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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1729054Generated: October 26, 2026

Carbon tetrabromide → 4-(2-Bromoethyl)-5-methyl-2-phenyloxazole

https://huagongshe.com/reaction/1729054

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbon tetrabromideHCID 11205—
ReactantTriphenylphosphineHCID 11776—
Reactant2-(5-Methyl-2-phenyl-4-oxazolyl)ethanolHCID 725585—
SolventDiethyl EtherHCID 3283—
Product4-(2-Bromoethyl)-5-methyl-2-phenyloxazoleHCID 1561644260.1%

Reaction Conditions

Temperature0 °C

Reaction Steps

2-(5-Methyl-2-phenyl-4-oxazolyl)ethanol (0.203 g, 1.0 mmol; European patentapplication 177353) and CBr4 (0.662 g, 2.0 mmol) were dissolved in 10 mL of ether and cooled to 0° C. Triphenylphosphine (0.524 g, 2.0 mmol) was added and the mixture stirred for 3 hours at room temperature. The mixture was filtered, the filtrate was stripped of solvent and the residue filtered through a plug of silica gel using CHCl3 as eluant to yield 0.16 g of present title product as a white solid; mp 59°-61° C.; tlc Rf 0.22 (CHCl3).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05330998
Source datasetuspto-grants-1994_07
ORD IDord-93e00c242297436680507cb2d858a432
Source noteuspto-grants-1994_07