; ethyl acetate;
DOI:10.1016/S0008-6215(00)80791-0

Reference yield:

: 80874-22-2
3-O-(6-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-1,6-anhydro-2,4-di-O-benzyl-β-D-galactopyranose

: 81087-11-8
6-O-acetyl-2,4-di-O-benzyl-3-O-(3,6-di-O-acetyl-2-azido-4-O-benzyl-2-desoxy-β-D-galactopyranosyl)-α-D-galactopyranosyl bromid

Guidance literature:: Multi-step reaction with 3 steps

1: 97.5 percent / pyridine / 15 h

2: 98 percent / trifluoroacetic acid / 12 h / Ambient temperature

3: TiBr₄ / CH₂Cl₂; ethyl acetate / 0.58 h

With pyridine; titanium(IV) bromide; trifluoroacetic acid; In dichloromethane; ethyl acetate;
DOI:10.1016/S0008-6215(00)80791-0