反应详情

By a reaction in the same manner as in Example 1c and using the compound (1.07 g, 5.0 mmol) obtained in Example 1b and bromopyruvic acid (920 mg, 5.5 mmol), the title compound (814 mg, 57%) was obtained as bister crystals.

1. customBy a reaction in the same manner as in Example 1c