Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1835944Generated: October 30, 2026

Ethyl cyanoacetate → HCID 178510881, compound

https://huagongshe.com/reaction/1835944

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl cyanoacetateHCID 7764—
Reactant2,3-DiaminopyridineHCID 9956—
ProductHCID 178510881HCID 178510881—

Reaction Steps

Ethyl cyanoacetate (1.5 eq) and 2,3-diaminopyridine (1 eq) were heated at 185° C. for 30 minutes. The reaction mixture was cooled to room temperature and the black solid was triturated with ether. The desired product was thus obtained as a dark brown powder. LC/MS m/z 159.1 (MH+), Rt 0.44 minutes.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06774237B2
Source datasetuspto-grants-2004_08
ORD IDord-89fcbba001684ca8af6093eb659901a7
Source noteuspto-grants-2004_08