(2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide

Base Information

• Chemical Name: (2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide
• CAS No.: 344615-50-5
• Molecular Formula: C₅₂H₇₈N₄O₈Si₃
• Molecular Weight: 971.47
• Mol file: 344615-50-5.mol

Synonyms:(2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide

Chemical Property of (2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide

There total 1 articles about (2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide 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: 100.0%

(2S,3R,4R,5S)-N-methyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide (344615-49-2) + methyl iodide (74-88-4) → (2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide (344615-50-5)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide; at 0 ℃; for 1.5h;

DOI:10.1016/S0040-4039(01)00246-5

Reference yield: 62.0%

(2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide (344615-50-5) → (1'S,3S,4R,5S)-3-azido-4-benzyloxy-5-[2'-(tert-butyldimethylsilyloxy)-1'-[2-(trimethylsilyl)ethoxymethoxy]ethyl]-3-(tert-butyldiphenylsilyloxymethyl)-2-oxo-tetrahydrofuran (344615-51-6)

Guidance literature:

(2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide; With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water; at 20 ℃; for 3h;

With pyridinium p-toluenesulfonate; In toluene; at 70 ℃; for 24h;

DOI:10.1016/S0040-4020(02)01058-X

Reference yield:

(2S,3R,4R,5S)-N,N-dimethyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide (344615-50-5) → (2'E,1'S,3S,4R,5R)-3-benzamido-4-benzoyloxy-3-(tert-butyldiphenylsilyloxymethyl)-5-[3'-iodo-1'-[2-(trimethylsilyl)ethoxymethoxy]prop-2'-en-1'-yl]-2-oxo-tetrahydrofuran (344615-55-0)

Guidance literature:

Multi-step reaction with 7 steps

1.1: 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂; H₂O / 3 h / 20 °C

1.2: 62 percent / pyridinium p-toluenesulfonate / toluene / 24 h / 70 °C

2.1: 61 percent / NaBrO₃; NaHSO₃ / ethyl acetate; H₂O / 1 h / 20 °C

3.1: H₂ / Pd/C / ethyl acetate / 14 h / 20 °C

4.1: 0.24 g / 4-(dimethylamino)pyridine; triethylamine / CH₂Cl₂ / 2 h / 20 °C

5.1: 87 percent / H₂SO₄ / H₂O; acetone / 13 h / 20 °C

6.1: Dess-Martin periodinane / CH₂Cl₂ / 1.5 h / 20 °C

7.1: 0.12 g / CrCl₂ / tetrahydrofuran / 3 h / 0 - 20 °C

With chromium dichloride; dmap; sodium bromate; sulfuric acid; hydrogen; Dess-Martin periodane; sodium hydrogensulfite; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; palladium on activated charcoal; In tetrahydrofuran; dichloromethane; water; ethyl acetate; acetone;

DOI:10.1016/S0040-4020(02)01058-X

upstream raw materials:

(2S,3R,4R,5S)-N-methyl-2-azido-3-benzyloxy-6-(tert-butyldimethylsilyloxy)-2-(tert-butyldiphenylsilyloxymethyl)-4-(p-methoxybenzyloxy)-5-[2-(trimethylsilyl)ethoxymethoxy]hexanoamide

methyl iodide

Downstream raw materials:

2-azido-3-benzyloxy-6-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-4-hydroxy-5-(2-trimethylsilanyl-ethoxymethoxy)-hexanoic acid dimethylamide

(1'S,3S,4R,5S)-3-azido-4-benzyloxy-5-[2'-(tert-butyldimethylsilyloxy)-1'-[2-(trimethylsilyl)ethoxymethoxy]ethyl]-3-(tert-butyldiphenylsilyloxymethyl)-2-oxo-tetrahydrofuran

sphingofungin E

(1'S,3S,4R,5S)-3-azido-5-[2'-(tert-butyldimethylsilyloxy)-1'-[2-(trimethylsilyl)ethoxymethoxy]ethyl]-3-(tert-butyldiphenylsilyloxymethyl)-4-hydroxy-2-oxo-tetrahydrofuran