Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1659353Generated: November 3, 2026

Cyclohexanecarboxaldehyde → 1-Nitro-5-cyclohexyl-5,6-dihydropyrazolo[1,5-c]quinazoline

https://huagongshe.com/reaction/1659353

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclohexanecarboxaldehydeHCID 16275—
Reactant5-(o-Aminophenyl)-4-nitropyrazoleHCID 20560260—
Product1-Nitro-5-cyclohexyl-5,6-dihydropyrazolo[1,5-c]quinazolineHCID 13573778273.8%

Reaction Steps

5-(o-Aminophenyl)-4-nitropyrazole is reacted with hexahydrobenzaldehyde as described in Example 11 to give 1-nitro-5-cyclohexyl-5,6-dihydropyrazolo[1,5-c]quinazoline. M.p.: 150°-152° C. Yield: 73.8%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04303660
Source datasetuspto-grants-1981_12
ORD IDord-2d30d1d51f5a452da8d949f94cb1999e
Source noteuspto-grants-1981_12