1-Piperazinecarboxylic acid, 4-(5-fluoro-2-nitrophenyl)-, 1,1-dimethylethyl ester

Base Information

• Chemical Name: 1-Piperazinecarboxylic acid, 4-(5-fluoro-2-nitrophenyl)-, 1,1-dimethylethyl ester
• CAS No.: 475279-74-4
• Molecular Formula: C15H20FN3O4
• Molecular Weight: 325.34
• Mol file: 475279-74-4.mol

Synonyms:tert-butyl 4-(5-fluoro-2-nitrophenyl)piperazin-1-carboxylate;t-butyl 4-(5-fluoro-2-nitrophenyl)piperazine-1-carboxylate;4-(5-Fluoro-2-nitro-phenyl)-piperazine-1-carboxylic acid tert-butyl ester;

Chemical Property of 1-Piperazinecarboxylic acid, 4-(5-fluoro-2-nitrophenyl)-, 1,1-dimethylethyl ester

Chemical Property:

• Boiling Point: 448.6±45.0 °C(Predicted)
• PSA: 78.60000
• Density: 1.270±0.06 g/cm3(Predicted)
• LogP: 3.31710

Purity/Quality:

99%, ^*data from raw suppliers

tert-Butyl 4-(5-fluoro-2-nitrophenyl)-piperazine-1-carboxylate 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-Piperazinecarboxylic acid, 4-(5-fluoro-2-nitrophenyl)-, 1,1-dimethylethyl ester

There total 2 articles about 1-Piperazinecarboxylic acid, 4-(5-fluoro-2-nitrophenyl)-, 1,1-dimethylethyl 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%

2,4-Difluoronitrobenzene (446-35-5) + 1-t-Butoxycarbonylpiperazine (57260-71-6) → tert-butyl 4-(5-fluoro-2-nitrophenyl)piperazine-1-carboxylate (475279-74-4)

Guidance literature:

With potassium carbonate; In 1,4-dioxane; at 20 ℃; for 120h; regioselective reaction; Inert atmosphere;

DOI:10.1021/ol902353t

Reference yield: 88.0%

2,4-Difluoronitrobenzene (446-35-5) + 1-t-Butoxycarbonylpiperazine (57260-71-6) → tert-butyl-4-(3-fluoro-4-nitrophenyl)piperazin-1-carboxylate + tert-butyl 4-(5-fluoro-2-nitrophenyl)piperazine-1-carboxylate (475279-74-4)

Guidance literature:

With potassium carbonate; at 20 ℃; for 120h; regioselective reaction; Inert atmosphere; Ionic liquid;

DOI:10.1021/ol902353t

Reference yield: 48.0%

m-chlorobenzylamine (4152-90-3) + tert-butyl 4-(5-fluoro-2-nitrophenyl)piperazine-1-carboxylate (475279-74-4) → t-butyl 4-(5-(3-chlorobenzylamino)-2-nitrophenyl)piperazine-1-carboxylate

Guidance literature:

With N-ethyl-N,N-diisopropylamine; In acetonitrile; at 80 ℃; for 72h;

upstream raw materials:

2,4-Difluoronitrobenzene

1-t-Butoxycarbonylpiperazine

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