4-Nitro-benzoic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester

Base Information

• Chemical Name: 4-Nitro-benzoic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester
• CAS No.: 176214-58-7
• Molecular Formula: C₃₅H₃₇NO₅S₂Si
• Molecular Weight: 643.9
• Mol file: 176214-58-7.mol

Synonyms:4-Nitro-benzoic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester

Chemical Property of 4-Nitro-benzoic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-Nitro-benzoic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester

There total 8 articles about 4-Nitro-benzoic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-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: 67.0%

4-Nitro-benzoic acid (1S,2S)-1-(2,2-bis-benzylsulfanyl-ethyl)-3-(tert-butyl-diphenyl-silanyloxy)-2-methanesulfonyloxy-propyl ester (176214-57-6) → 4-Nitro-benzoic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester (176214-58-7)

Guidance literature:

With triethylamine; sodium iodide; In butanone;

DOI:10.1016/0040-4039(96)00139-6

Reference yield:

L-arabinose dibenzyl dithioacetal (40733-11-7) → 4-Nitro-benzoic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester (176214-58-7)

Guidance literature:

Multi-step reaction with 7 steps

1: H₂SO₄, CuSO₄

2: 1.) t-BuOK, 2.) LiAlH₄ / 1.) THF, DMSO, 2.) THF

3: 68 percent / DIAD, PPh₃ / tetrahydrofuran

4: Dowex H(+) / methanol

5: DMAP, imidazole / CH₂Cl₂

6: DMAP / CH₂Cl₂

7: 67 percent / NaI, Et₃N / butan-2-one

With 1H-imidazole; dmap; lithium aluminium tetrahydride; di-isopropyl azodicarboxylate; Dowex H(+); sulfuric acid; potassium tert-butylate; copper(II) sulfate; triethylamine; triphenylphosphine; sodium iodide; In tetrahydrofuran; methanol; dichloromethane; butanone;

DOI:10.1016/0040-4039(96)00139-6

Reference yield:

tert-butylchlorodiphenylsilane (58479-61-1) → 4-Nitro-benzoic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester (176214-58-7)

Guidance literature:

Multi-step reaction with 3 steps

1: DMAP, imidazole / CH₂Cl₂

2: DMAP / CH₂Cl₂

3: 67 percent / NaI, Et₃N / butan-2-one

With 1H-imidazole; dmap; triethylamine; sodium iodide; In dichloromethane; butanone;

DOI:10.1016/0040-4039(96)00139-6

upstream raw materials:

4-Nitro-benzoic acid (1S,2S)-1-(2,2-bis-benzylsulfanyl-ethyl)-3-(tert-butyl-diphenyl-silanyloxy)-2-methanesulfonyloxy-propyl ester

L-arabinose dibenzyl dithioacetal

tert-butylchlorodiphenylsilane

2-Deoxy-4,5-O-isopropylidene-L-erythro-pent-1-enose dibenzyl dithioacetal

Downstream raw materials:

Benzoyl-carbamic acid (2R,3S)-5-benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-yl ester

(2R,3S)-5-Benzylsulfanyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-thiophen-3-ol