Triphosgene → benzyl-{2-[2-(3,5-dimethylphenyl)-5-isocyanato-1H-indol-3-yl]ethyl}-(4-Pyridin-3-yl-Butyl)amine

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Reaction Steps

To a solution of 3-{2-[benzyl-(4-pyridin-3-yl-butyl)amino]ethyl} -2-(3,5-dimethylphenyl)-1H-indol-5-ylamine (120 mg in 8 mL dry methylene chloride) at 0° C. was added 26.6 mg triphosgene followed by 0.050 mL pyridine and the mixture stirred at low temperature. After 50 minutes, the mixture was concentrated in vacuo to give the crude title compound (120 mg).

Provenance & Evidence