{4-[{[5-(2-tert-butoxycarbonylamino-3-carbamoyl-propionylamino)-pentylcarbamoyl]-methyl}-(2-nitro-benzenesulfonyl)-amino]-butyl}-carbamic acid benzyl ester

Base Information

• Chemical Name: {4-[{[5-(2-tert-butoxycarbonylamino-3-carbamoyl-propionylamino)-pentylcarbamoyl]-methyl}-(2-nitro-benzenesulfonyl)-amino]-butyl}-carbamic acid benzyl ester
• CAS No.: 437718-31-5
• Molecular Formula: C₃₄H₄₉N₇O₁₁S
• Molecular Weight: 763.869
• Mol file: 437718-31-5.mol

Synonyms:

Chemical Property of {4-[{[5-(2-tert-butoxycarbonylamino-3-carbamoyl-propionylamino)-pentylcarbamoyl]-methyl}-(2-nitro-benzenesulfonyl)-amino]-butyl}-carbamic acid benzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of {4-[{[5-(2-tert-butoxycarbonylamino-3-carbamoyl-propionylamino)-pentylcarbamoyl]-methyl}-(2-nitro-benzenesulfonyl)-amino]-butyl}-carbamic acid benzyl ester

There total 9 articles about {4-[{[5-(2-tert-butoxycarbonylamino-3-carbamoyl-propionylamino)-pentylcarbamoyl]-methyl}-(2-nitro-benzenesulfonyl)-amino]-butyl}-carbamic acid benzyl 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:

N-(tert-butyloxycarbonyl)-L-asparagine p-nitrophenyl ester (4587-33-1) → {4-[{[5-(2-tert-butoxycarbonylamino-3-carbamoyl-propionylamino)-pentylcarbamoyl]-methyl}-(2-nitro-benzenesulfonyl)-amino]-butyl}-carbamic acid benzyl ester (437718-31-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 97 percent / Et₃N / dimethylformamide / 0 - 20 °C

2: 85 percent / 2-mercaptoethanol; DBU / dimethylformamide / 0.5 h / 20 °C

3: dimethylformamide / 0.5 h / 20 °C

With 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; 2-hydroxyethanethiol; In N,N-dimethyl-formamide;

DOI:10.1016/j.tet.2006.06.051

Reference yield:

benzyl chloroformate (501-53-1,94274-21-2) → {4-[{[5-(2-tert-butoxycarbonylamino-3-carbamoyl-propionylamino)-pentylcarbamoyl]-methyl}-(2-nitro-benzenesulfonyl)-amino]-butyl}-carbamic acid benzyl ester (437718-31-5)

Guidance literature:

Multi-step reaction with 5 steps

1: 95 percent / Et₃N / CH₂Cl₂ / 0 - 20 °C

2: 86 percent / Cs₂CO₃ / dimethylformamide / 0.5 h / 50 °C

3: 86 percent / NaOH / methanol; H₂O / 2 h / 20 °C

4: DCC / CH₂Cl₂ / 4 h / 0 °C

5: dimethylformamide / 0.5 h / 20 °C

With sodium hydroxide; caesium carbonate; triethylamine; dicyclohexyl-carbodiimide; In methanol; dichloromethane; water; N,N-dimethyl-formamide;

DOI:10.1016/j.tet.2006.06.051

Reference yield:

N-(4-aminobutan-1-yl)-2-nitrobenzenesulfonamide (211512-13-9) → {4-[{[5-(2-tert-butoxycarbonylamino-3-carbamoyl-propionylamino)-pentylcarbamoyl]-methyl}-(2-nitro-benzenesulfonyl)-amino]-butyl}-carbamic acid benzyl ester (437718-31-5)

Guidance literature:

Multi-step reaction with 5 steps

1: 95 percent / Et₃N / CH₂Cl₂ / 0 - 20 °C

2: 86 percent / Cs₂CO₃ / dimethylformamide / 0.5 h / 50 °C

3: 86 percent / NaOH / methanol; H₂O / 2 h / 20 °C

4: DCC / CH₂Cl₂ / 4 h / 0 °C

5: dimethylformamide / 0.5 h / 20 °C

With sodium hydroxide; caesium carbonate; triethylamine; dicyclohexyl-carbodiimide; In methanol; dichloromethane; water; N,N-dimethyl-formamide;

DOI:10.1016/j.tet.2006.06.051

upstream raw materials:

N-[N^α-(tert-butoxycarbonyl)-L-asparaginyl]-1,5-diaminopentane

[(4-benzyloxycarbonylamino-butyl)-(2-nitro-benzenesulfonyl)-amino]-acetic acid 2,5-dioxo-pyrrolidin-1-yl ester

N-(tert-butyloxycarbonyl)-L-asparagine p-nitrophenyl ester

benzyl chloroformate

Downstream raw materials:

N-[N^α-(1H-indol-3-ylacetyl)-L-asparaginyl]-N'-[7-((benzyloxycarbonyl)amino)-3-(2-nitrobenzenesulfonyl)-3-azaheptanoyl]-1,5-diaminopentane