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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1659330Generated: November 1, 2026

Acetone → HCID 135737780, compound

https://huagongshe.com/reaction/1659330

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetoneHCID 180—
Reactant5-(o-Aminophenyl)-4-nitropyrazoleHCID 20560260—
SolventAcetic AcidHCID 176—
ProductHCID 135737780HCID 135737780—

Reaction Steps

A mixture of 20.4 g (0.1 mole) of 5-(o-aminophenyl)-4-nitropyrazole, 300 ml of acetone and 0.3 ml of acetic acid is heated under reflux for 1 hour. After evaporation, 24.0 g (98.5%) of 1-nitro-5,5-dimethyl-5,6-dihydropyrazolo[1,5-c]quinazoline are obtained. M.p.: 193°-195° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04303660
Source datasetuspto-grants-1981_12
ORD IDord-fec0379702d540f6b1abab26cb1f9859
Source noteuspto-grants-1981_12