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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 238363Generated: October 26, 2026

Triethylamine → 2-(1-Methyl-1H-pyrazol-5-yl)-1H-benzo[f]isoindol-1,3(2H)-dione

https://huagongshe.com/reaction/238363

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantNaphtho(2,3-c)furan-1,3-dioneHCID 69743—
Reactant2-Methyl-2H-pyrazol-3-ylamineHCID 136927—
SolventTolueneHCID 1140—
Product2-(1-Methyl-1H-pyrazol-5-yl)-1H-benzo[f]isoindol-1,3(2H)-dioneHCID 8668486687.6%

Reaction Steps

Triethylamine (1.10 mL) was added to a toluene (14 mL) suspension that contained 1-methyl-1H-pyrazol-5-amine (400 mg) and 2,3-naphthalenedicarboxylic anhydride (816 mg), and the obtained solution was then heated to reflux for 2 hours. Thereafter, the reaction solution was cooled to a room temperature, and the precipitated solid was then collected by filtration. The collected solid was washed with ethyl acetate, so as to obtain the title compound (1.00 g) in the form of a colorless solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642626B2
Source datasetuspto-grants-2014_02
ORD IDord-788b2b43ce4b47b5a5a35bfe3df41dd7
Source noteuspto-grants-2014_02