{2-[(2R,3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-trimethyl-silane

Base Information

• Chemical Name: {2-[(2R,3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-trimethyl-silane
• CAS No.: 143834-55-3
• Molecular Formula: C₄₀H₅₀O₇Si
• Molecular Weight: 670.918
• Mol file: 143834-55-3.mol

Synonyms:{2-[(2R,3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-trimethyl-silane

Chemical Property of {2-[(2R,3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-trimethyl-silane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of {2-[(2R,3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-trimethyl-silane

There total 3 articles about {2-[(2R,3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-trimethyl-silane 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: 67.0%

benzyl chloride (100-44-7) + 2-(trimethylsilyl)ethyl 3-O-p-methoxybenzyl-β-D-galactopyranoside (143834-54-2) → {2-[(2R,3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-trimethyl-silane (143834-55-3)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide; for 14h;

DOI:10.1016/S0040-4039(02)02407-3

Reference yield:

2-(trimethylsilyl)ethyl β-D-galactopyranoside (117252-95-6) → {2-[(2R,3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-trimethyl-silane (143834-55-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 76 percent / n-Bu₂SnO / benzene / 2 h / 80 °C

2: 67 percent / NaH / dimethylformamide / 14 h

With sodium hydride; di(n-butyl)tin oxide; In N,N-dimethyl-formamide; benzene;

DOI:10.1016/S0040-4039(02)02407-3

Reference yield:

p-methoxybenzyl chloride (824-94-2) → {2-[(2R,3R,4S,5S,6R)-3,5-Bis-benzyloxy-6-benzyloxymethyl-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-trimethyl-silane (143834-55-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 76 percent / n-Bu₂SnO / benzene / 2 h / 80 °C

2: 67 percent / NaH / dimethylformamide / 14 h

With sodium hydride; di(n-butyl)tin oxide; In N,N-dimethyl-formamide; benzene;

DOI:10.1016/S0040-4039(02)02407-3

upstream raw materials:

benzyl chloride

2-(trimethylsilyl)ethyl 3-O-p-methoxybenzyl-β-D-galactopyranoside

2-(trimethylsilyl)ethyl β-D-galactopyranoside

p-methoxybenzyl chloride

Downstream raw materials:

2-(Trimethylsilyl)ethyl 2,4,6-tri-O-benzyl-β-D-galactopyranoside

Diazo-acetic acid (2R,3S,4S,5R,6R)-3,5-bis-benzyloxy-2-benzyloxymethyl-6-(2-trimethylsilanyl-ethoxy)-tetrahydro-pyran-4-yl ester