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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1291428Generated: October 30, 2026

Carbon tetrabromide → HCID 18919330, compound

https://huagongshe.com/reaction/1291428

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbon tetrabromideHCID 11205—
ReactantTriphenylphosphineHCID 11776—
ReactantHCID 18918806HCID 18918806—
SolventDichloromethaneHCID 6344—
ProductHCID 18919330HCID 1891933040.1%

Reaction Steps

In dichloromethane (25 ml) was dissolved 2-[4-(4-hydroxymethylpiperidylcarbonyl)benzylthio]-3,5-dimethyl-4(3H)-quinazolinone (1.081 g) followed by addition of carbon tetrabromide (1.050 g). Then, triphenylphosphine (982 mg) was added over 10 minutes and the mixture was stirred at room temperature for 2 hours. The salt was filtered off and the filtrate was concentrated. The residue was purified by silica gel chromatography (hexane-ethyl acetate =1:1) and rinsed with ether to provide the title compound as colorless solid (496 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05753664
Source datasetuspto-grants-1998_05
ORD IDord-1dc78b2e5b194608847d283f970eacac
Source noteuspto-grants-1998_05