Methyl chloroformate → HCID 66734590, compound

Participants

Reaction Steps

Methyl 2-(3,4,5-trifluorobenzyl)piperidine-4-carboxylate hydrochloride (3.957 g, 12.22 mmol) and DIPEA (4.68 mL, 26.89 mmol) were dissolved in DCM (20 mL) and methyl carbonochloridate (1.059 mL, 13.45 mmol) was added. The reaction was stirred at room temperature for 18 h, diluted with DCM (200 mL), washed with 0.1 M HCl (2×200 mL), satd NaHCO3 (200 mL), dried through a phase separator and evaporated in vacuo to yield dimethyl 2-(3,4,5-trifluorobenzyl)piperidine-1,4-dicarboxylate (4.01 g, 95%) as a brown oil. MS m/z 346 (M+H)+

Provenance & Evidence