Methyl iodide → 1-Boc-4-phenyl-4-piperidinedicarboxylic acid methyl ester

Beteiligte Stoffe

Reaktionsschritte

1-tert-Butyloxycarbonyl-4-phenyl-piperidine-4-carboxylic acid (0.9162 g, 3 mmol) was allowed to react with methyl iodide (1.87 mL, 30 mmol, 10 eq.) in the presence of N,N-diisopropylethylamine (2.61 mL, 15 mmol, 5 eq.) in acetonitrile (30 mL) at 20° C. for 16 hours. The solution was diluted with ethyl acetate and washed with 1N HCl, saturated sodium bicarbonate and saturated sodium chloride. The organic phase was dried over magnesium sulfate and the solvent was concentrated in vacuo to give 0.935 g (98%) of the title compound.

Herkunft & Nachweise