Ethyl 1-Boc-2-Oxopyrrolidine-3-Carboxylate

Base Information

• Chemical Name: Ethyl 1-Boc-2-Oxopyrrolidine-3-Carboxylate
• CAS No.: 188528-95-2
• Molecular Formula: C12H19NO5
• Molecular Weight: 257.28300
• Mol file: 188528-95-2.mol

Synonyms:2-Oxo-pyrrolidine-1,3-dicarboxylic acid 1-tert-butyl ester 3-ethyl ester;1-tert-butyl 2-oxopyrrolidine-1,3-dicarboxylate 3-ethyl ester;1,3-Pyrrolidinedicarboxylic acid, 2-oxo-, 1-(1,1-dimethylethyl) 3-ethylester;

Chemical Property of Ethyl 1-Boc-2-Oxopyrrolidine-3-Carboxylate

Chemical Property:

• Boiling Point: 375.0±35.0 °C(Predicted)
• PKA: 13.26±0.20(Predicted)
• PSA: 72.91000
• Density: 1.182±0.06 g/cm3(Predicted)
• LogP: 1.27100
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

98% or more ^*data from raw suppliers

1-tert-Butyl3-ethyl2-oxopyrrolidine-1,3-dicarboxylate 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Ethyl 1-Boc-2-Oxopyrrolidine-3-Carboxylate

There total 5 articles about Ethyl 1-Boc-2-Oxopyrrolidine-3-Carboxylate 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: 73.0%

N-(tert-butoxycarbonyl)aziridine (97308-23-1) + diethyl malonate (105-53-3) → 1-(tert-butyl) 3-ethyl 2-oxopyrrolidine-1,3-dicarboxylate (188528-95-2)

Guidance literature:

With sodium hydride; In tetrahydrofuran; Heating;

DOI:10.3987/com-96-7638

Reference yield: 67.0%

chloroformic acid ethyl ester (541-41-3) → 1-(tert-butyl) 3-ethyl 2-oxopyrrolidine-1,3-dicarboxylate (188528-95-2)

Guidance literature:

tert-butyl 2-oxopyrrolidine-1-carboxylate; With lithium hexamethyldisilazane; In tetrahydrofuran; at -78 ℃; for 0.833333h;

chloroformic acid ethyl ester; In tetrahydrofuran; at -78 - 20 ℃; for 4h;

Reference yield: 29.15%

chloroformic acid ethyl ester (541-41-3) + tert-butyl 2-oxopyrrolidine-1-carboxylate (85909-08-6) → 1-(tert-butyl) 3-ethyl 2-oxopyrrolidine-1,3-dicarboxylate (188528-95-2)

Guidance literature:

With lithium hexamethyldisilazane; In tetrahydrofuran; at -70 ℃; for 0.5h; Inert atmosphere;

upstream raw materials:

N-(tert-butoxycarbonyl)aziridine

diethyl malonate

chloroformic acid ethyl ester

di-tert-butyl dicarbonate

Downstream raw materials:

C₁₈H₂₁FN₄O₅

Refernces

• 1、 -. "1-(2H)-ISOQUINOLONE DERIVATIVE". Page/Page column 108. . Retrieved 2008/06/13.