反应详情

温度

22 °C

The product from step c) (2.3 g, 5.18 mmol) in CH2Cl2 (26 ml) was treated with oxalyl chloride (2.3 ml, 26.3 mmol) followed by DMF (4 drops) and the mixture was stirred for 1 hour at 22° C. The solvent was evaporated in vacuo to give the crude subtitle compound as pink solid that was used without further purification.

1. customThe solvent was evaporated in vacuo