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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1661138Generated: October 30, 2026

Dimethylformamide → HCID 67430909, compound

https://huagongshe.com/reaction/1661138

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantPotassium CarbonateHCID 11430—
Reactant(2H-1,3-benzodioxol-5-yl)boronic acidHCID 2734371—
Reactanttert-Butyl 5-bromonicotinateHCID 18422124—
CatalystPalladiumHCID 23938—
SolventWaterHCID 962—
ProductHCID 67430909HCID 6743090988.1%

Reaction Conditions

Temperature90 °C

Reaction Steps

In a flask was placed tert-butyl 5-bromonicotinate (1.00 g, 3.87 mmol), 10% w/w palladium on carbon (210 mg, ˜0.2 mmol Pd), potassium carbonate (1.10 g, 7.96 mmol), 3,4-methylenedioxy-phenyl boronic acid (0.96 g, 5.79 mmol), dimethylformamide (50 mL) and water (250 L). The flask was purged with nitrogen and then heated, with stirring, to 90° C. for 15 hr. The reaction mixture was allowed to cool, diluted with water (350 mL) and extracted with CH2Cl2 (4X). The combined extracts was washed with water, dried (MgSO4) and concentrated in vacuo. The crude residue was purified by flash chromatography on silica (gradient, CH2Cl2 to 50% ether/CH2Cl2) to provide an off-white solid (1.02 g, 88%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08030336B2
Source datasetuspto-grants-2011_10
ORD IDord-bb91667b12d04c4e8eb42e3621febe7c
Source noteuspto-grants-2011_10