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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 442202Generated: October 29, 2026

HCID 891083, compound → HCID 135705323, compound

https://huagongshe.com/reaction/442202

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 891083HCID 891083—
ReactantEthyl 8-ethoxy-3,4-dihydro-7-methoxy-4-oxopyrimido[4,5-b]quinoline-2-carboxylateHCID 135705344—
ProductHCID 135705323HCID 135705323—

Reaction Steps

Ethyl 7-methoxy-8-ethoxypyrimido[4,5-b]quinoline-4(3H)-one-2-carboxylate is similarly prepared according to procedures A-C, beginning with 3-methoxy-4-ethoxy-6-nitrobenzaldehyde. It melts at 264°-265° C. (dec.)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04044134
Source datasetuspto-grants-1977_08
ORD IDord-b9bf4531499848dca2bbd7bbdb569285
Source noteuspto-grants-1977_08