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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 868669Generated: 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/868669

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 numberUS04780539
Source datasetuspto-grants-1988_10
ORD IDord-29ffd01484984db9b479819a9b21c120
Source noteuspto-grants-1988_10