(2S,4R)-4-Azido-1-(2-bromo-acetyl)-pyrrolidine-2-carboxylic acid benzyl ester

Base Information

• Chemical Name: (2S,4R)-4-Azido-1-(2-bromo-acetyl)-pyrrolidine-2-carboxylic acid benzyl ester
• CAS No.: 185304-20-5
• Molecular Formula: C₁₄H₁₅BrN₄O₃
• Molecular Weight: 367.202
• Mol file: 185304-20-5.mol

Synonyms:(2S,4R)-4-Azido-1-(2-bromo-acetyl)-pyrrolidine-2-carboxylic acid benzyl ester

Chemical Property of (2S,4R)-4-Azido-1-(2-bromo-acetyl)-pyrrolidine-2-carboxylic acid benzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

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• Hazard Codes: 

MSDS Files:

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Technology Process of (2S,4R)-4-Azido-1-(2-bromo-acetyl)-pyrrolidine-2-carboxylic acid benzyl ester

There total 4 articles about (2S,4R)-4-Azido-1-(2-bromo-acetyl)-pyrrolidine-2-carboxylic 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: 80.0%

2-bromoacetyl chloride (22118-09-8) + (2S,4R)-4-Azido-pyrrolidine-2-carboxylic acid benzyl ester → (2S,4R)-4-Azido-1-(2-bromo-acetyl)-pyrrolidine-2-carboxylic acid benzyl ester (185304-20-5)

Guidance literature:

With sodium carbonate; In 1,4-dioxane;

DOI:10.1016/0040-4020(96)00924-6

Reference yield:

N-(tert-butoxycarbonyl)-(2S,4R)-4-hydroxyproline benzyl ester (89813-47-8) → (2S,4R)-4-Azido-1-(2-bromo-acetyl)-pyrrolidine-2-carboxylic acid benzyl ester (185304-20-5)

Guidance literature:

Multi-step reaction with 4 steps

1: 60 percent / DEAD, Ph₃P / tetrahydrofuran

2: 80 percent / NaN₃ / dimethylformamide / 3 h / 50 °C

3: TFA / CH₂Cl₂ / 1 h

4: 80 percent / aq. Na₂CO₃ / dioxane

With sodium azide; sodium carbonate; triphenylphosphine; trifluoroacetic acid; diethylazodicarboxylate; In tetrahydrofuran; 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/0040-4020(96)00924-6

Reference yield:

(2S,4R)-2-benzyl 1-tert-butyl 4-azidopyrrolidine-1,2-dicarboxylate (185304-19-2) → (2S,4R)-4-Azido-1-(2-bromo-acetyl)-pyrrolidine-2-carboxylic acid benzyl ester (185304-20-5)

Guidance literature:

Multi-step reaction with 2 steps

1: TFA / CH₂Cl₂ / 1 h

2: 80 percent / aq. Na₂CO₃ / dioxane

With sodium carbonate; trifluoroacetic acid; In 1,4-dioxane; dichloromethane;

DOI:10.1016/0040-4020(96)00924-6

upstream raw materials:

2-bromoacetyl chloride

N-(tert-butoxycarbonyl)-(2S,4R)-4-hydroxyproline benzyl ester

(2S,4R)-2-benzyl 1-tert-butyl 4-azidopyrrolidine-1,2-dicarboxylate

(2S,4S)-4-(Toluene-4-sulfonyloxy)-pyrrolidine-1,2-dicarboxylic acid 2-benzyl ester 1-tert-butyl ester

Downstream raw materials:

(2S,4R)-1-[2-(4-Amino-2-oxo-2H-pyrimidin-1-yl)-acetyl]-4-azido-pyrrolidine-2-carboxylic acid benzyl ester

(2S,4R)-4-Azido-1-[2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-acetyl]-pyrrolidine-2-carboxylic acid benzyl ester