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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 7589Generated: October 25, 2026

Cyclopentanecarbonyl chloride → 7-[1-(Cyclopentylcarbonyl)-4-piperidinyl]-5-ethyl-2-phenylimidazo[5,1-f][1,2,4]triazin-4(3H)-one

https://huagongshe.com/reaction/7589

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopentanecarbonyl chlorideHCID 78284—
Reactant5-ethyl-2-phenyl-7-(4-piperidinyl)imidazo[5,1-f][1,2,4]triazin-4(3H)-oneHCID 135752610—
Product7-[1-(Cyclopentylcarbonyl)-4-piperidinyl]-5-ethyl-2-phenylimidazo[5,1-f][1,2,4]triazin-4(3H)-oneHCID 135752645—

Reaction Steps

In analogy to the procedure for Example 103 Step (b), 30 mg (0.09 mmol) 5-ethyl-2-phenyl-7-(4-piperidinyl)imidazo[5,1-f][1,2,4]triazin-4(3H)-one, 14 mg (0.10 mmol) cyclopentanecarbonyl chloride are stirred at room temperature overnight, proportionate amounts of the solvents are used.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07087605B2
Source datasetuspto-grants-2006_08
ORD IDord-68fa38bc4e1d4b57ae1257ff098cfd25
Source noteuspto-grants-2006_08