Triethylamine → HCID 18696614, compound

Participants

Reaction Steps

To a solution of the title compound of Step B (5.0 g) in p-dioxane (115 mL) at room temperature was added via syringe diphosgene (4.2 mL) followed by the addition of triethylamine (4.8 mL). The mixture was heated at reflux overnight while stirring. The reaction was monitored by IR (2267 cm-1). The reaction mixture was filtered and the residue was washed with diethyl ether. The filtrate was concentrated under reduced pressure to give 5.8 g of the title compound of Step C as a beige solid which was used without further purification.

Provenance & Evidence