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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 365245Generated: October 31, 2026

Ethyl isocyanate → N-ethyl-N'-3-(1-pyrrolidinyl)propylurea

https://huagongshe.com/reaction/365245

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl isocyanateHCID 8022—
Reactant1-PyrrolidinepropanamineHCID 31670—
SolventChloroformHCID 6212—
ProductN-ethyl-N'-3-(1-pyrrolidinyl)propylureaHCID 1587143296.4%

Reaction Steps

To a solution of 27.7 gm (0.39 mole) ethyl isocyanate in 250 mL chloroform were added 50 gm (0.39 mole) 3-(1-pyrrolidinyl)propylamine dropwise with cooling. Once the addition was complete, the cooling bath was removed and the reaction mixture stirred at room temperature for 4 hours. The reaction mixture was then concentrated under reduced pressure to give 74.5 gm (96.4%) of the desired urea as a clear oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06126932
Source datasetuspto-grants-2000_10
ORD IDord-ea250dc8156443db89fa58eaf174d3c0
Source noteuspto-grants-2000_10