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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 519529Generated: October 27, 2026

Ethyl 2-[(2'-cyanobiphenyl-4-yl)methyl]-3-oxohexanoate → 4'-{[4-(1,4-Dioxaspiro[4.5]dec-8-yl)-5-oxo-7-propyl-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrile

https://huagongshe.com/reaction/519529

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-[(2'-cyanobiphenyl-4-yl)methyl]-3-oxohexanoateHCID 10020734—
ReactantN-(1,4-dioxaspiro[4.5]dec-8-yl)-4H-1,2,4-triazol-3-amineHCID 178420920—
Product4'-{[4-(1,4-Dioxaspiro[4.5]dec-8-yl)-5-oxo-7-propyl-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrileHCID 6700880857.2%

Reaction Conditions

Temperature250 °C

Reaction Steps

A mixture of ethyl 2-[(2′-cyanobiphenyl-4-yl)methyl]-3-oxohexanoate (1.9 g) and N-(1,4-dioxaspiro[4.5]dec-8-yl)-4H-1,2,4-triazol-3-amine (0.6 g) was stirred at 250° C. for 20 min under microwave irradiation. The obtained reaction mixture was purified by silica gel column chromatography to give the title compound as a colorless solid (0.78 g, 56%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115136B2
Source datasetuspto-grants-2015_08
ORD IDord-1e083b4b5f6842cca9cfea9b5a8c8838
Source noteuspto-grants-2015_08