O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose

Base Information

Chemical Name:O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose
CAS No.:171071-80-0
Molecular Formula:C₄₉H₅₄O₂₂
Molecular Weight:994.955
Hs Code.:

O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose

Synonyms:O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose

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Chemical Property of O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose

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Technology Process of O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose

There total 4 articles about O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose 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: 83.0%

: 108-24-7
acetic anhydride

: 171071-79-7
2-(Trimethylsilyl)ethyl O-(methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranoside

: 171071-80-0
O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose

Guidance literature:: With boron trifluoride diethyl etherate; In toluene; at 0 ℃; for 2h;

Reference yield:

: 121360-14-3
2-(trimethylsilyl)ethyl 3-O-benzyl-β-D-galactopyranoside

: 171071-80-0
O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose

Guidance literature:: Multi-step reaction with 3 steps

1: 48 percent / 3 Angstroem molecular sieves, N-iodosuccinimide, TMS*OTf / acetonitrile / 2 h / -40 °C

2: 92 percent / pyridine / CH₂Cl₂ / Ambient temperature

3: 83 percent / BF₃*OEt₂ / toluene / 2 h / 0 °C

With pyridine; N-iodo-succinimide; trimethylsilyl trifluoromethanesulfonate; 3 A molecular sieve; boron trifluoride diethyl etherate; In dichloromethane; toluene; acetonitrile;

Reference yield:

: 171071-78-6
2-(Trimethylsilyl)ethyl O-(methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-3-O-benzyl-β-D-galactopyranoside

: 171071-80-0
O-(Methyl 4,5,7,8,9-penta-O-acetyl-3-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-1-O-acetyl-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranose

Guidance literature:: Multi-step reaction with 2 steps

1: 92 percent / pyridine / CH₂Cl₂ / Ambient temperature

2: 83 percent / BF₃*OEt₂ / toluene / 2 h / 0 °C

With pyridine; boron trifluoride diethyl etherate; In dichloromethane; toluene;