Phthalimide → HCID 57826475, compound

Participants

Reaction Steps

To a solution of 1,1-dimethylethyl ((1S)-2-hydroxy-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)carbamate (4.2 g, 13.2 mmol), triphenylphosphine (4.5 g, 17.1 mmol) and phthalimide (1.9 g, 13.2 mmol) in THF (66 mL) at 25° C. was added diethyl azodicarboxylate (2.7 mL, 17.1 mmol). After stirring at RT for 1 h, the reaction solution was concentrated under vacuum and the residue purified on silica gel (1% MeOH in DCM) affording the title compound (3.2 g, 54%) as a white solid: LCMS (ES) m/z 449 (M+H)+.

Provenance & Evidence