反应详情

3-[4-(5,6-dimethoxy-3-methyl-1,4-benzoquinon-2-ylmethyl)phenyl]acrylic acid (200 mg, 0.58 mmol) obtained in Example 2 and piperidine (65 mg, 0.76 mmol) were used, and a method similar to that described in Example 3 was employed to obtain the title compound (129 mg, 0.32 mmol, yield 54%).