(S)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-nitrobenzenesulfonylamino)butyramide

Base Information

• Chemical Name: (S)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-nitrobenzenesulfonylamino)butyramide
• CAS No.: 1253798-49-0
• Molecular Formula: C₂₀H₂₅N₃O₇S
• Molecular Weight: 451.5

Synonyms:(S)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-nitrobenzenesulfonylamino)butyramide

Chemical Property of (S)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-nitrobenzenesulfonylamino)butyramide

Chemical Property:

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (S)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-nitrobenzenesulfonylamino)butyramide

There total 2 articles about (S)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-nitrobenzenesulfonylamino)butyramide 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: 94.0%

(S)-2-(2-nitrobenzenesulfonylamino)butyric acid (686339-92-4) + 2-(3,4-dimethoxyphenyl)-ethylamine (120-20-7) → (S)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-nitrobenzenesulfonylamino)butyramide (1253798-49-0)

Guidance literature:

With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In tetrahydrofuran; for 5h;

DOI:10.1002/cmdc.201000230

Reference yield:

2-Nitrobenzenesulfonyl chloride (1694-92-4) → (S)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-nitrobenzenesulfonylamino)butyramide (1253798-49-0)

Guidance literature:

Multi-step reaction with 2 steps

1.1: sodium hydroxide / water / 0.08 h

1.2: 15.3 h / 20 °C / Reflux

2.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / tetrahydrofuran / 5 h

With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; sodium hydroxide; In tetrahydrofuran; water;

DOI:10.1002/cmdc.201000230

Reference yield: 95.0%

(S)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(2-nitrobenzenesulfonylamino)butyramide (1253798-49-0) + allyl bromide (106-95-6) → (S)-2-[allyl-(2-nitrobenzenesulfonyl)amino]-N-[2-(3,4-dimethoxyphenyl)ethyl]butyramide (1253798-37-6)

Guidance literature:

With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate; In acetonitrile; at 20 - 50 ℃; for 4.5h;

DOI:10.1002/cmdc.201000230

upstream raw materials:

(S)-2-(2-nitrobenzenesulfonylamino)butyric acid

2-(3,4-dimethoxyphenyl)-ethylamine

2-Nitrobenzenesulfonyl chloride

Downstream raw materials:

(3S,11bR)-N-[2-(3,4-dimethoxyphenyl)ethyl]-2-[3-ethyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrazino[2,1-a]isoquinolin-2-yl]acetamide

(1'R,3S,11bR)-2-[(6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)methyl]-3-ethyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrazino[2,1-a]isoquinoline

(1'S,3S,11bR)-2-[(6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)methyl]-3-ethyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrazino[2,1-a]isoquinoline

(2'RS,2S)-2-[2,3-dihydroxypropyl-(2-nitrobenzenesulfonyl)amino]-N-[2-(3,4-dimethoxyphenyl)ethyl]butyramide

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