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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 408845Generated: October 25, 2026

Cyclobutylamine → Ethyl 4-(3-cyclobutylureido)benzoate

https://huagongshe.com/reaction/408845

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclobutylamineHCID 75645—
ReactantEthyl 4-isocyanatobenzoateHCID 589805—
SolventDichloromethaneHCID 6344—
ProductEthyl 4-(3-cyclobutylureido)benzoateHCID 435341088.3%

Reaction Steps

Cyclobutylamine (27.91 g, 392.4 mmol, 33.5 mL) was added dropwise to a stirred solution of ethyl 4-isocyanatobenzoate (25 g, 130.8 mmol) in dichloromethane. After 40 minutes stirring, the solid precipitate that had formed was filtered off and dried to afford the title compound (30.28 g). MS (ESI) m/z 263.1 [M+H]+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08759352B2
Source datasetuspto-grants-2014_06
ORD IDord-3caceeb1eeb54af28b9756eaa35284e6
Source noteuspto-grants-2014_06