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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 72268Generated: October 27, 2026

Triphenylphosphine → 3-[2-Ethyl-5-(4-methyl-thiazol-2-yl)phenyl]bicyclo[3.2.1]octane-2,4-dione

https://huagongshe.com/reaction/72268

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriphenylphosphineHCID 11776—
Reactant4-MethylthiazoleHCID 12748—
Reactant3-(5-Bromo-2-ethylphenyl)bicyclo[3.2.1]octane-2,4-dioneHCID 66679569—
CatalystHCID 178418647HCID 178418647—
SolventAcetonitrile--water (1/1)HCID 18373917—
Product3-[2-Ethyl-5-(4-methyl-thiazol-2-yl)phenyl]bicyclo[3.2.1]octane-2,4-dioneHCID 68487460—

Reaction Steps

3-(5-Bromo-2-ethylphenyl)bicyclo[3.2.1]octane-2,4-dione (200 mg, 0.62 mmol), 4-methylthiazole (74 mg, 0.75 mmol), silver carbonate (860 mg, 3.1 mmol), triphenylphosphine (16.3 mg, 62.2 umol) and [1,1-bis(diphenylphosphino)ferrocene]palladium(II)chloride (26 mg, 31.1 umol) are added to a scintillation vial and shaken with a degassed solvent mixture of acetonitrile:water 1:1 (1.5 ml) at 65° C. for 22 hours. The mixture is concentrated under reduced pressure, taken up in DMSO (1.5 ml), filtered and purified by preparative reverse-phase HPLC to give 3-[2-ethyl-5-(4-methyl-thiazol-2-yl)phenyl]bicyclo[3.2.1]octane-2,4-dione.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08828908B2
Source datasetuspto-grants-2014_09
ORD IDord-378924b09e91429c919bfc9e486505e2
Source noteuspto-grants-2014_09