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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1189056Generated: October 26, 2026

1(2H)-Phthalazinone → 2-(4-(pyridin-2-yl)but-3-ynyl)phthalazin-1(2H)-one

https://huagongshe.com/reaction/1189056

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1(2H)-PhthalazinoneHCID 8394—
Reactant4-(Pyridin-2-yl)but-3-yn-1-olHCID 11008063—
Product2-(4-(pyridin-2-yl)but-3-ynyl)phthalazin-1(2H)-oneHCID 1150735211,449.3%

Reaction Steps

The title compound was prepared in accordance with the general method of Example 3(B), from 4-(pyridin-2-yl)but-3-yn-1-ol (102 mg, 0.69 mmol, Example 3(A)) and phthalazin-1(2H)-one (152 mg, 1.04 mmol). The crude residue was purified by flash chromatography (DCM/MeOH 99:1 to 97:3) followed by bulb-to-bulb distillation (100° C., 0.1 mbar) to yield 22 mg (79 mmol, 11%) of 2-(4-(pyridin-2-yl)but-3-ynyl)phthalazin-1(2H)-one as a brown solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08674106B2
Source datasetuspto-grants-2014_03
ORD IDord-940e571ceae04adb847fa3d38e99a095
Source noteuspto-grants-2014_03