2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α,β-D-galactopyranosyl fluoride

Base Information

Chemical Name:2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α,β-D-galactopyranosyl fluoride
CAS No.:525585-41-5
Molecular Formula:C₆₁H₆₃FO₁₀
Molecular Weight:975.164
Hs Code.:

Synonyms:2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α,β-D-galactopyranosyl fluoride

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Chemical Property of 2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α,β-D-galactopyranosyl fluoride

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Technology Process of 2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α,β-D-galactopyranosyl fluoride

There total 7 articles about 2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α,β-D-galactopyranosyl fluoride 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:

: (3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-((2S,3R,4S,5S,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ol

: 525585-41-5
2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α,β-D-galactopyranosyl fluoride

Guidance literature:: With diethylamino-sulfur trifluoride; In tetrahydrofuran; at 20 ℃; for 1h;
DOI:10.1016/S0040-4020(02)01359-5

Reference yield:

: 100-39-0
benzyl bromide

: 525585-41-5
2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α,β-D-galactopyranosyl fluoride

Guidance literature:: Multi-step reaction with 3 steps

1: 67 percent / NaH / dimethylformamide / 12 h / -15 - 20 °C

2: PdCl₂; sodium acetate / acetic acid; H₂O / 18 h / 20 °C

3: 160 mg / (diethylamino)sulfur trifluoride / tetrahydrofuran / 1 h / 20 °C

With diethylamino-sulfur trifluoride; sodium acetate; sodium hydride; palladium dichloride; In tetrahydrofuran; water; acetic acid; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(02)01359-5

Reference yield:

: 37111-91-4
allyl 2,6-di-O-benzyl-α-D-galactopyranoside

: 525585-41-5
2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α,β-D-galactopyranosyl fluoride

Guidance literature:: Multi-step reaction with 6 steps

1.1: pyridinium p-toluenesulfonate / acetonitrile / 0.17 h

1.2: 100 percent / acetic acid / acetonitrile; H₂O / 1.5 h

2.1: 96 percent / trimethylsilyl trifluoromethanesulfonate; molecular sieves 4 Angstroem / CH₂Cl₂ / 2 h / -15 °C

3.1: sodium methoxide / methanol / 1 h / 20 °C

4.1: 67 percent / NaH / dimethylformamide / 12 h / -15 - 20 °C

5.1: PdCl₂; sodium acetate / acetic acid; H₂O / 18 h / 20 °C

6.1: 160 mg / (diethylamino)sulfur trifluoride / tetrahydrofuran / 1 h / 20 °C

With diethylamino-sulfur trifluoride; trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve; sodium methylate; sodium acetate; pyridinium p-toluenesulfonate; sodium hydride; palladium dichloride; In tetrahydrofuran; methanol; dichloromethane; water; acetic acid; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0040-4020(02)01359-5