Triphenylphosphine → HCID 10536182, compound

Participants

Reaction Steps

A solution of 3,4-dihydro-4-isopropyl-2-hydroxy-3-oxo-quinoxaline-1-oxid (15.5 g, 0.07 mole) and triphenylphosphine (26.2 g, 0.1 mole) in dimethylformamide (DMF) (100 ml) was stirred at 120° C. for 12 hours, whereafter the solvent was evaporated in vacuo. The residue was stirred in methylene chloride (150 ml) whereby the formed triphenyl phosphine oxid was dissolved. The product was then collected as pale crystals by filtration followed by wash with methylene chloride M.p. 227°-228° C.

Provenance & Evidence