反应详情

To a stirred 0° C. solution of 18 (0.59 g, 2.29 mmol) in DCM (23 mL) was added a 20% phosgene/toluene solution (2.42 mL). After stirring for 3 h the reaction mixture was concentrated under reduced pressure and carried on without further purification.

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