Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1163860Generated: October 29, 2026

Diethyl (ethoxymethylene)malonate → HCID 54315930, compound

https://huagongshe.com/reaction/1163860

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl (ethoxymethylene)malonateHCID 6871—
Reactant2-Methoxy-1-PyrrolineHCID 353443—
ReactantAmmonium AcetateHCID 517165—
ProductHCID 54315930HCID 543159307.1%

Reaction Steps

According to HU-Patent Specification No. 167 676 2-methoxy-1-pyrroline is heated with diethyl-ethoxymethylene-malonate for 8 hours in the presence of ammonium acetate and the reaction mixture is processed in a complicated manner to give ethyl 4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine with a yield of 7.1%. No melting point of the product is given, the product is characterized only by IR and PMR spectra.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04367229
Source datasetuspto-grants-1983_01
ORD IDord-9e324a26c9254c95b33828ac5f9a3824
Source noteuspto-grants-1983_01