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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 614553Generated: October 25, 2026

Butyn-2-one → 2-Acetyl-6-methylpyrazolo[1,5-c]quinazolin-5(6H)-one

https://huagongshe.com/reaction/614553

Reaction equation

Participants

RoleNameHCIDCharge
ReactantButyn-2-oneHCID 15018—
ReactantHCID 178481574HCID 178481574—
SolventBenzeneHCID 241—
Product2-Acetyl-6-methylpyrazolo[1,5-c]quinazolin-5(6H)-oneHCID 12961609—

Reaction Steps

To a solution of 5.0 g (0.0288 mole) of 1-methyl-3-diazooxindole in 200 ml of benzene there is added 2.38 g (0.035 mole) of 3-butyn-2-one and the solution refluxed overnight.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04145420
Source datasetuspto-grants-1979_03
ORD IDord-f2ae937178b2488eb0aac7240cc29b14
Source noteuspto-grants-1979_03