Triphenylphosphine → HCID 172930501, compound

Participants

Reaction Steps

A mixture of diphenylmethyl 7-[(Z)-2-(2-t-butoxycarbonyl-2-propoxyimino)-2-(2-tritylaminothiazol-4-yl)acetamido]-3-iodomethyl-3-cephem-4-carboxylate (VII-4', 5.3 g, 5 mmoles) and triphenylphosphine (2.6 g, 10 mmoles) in benzene (100 ml) was stirred at room temperature for 1 hour and diluted with diisopropyl ether. The resulting precipitate was collected by filtration to yield 6.0 g (91%) of the title compound VIII-4'.

Provenance & Evidence