Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-(4-nitro-benzyloxycarbonylamino)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester

Base Information

• Chemical Name: Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-(4-nitro-benzyloxycarbonylamino)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester
• CAS No.: 276241-24-8
• Molecular Formula: C₂₂H₂₄Cl₃N₃O₁₂
• Molecular Weight: 628.804
• Mol file: 276241-24-8.mol

Synonyms:Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-(4-nitro-benzyloxycarbonylamino)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester

Chemical Property of Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-(4-nitro-benzyloxycarbonylamino)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-(4-nitro-benzyloxycarbonylamino)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester

There total 8 articles about Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-(4-nitro-benzyloxycarbonylamino)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester 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: 90.0%

trichloroacetonitrile (545-06-2) + 2-N-p-nitrobenzyloxycarbonyl-3,4,6-tri-O-acetyl-D-galactosamine → Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-(4-nitro-benzyloxycarbonylamino)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester (276241-24-8)

Guidance literature:

With 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; at -10 ℃;

DOI:10.1016/S0960-894X(00)00107-4

Reference yield:

2-N-p-nitrobenzyloxycarbonyl-1,3,4,6-tetra-O-acetyl-D-galactosamine (276241-41-9) → Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-(4-nitro-benzyloxycarbonylamino)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester (276241-24-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 74 percent / benzylamine / tetrahydrofuran / 14 h

2: 55 percent / K₂CO₃ / CH₂Cl₂

With potassium carbonate; benzylamine; In tetrahydrofuran; dichloromethane; 1: Deacetylation / 2: Addition;

DOI:10.1021/ja001224k

Reference yield:

trichloroacetonitrile (545-06-2) + 2-N-p-nitrobenzyloxycarbonyl-1,3,4,6-tetra-O-acetyl-β-D-galactosamine (914772-33-1) → Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-(4-nitro-benzyloxycarbonylamino)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester (276241-24-8)

Guidance literature:

2-N-p-nitrobenzyloxycarbonyl-1,3,4,6-tetra-O-acetyl-β-D-galactosamine; With hydrazinium monoacetate; In N,N-dimethyl-formamide; at 0 ℃; for 2h;

trichloroacetonitrile; With 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; at -10 ℃; for 5h;

DOI:10.1016/j.tetlet.2006.08.008

upstream raw materials:

trichloroacetonitrile

2-N-p-nitrobenzyloxycarbonyl-1,3,4,6-tetra-O-acetyl-β-D-galactosamine

β-D-galactosamine hydrochloride

4-nitrobenzyl chloroformate

Downstream raw materials:

2,2-Dimethyl-propionic acid (2R,3S,4S,5R,6S)-6-allyloxy-4-[(2S,3R,4R,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-3-(4-nitro-benzyloxycarbonylamino)-tetrahydro-pyran-2-yloxy]-3,5-dihydroxy-tetrahydro-pyran-2-ylmethyl ester

Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-6-((2S,3R,4R,5R,6R)-3-acetylamino-5-hydroxy-6-hydroxymethyl-2-methoxy-tetrahydro-pyran-4-yloxy)-5-(4-nitro-benzyloxycarbonylamino)-tetrahydro-pyran-4-yl ester

Acetic acid (2R,3R,4R,5R,6S)-3-acetoxy-2-acetoxymethyl-5-amino-6-[(2R,3S,4R,5R,6R)-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-4-hydroxy-6-methoxy-tetrahydro-pyran-3-yloxy]-tetrahydro-pyran-4-yl ester

Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-acetylamino-6-[(4aR,6S,7R,8R,8aR)-7-acetylamino-6-methoxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy]-tetrahydro-pyran-4-yl ester