O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-di-4,6-O-benzyl-D-galactal

Base Information

• Chemical Name: O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-di-4,6-O-benzyl-D-galactal
• CAS No.: 944064-78-2
• Molecular Formula: C₅₄H₅₆O₉
• Molecular Weight: 849.033

Synonyms:O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-di-4,6-O-benzyl-D-galactal

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

Chemical Property:

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

There total 4 articles about O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-di-4,6-O-benzyl-D-galactal 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:

O-(2,3,4,6-tetra-O-benzyl-α,β-D-galactopyranosyl)trichloroacetimidate (132748-02-8) → O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-di-4,6-O-benzyl-D-galactal (944064-78-2)

Guidance literature:

Multi-step reaction with 3 steps

1: 47 percent / tin (II) triflate / CH₂Cl₂; diethyl ether; acetonitrile / 0.5 h / 20 °C

2: tetrabutylammonium fluoride / tetrahydrofuran / 0.5 h / 20 °C

3: 1.2 g / sodium hydride / dimethylformamide / 18 h / 20 °C

With tetrabutyl ammonium fluoride; sodium hydride; tin (II) triflate; In tetrahydrofuran; diethyl ether; dichloromethane; N,N-dimethyl-formamide; acetonitrile;

DOI:10.1021/jo061670b

Reference yield:

1,5-anhydro-6-O-triisopropylsilyl-2-deoxy-D-lyxo-hex-1-enitol (166021-01-8) → O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-di-4,6-O-benzyl-D-galactal (944064-78-2)

Guidance literature:

Multi-step reaction with 3 steps

1: 47 percent / tin (II) triflate / CH₂Cl₂; diethyl ether; acetonitrile / 0.5 h / 20 °C

2: tetrabutylammonium fluoride / tetrahydrofuran / 0.5 h / 20 °C

3: 1.2 g / sodium hydride / dimethylformamide / 18 h / 20 °C

With tetrabutyl ammonium fluoride; sodium hydride; tin (II) triflate; In tetrahydrofuran; diethyl ether; dichloromethane; N,N-dimethyl-formamide; acetonitrile;

DOI:10.1021/jo061670b

Reference yield:

C40H44O9 + benzyl bromide (100-39-0) → O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-di-4,6-O-benzyl-D-galactal (944064-78-2)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide; at 20 ℃; for 18h;

DOI:10.1021/jo061670b

upstream raw materials:

benzyl bromide

O-(2,3,4,6-tetra-O-benzyl-α,β-D-galactopyranosyl)trichloroacetimidate

1,5-anhydro-6-O-triisopropylsilyl-2-deoxy-D-lyxo-hex-1-enitol

O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-6-O-(triisopropylsilyl)-D-galactal

Downstream raw materials:

O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-(di-4,6-O-benzyl-2-nitro-2-deoxy-α-D-galactopyranosyl)-N-(t-butyloxycarbonyl)-L-serine tert-butyl ester

O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->3)-di-4,6-O-benzyl-2-nitro-D-galactal

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