反应详情

The same procedures as in Example 2 were carried out from the compound obtained in Example 33 (2.5 g), triethylamine (1.7 mL), 2,5-difluorocinnamic acid (2.2 g), WSC.HCl (2.3 g), and methylene chloride (70 mL), to give the captioned compound (2.8 g, 74%) as crystals.