Water → HCID 67015452, compound

Participants

Reaction Steps

tert-Butyl 5-aminopentylcarbamate (2.02 g, 10 mmol) was dissolved in EtOAc, 4-nitrophenyl carbonochloridate (2.22 g, 11 mmol) was added, the mixture cooled on an icebath, DIEA (2.05 mL, 12 mmol) was added with stirring and the mixture gradually allowed to reach rt and stirred for 3 h. The mixture was transferred to a separatory funnel with EtOAc and H2O, and shaken. The organic phase was extracted with 1N HCl, H2O, 5% NA2CO3, H2O (three times), brine, dried over Mg2SO4, filtered and concentrated to yield compound 9.

Provenance & Evidence