methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside

Base Information

Chemical Name:methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside
CAS No.:220886-36-2
Molecular Formula:C₆₃H₆₄O₁₀
Molecular Weight:981.195
Hs Code.:

Synonyms:methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside

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Chemical Property of methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside

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Technology Process of methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside

There total 4 articles about methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside 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: 82.0%

: methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-1-hydroxy-α,β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside

: 220886-36-2
methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside

Guidance literature:: With triethylsilane; boron trifluoride diethyl etherate; In dichloromethane; acetonitrile;
DOI:10.1002/(sici)1099-0690(199902)1999:2<471::aid-ejoc471>3.0.co;2-2

Reference yield:

: 40653-32-5,641635-63-4
methyl 2,3,4-tri-O-benzyl-β-D-galactopyranoside

: 220886-36-2
methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1: 84 percent / pyridinium chlorochromate, 4 Angstroem MS / CH₂Cl₂ / 2 h / Ambient temperature

2: 87 percent / triphenylphosphane / CH₂Cl₂ / 2 h / 0 °C

3: 1.) BuLi / 1.) hexane, THF, -10 deg C, 1.5 h, 2.) hexane, THF, -78 deg C to r.t., then 1.5 h, r.t.

4: 82 percent / triethylsilane, BF₃*Et₂O / CH₂Cl₂; acetonitrile

With triethylsilane; n-butyllithium; 4 Angstroem MS; boron trifluoride diethyl etherate; triphenylphosphine; pyridinium chlorochromate; In dichloromethane; acetonitrile;
DOI:10.1002/(sici)1099-0690(199902)1999:2<471::aid-ejoc471>3.0.co;2-2

Reference yield:

: 117305-40-5
methyl 2,3,4-tri-O-benzyl-β-D-galacto-hexodialdo-1,5-pyranoside

: 220886-36-2
methyl 2,3,4-tri-O-benzyl-6,7-dideoxy-7-C-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galacto-hept-6-ynopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: 87 percent / triphenylphosphane / CH₂Cl₂ / 2 h / 0 °C

2: 1.) BuLi / 1.) hexane, THF, -10 deg C, 1.5 h, 2.) hexane, THF, -78 deg C to r.t., then 1.5 h, r.t.

3: 82 percent / triethylsilane, BF₃*Et₂O / CH₂Cl₂; acetonitrile

With triethylsilane; n-butyllithium; boron trifluoride diethyl etherate; triphenylphosphine; In dichloromethane; acetonitrile;
DOI:10.1002/(sici)1099-0690(199902)1999:2<471::aid-ejoc471>3.0.co;2-2