benzyl 2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->2)-[2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->4)]-3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside

Base Information

Chemical Name:benzyl 2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->2)-[2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->4)]-3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside
CAS No.:729599-37-5
Molecular Formula:C₄₉H₆₄O₂₁
Molecular Weight:989.035
Hs Code.:

Synonyms:benzyl 2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->2)-[2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->4)]-3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside

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Chemical Property of benzyl 2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->2)-[2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->4)]-3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside

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Technology Process of benzyl 2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->2)-[2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->4)]-3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside

There total 4 articles about benzyl 2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->2)-[2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->4)]-3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside 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: 66.0%

: 128571-86-8
2,3,4-tri-O-acetyl-α-L-fucopyranosyl trichloroacetimidate

: 729599-34-2
benzyl 3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside

: 729599-37-5
benzyl 2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->2)-[2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->4)]-3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside

Guidance literature:: benzyl 3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside; With boron trifluoride diethyl etherate; In dichloromethane; at -60 ℃;

2,3,4-tri-O-acetyl-α-L-fucopyranosyl trichloroacetimidate; In dichloromethane; at -60 - 20 ℃; for 2h;
DOI:10.1016/j.carres.2004.03.020

Reference yield:

: 3282-30-2
pivaloyl chloride

: 729599-37-5
benzyl 2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->2)-[2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->4)]-3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1.1: 76 percent / pyridine / 2 h / 0 °C

2.1: 4A MS; BF₃*Et₂O / CH₂Cl₂ / -60 °C

2.2: 66 percent / CH₂Cl₂ / 2 h / -60 - 20 °C

With boron trifluoride diethyl etherate; In pyridine; dichloromethane;
DOI:10.1016/j.carres.2004.03.020

Reference yield:

: 65451-98-1
3-O-benzyl-1,2:5,6-di-O-isopropylidene-α-D-galactofuranose

: 729599-37-5
benzyl 2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->2)-[2,3,4-tri-O-acetyl-β-L-fucopyranosyl-(1->4)]-3-O-benzyl-6-O-pivaloyl-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1.1: aq. HOAc / 12 h / 90 °C

1.2: acetyl chloride / 0 - 20 °C

2.1: 76 percent / pyridine / 2 h / 0 °C

3.1: 4A MS; BF₃*Et₂O / CH₂Cl₂ / -60 °C

3.2: 66 percent / CH₂Cl₂ / 2 h / -60 - 20 °C

With boron trifluoride diethyl etherate; acetic acid; In pyridine; dichloromethane;
DOI:10.1016/j.carres.2004.03.020