反应详情

The title compound was prepared using the method of example 239, starting with 3-amino-4-chloro-benzonitrile (242) (9.0 g, 59.0 mmol), O-ethylxanthic acid, potassium salt (Lancaster, 21.23 g, 132.7 mmol) in DMF (90 mL). 5.6 g (49%) of compound 243 was obtained as a pale brown solid.

1. customThe title compound was prepared