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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 606380Generated: October 30, 2026

Diisopropylethylamine → HCID 178523063, compound

https://huagongshe.com/reaction/606380

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantEthyl 4-oxo-3,4-dihydroquinazoline-2-carboxylateHCID 135437466—
Reactant1-(2-{[2-(1H-1,2,4-triazol-3-ylthio)ethyl]oxy}pyridin-4-yl)methanamine hydrochlorideHCID 178479186—
SolventDimethylacetamideHCID 31374—
ProductHCID 178523063HCID 17852306335%

Reaction Conditions

Temperature90 °C

Reaction Steps

A suspension of ethyl 4-oxo-3,4-dihydro-2-quinazolinecarboxylate obtained according to the methods described in Journal of Organic Chemistry (1978), 43(23), 4485-7 and the like (200 mg, 0.917 mmol), 1-(2-{[2-(1H-1,2,4-triazol-3-ylthio)ethyl]oxy}pyridin-4-yl)methanamine hydrochloride obtained in Reference Example is (343 mg, 1.19 mmol) and diisopropylethylamine (462 mg, 3.57 mmol) in DMA (5 mL) was stirred at 90° C. for 15 hr. After cooling the mixture to room temperature, the resulting solid was collected by filtration, and washed with ethanol. The obtained crude powder was recrystallized from ethanol to give the title compound as a white powder (135 mg, 35%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07915267B2
Source datasetuspto-grants-2011_03
ORD IDord-6a4ef7e3be68446e9e15ba8d14b4c34a
Source noteuspto-grants-2011_03