Methyl N-(triethylammoniosulfonyl)carbamate → (S)-tert-Butyl 4-(1-cyano-2-(4-(1-methyl-2-oxoindolin-6-yl)phenyl)ethylcarbamoyl)tetrahydro-2H-pyran-4-ylcarbamate

Beteiligte Stoffe

Reaktionsschritte

A solution of (S)-tert-butyl 4-(1-amino-3-(4-(1-methyl-2-oxoindolin-6-yl)phenyl)-1-oxopropan-2-ylcarbamoyl)tetrahydro-2H-pyran-4-ylcarbamate (Example 21, step (i), 44 mg) in dichloromethane (5 mL) was treated with Burgess' reagent (25 mg) and stirred at room temperature for 24 h. The reaction was diluted with dichloromethane (50 mL) and washed with water (50 mL). The combined organic extracts were dried over magnesium sulfate and evaporated in vacuo to the sub-titled compound (35 mg).

Herkunft & Nachweise