Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 622352Generated: October 30, 2026

Ethyl isocyanoacetate → Ethyl4,5-dihydro-4-methyl-5-oxo-6-bromo-imidazo(1,5-a)quinazoline-3-carboxylate

https://huagongshe.com/reaction/622352

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl isocyanoacetateHCID 533707—
ReactantHCID 14460512HCID 14460512—
ProductEthyl4,5-dihydro-4-methyl-5-oxo-6-bromo-imidazo(1,5-a)quinazoline-3-carboxylateHCID 21287685—

Reaction Steps

M.p. 272° C. by reaction between 3-methyl-5-bromo-1,2,3,4-tetrahydro-2,4-dioxo-quinazoline and ethyl isocyanoacetate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04771051
Source datasetuspto-grants-1988_09
ORD IDord-950b5de45ef445d89e5b01734248632e
Source noteuspto-grants-1988_09