反应详情

Oxalyl chloride (138 μL; 1.63 mmol; 3 eq.), Intermediate 39 (120 mg; 0.54 mmol; 1 eq.), Intermediate 23 (100 mg; 0.54 mmol, 1 eq.) and DIEA (282 μL; 1.54 mmol; 3 eq.) were reacted according to general procedure 2. Purification by column chromatography c-hexane/ethyl acetate, 50/50) afforded the title compound as a yellow oil.

1. customPurification by column chromatography c-hexane/ethyl acetate, 50/50)