tert-Butyl 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate

3-((二甲基氨基)亚甲基)-4-氧代吡咯烷-1-羧酸叔丁酯

Also known as: 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylic acid tert-butyl ester, 3-dimethylaminomethylene-4-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester, tert-Butyl (3E)-3-[(dimethylamino)methylene]-4-oxopyrrolidine-1-carboxylate, 1-Boc-3-((dimethylamino)methylene)-4-oxopyrrolidine, tert-butyl (Z)-3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate, tert-butyl 3-(dimethylaminomethylidene)-4-oxopyrrolidine-1-carboxylate, 2-Methyl-2-propanyl (3E)-3-[(dimethylamino)methylene]-4-oxo-1-pyrrolidinecarboxylate, 1-Pyrrolidinecarboxylic acid, 3-[(dimethylamino)methylene]-4-oxo-, 1,1-dimethylethyl ester

tert-Butyl 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate (CAS 157327-42-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H20N2O3 and a molecular weight of 240.299 g/mol. It is also known as 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylic acid tert-butyl ester, 3-dimethylaminomethylene-4-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester and tert-Butyl (3E)-3-[(dimethylamino)methylene]-4-oxopyrrolidine-1-carboxylate. Key properties include a boiling point of 341.0±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 160.1±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
157327-42-9
Jingsj CID
J-1054324-9
Molecular Formula
C12H20N2O3
Chinese Name
3-((二甲基氨基)亚甲基)-4-氧代吡咯烷-1-羧酸叔丁酯
Molecular Weight
240.299 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point341.0±42.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point160.1±27.9 °C

Frequently Asked Questions

What is the CAS number of tert-Butyl 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate?

The CAS number of tert-Butyl 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate is 157327-42-9.

What are the molecular formula and molecular weight of tert-Butyl 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate?

tert-Butyl 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate has molecular formula C12H20N2O3 and molecular weight 240.299 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "tert-Butyl 3-((dimethylamino)methylene)-4-oxopyrrolidine-1-carboxylate (CAS 157327-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1054324-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.