(methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate

Base Information

Chemical Name:(methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate
CAS No.:666748-40-9
Molecular Formula:C₅₁H₅₅Cl₃N₂O₂₂
Molecular Weight:1154.36
Hs Code.:

(methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate

Synonyms:(methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate

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Chemical Property of (methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate

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Technology Process of (methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate

There total 5 articles about (methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate 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: 96.0%

: 545-06-2
trichloroacetonitrile

: (2R,4S,5R,6R)-4-Acetoxy-5-(2-acetoxy-acetylamino)-2-((2R,3S,4S,5R)-3,5-bis-benzoyloxy-4-benzyloxy-6-hydroxy-tetrahydro-pyran-2-ylmethoxy)-6-((1S,2R)-1,2,3-triacetoxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester

: 666748-40-9
(methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate

Guidance literature:: With 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; at 0 ℃; for 0.75h;
DOI:10.1081/CAR-120026602

Reference yield:

: 93-97-0
benzoic acid anhydride

: 666748-40-9
(methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate

Guidance literature:: Multi-step reaction with 3 steps

1: 91 percent / pyridine; DMAP / 20 °C

2: 97 percent / TFA / CH₂Cl₂ / 2 h / 20 °C

3: 96 percent / DBU / CH₂Cl₂ / 0.75 h / 0 °C

With pyridine; dmap; 1,8-diazabicyclo[5.4.0]undec-7-ene; trifluoroacetic acid; In dichloromethane;
DOI:10.1081/CAR-120026602

Reference yield:

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

: 666748-40-9
(methyl 5-acetoxyacetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->6)-2,4-di-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl trichloroacetimidate

Guidance literature:: Multi-step reaction with 4 steps

1: 67 percent / NIS; TfOH / acetonitrile / 12 h / -35 °C

2: 91 percent / pyridine; DMAP / 20 °C

3: 97 percent / TFA / CH₂Cl₂ / 2 h / 20 °C

4: 96 percent / DBU / CH₂Cl₂ / 0.75 h / 0 °C

With pyridine; dmap; N-iodo-succinimide; trifluorormethanesulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; trifluoroacetic acid; In dichloromethane; acetonitrile;
DOI:10.1081/CAR-120026602