反应详情

To a stirred 0° C. solution of 29 (0.95 g, 2.30 mmol) in 5:1 DCM/TEA (30 mL) was added a 20% phosgene/toluene solution (2.43 mL, 4.59 mmol). After stirring for 3 h the reaction was concentrated under reduced pressure and carried on without further purification.

1. concentrationwas concentrated under reduced pressure
2. customcarried on without further purification