2,3-bis-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-α-D-galactopyranosyl bromide

Base Information

Chemical Name:2,3-bis-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-α-D-galactopyranosyl bromide
CAS No.:217970-64-4
Molecular Formula:C₂₄H₂₁Br₃O₉
Molecular Weight:693.137
Hs Code.:

Synonyms:2,3-bis-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-α-D-galactopyranosyl bromide

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Chemical Property of 2,3-bis-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-α-D-galactopyranosyl bromide

Chemical Property:

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Technology Process of 2,3-bis-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-α-D-galactopyranosyl bromide

There total 4 articles about 2,3-bis-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-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: 71.0%

: 1,2,3-tris-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-D-galactopyranoside

: 217970-64-4
2,3-bis-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-α-D-galactopyranosyl bromide

Guidance literature:: With hydrogen bromide; acetic acid; In dichloromethane;
DOI:10.1021/jo981002t

Reference yield:

: 3006-41-5,20771-09-9,25152-90-3,97232-16-1,104022-77-7,113566-67-9,113566-68-0
4,6-O-benzylidene-α,β-D-galactopyranose

: 217970-64-4
2,3-bis-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-α-D-galactopyranosyl bromide

Guidance literature:: Multi-step reaction with 4 steps

1: 90 percent / pyridine / 20 °C

2: 89 percent / AcOH; H₂O / 60 °C

3: 80 percent / pyridine; DMAP / 60 °C

4: 71 percent / HBr; AcOH / CH₂Cl₂

With pyridine; dmap; water; hydrogen bromide; acetic acid; In dichloromethane; 1: Acetylation / 2: Hydrolysis / 3: Acylation / 4: Substitution;
DOI:10.1021/jo981002t

Reference yield:

: 243136-79-0
4,6-O-benzylidene-1,2,3-tris-O-acetyl-D-galactopyranoside

: 217970-64-4
2,3-bis-O-acetyl-4,6-bis-O-(p-bromobenzoyl)-α-D-galactopyranosyl bromide

Guidance literature:: Multi-step reaction with 3 steps

1: 89 percent / AcOH; H₂O / 60 °C

2: 80 percent / pyridine; DMAP / 60 °C

3: 71 percent / HBr; AcOH / CH₂Cl₂

With pyridine; dmap; water; hydrogen bromide; acetic acid; In dichloromethane; 1: Hydrolysis / 2: Acylation / 3: Substitution;
DOI:10.1021/jo981002t