Diketene → HCID 13718273, compound

Participants

Reaction Steps

A mixture of 4.2 parts of diketene, 10.1 parts of diphenylphosphinous acid, 2.3 parts of bis-(t-butylcyclohexyl)-perdicarbonate and 70 parts of toluene was stirred by a stream of nitrogen in a quartz apparatus at room temperature while being irradiated by UV light from a medium pressure mercury lamp. After three hours irradiation, the reaction mixture was filtered, and the filtrate evaporated. The semi-crystalline residue was triturated with a little toluene, and the crystals collected on a filter and washed with toluene. Crystallisation from toluene gave colourless crystals of (2-oxo-4-oxetanylmethyl)-diphenylphosphine oxide which melted at 154°-155° C. and had the following elemental analysis by weight.

Provenance & Evidence