(R)-5-methylene-1-(4-nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid methyl ester

Base Information

• Chemical Name: (R)-5-methylene-1-(4-nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid methyl ester
• CAS No.: 437553-77-0
• Molecular Formula: C₁₃H₁₄N₂O₆S
• Molecular Weight: 326.33
• Mol file: 437553-77-0.mol

Synonyms:(R)-5-methylene-1-(4-nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid methyl ester

Chemical Property of (R)-5-methylene-1-(4-nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (R)-5-methylene-1-(4-nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid methyl ester

There total 3 articles about (R)-5-methylene-1-(4-nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid methyl 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: 75.0%

(R)-2-(4-nitrobenzenesulfonylamino)hex-5-ynoic acid methyl ester (437553-64-5) → (R)-5-methylene-1-(4-nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid methyl ester (437553-77-0)

Guidance literature:

With iodobenzene; potassium carbonate; triphenylphosphine; palladium diacetate; In tetrahydrofuran; for 0.5h; Heating;

DOI:10.1002/1615-4169(200201)344:1<70::AID-ADSC70>3.0.CO;2-1

Reference yield:

(R)-2-Amino-hex-5-ynoic acid methyl ester → (R)-5-methylene-1-(4-nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid methyl ester (437553-77-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 604 mg / Et₃N / CH₂Cl₂ / 16 h / 20 °C

2: 75 percent / K₂CO₃; PPh₃; PhI / Pd(OAc)2 / tetrahydrofuran / 0.5 h / Heating

With iodobenzene; potassium carbonate; triethylamine; triphenylphosphine; palladium diacetate; In tetrahydrofuran; dichloromethane;

DOI:10.1002/1615-4169(200201)344:1<70::AID-ADSC70>3.0.CO;2-1

Reference yield:

(R)-2-amino-5-hexynoic acid (211054-02-3) → (R)-5-methylene-1-(4-nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid methyl ester (437553-77-0)

Guidance literature:

Multi-step reaction with 3 steps

1: SOCl₂ / 5 h / 70 °C

2: 604 mg / Et₃N / CH₂Cl₂ / 16 h / 20 °C

3: 75 percent / K₂CO₃; PPh₃; PhI / Pd(OAc)2 / tetrahydrofuran / 0.5 h / Heating

With thionyl chloride; iodobenzene; potassium carbonate; triethylamine; triphenylphosphine; palladium diacetate; In tetrahydrofuran; dichloromethane;

DOI:10.1002/1615-4169(200201)344:1<70::AID-ADSC70>3.0.CO;2-1

upstream raw materials:

(R)-2-(4-nitrobenzenesulfonylamino)hex-5-ynoic acid methyl ester

(R)-2-amino-5-hexynoic acid