toluene-4-sulfonic acid 2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl ester

Base Information

• Chemical Name: toluene-4-sulfonic acid 2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl ester
• CAS No.: 716345-83-4
• Molecular Formula: C₂₀H₂₄N₂O₇S
• Molecular Weight: 436.486
• Mol file: 716345-83-4.mol

Synonyms:toluene-4-sulfonic acid 2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl ester

Chemical Property of toluene-4-sulfonic acid 2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of toluene-4-sulfonic acid 2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl ester

There total 7 articles about toluene-4-sulfonic acid 2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl 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: 98.0%

p-toluenesulfonyl chloride (98-59-9) + [2-hydroxy-1-(2-nitro-phenyl)-ethyl]-carbamic acid tert-butyl ester (716345-81-2) → toluene-4-sulfonic acid 2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl ester (716345-83-4)

Guidance literature:

With pyridine; at 20 ℃; for 8h;

DOI:10.1016/j.bmc.2004.02.039

Reference yield:

di-tert-butyl dicarbonate (24424-99-5) → toluene-4-sulfonic acid 2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl ester (716345-83-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 99.6 percent / triethylamine / methanol / 2 h

2: 98 percent / pyridine / 8 h / 20 °C

With pyridine; triethylamine; In methanol;

DOI:10.1016/j.bmc.2004.02.039

Reference yield:

1-(2-nitrophenyl)ethane-1,2-diol (51673-59-7) → toluene-4-sulfonic acid 2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl ester (716345-83-4)

Guidance literature:

Multi-step reaction with 5 steps

1: 98.2 percent / thionyl chloride; triethylamine / CH₂Cl₂ / 0.5 h / cooling

2: 92.5 percent / sodium azide / dimethylformamide / 2 h / 60 °C

3: 91 percent / triphenylphosphine / tetrahydrofuran; H₂O / 1 h / 70 °C

4: 99.6 percent / triethylamine / methanol / 2 h

5: 98 percent / pyridine / 8 h / 20 °C

With pyridine; thionyl chloride; sodium azide; triethylamine; triphenylphosphine; In tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; 3: Staudinger reduction;

DOI:10.1016/j.bmc.2004.02.039

upstream raw materials:

p-toluenesulfonyl chloride

[2-hydroxy-1-(2-nitro-phenyl)-ethyl]-carbamic acid tert-butyl ester

di-tert-butyl dicarbonate

1-(2-nitrophenyl)ethane-1,2-diol

Downstream raw materials:

thioacetic acid S-[2-tert-butoxycarbonylamino-2-(2-nitro-phenyl)-ethyl] ester

C₆₀H₉₄N₂₀O₁₁S

1-(2-nitrophenyl)-2-(triphenylmethylthio)ethylamine

[2-mercapto-1-(2-nitro-phenyl)-ethyl]-carbamic acid tert-butyl ester