Triphenylphosphine → HCID 54451574, compound

Participants

Reaction Steps

A solution of 1-N-Boc-4-(2-hydroxyethyl)imidazole (1.06 g, 5.0 mmol), 6-hydroxytetralone (0.811 g, 5.0 mmol), and triphenylphosphine (1.44 g, 5.5 mmol) in 10 mL of freshly distilled THF was cooled in an ice bath for 10 minutes and then treated with neat diethyl azodicarboxylate (0.87 mL, 5.5 mmol) added via syringe through a rubber septum. The ice bath was permitted to melt and the reaction continued at room temperature for 5 hours. The solvent was removed in vacuo and the residue was chromatographed (silica gel, 500 g; 1:1, EtOAc:hexanes), and the pure fractions were pooled to afford 0.61 g (33%) of the title compound as a clear, colorless, viscous oil: CI-MS m/e 357 (M++1).

Provenance & Evidence