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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1579571Generated: November 3, 2026

Water → HCID 21508305, compound

https://huagongshe.com/reaction/1579571

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium hydrideHCID 24758—
ReactantMethyl 2-bromo-2-methylpropionateHCID 90097—
ReactantHCID 21508257HCID 21508257—
SolventDimethylformamideHCID 6228—
ProductHCID 21508305HCID 21508305—

Reaction Steps

To a suspension of 9 g of sodium hydride (50 percent in oil) in 150 ml of anhydrous dimethylformamide were added drop-by-drop and while stirring 22.2 g (0.15 mol) of 2-methyl-3-hydroxy-benzofuran, care being taken to maintain the temperature at about 30°-35°C. The reaction medium was stirred for a further 15 minutes and then 27.2 g (0.15 mol) of methyl α-bromoisobutyrate were added, the temperature being maintained at 35°-40°C. Stirring was continued for 24 hours at room temperature, the reaction mixture was poured into water and extracted several times with ether. The ethereal extracts were collected, washed with water and dried over anhydrous sodium sulphate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03931240
Source datasetuspto-grants-1976_01
ORD IDord-a329899f93af4451805695351c04cac2
Source noteuspto-grants-1976_01