反应详情

100 mg of 4-dimethylamino-2-butenoic acid (0.63 mmol) which was prepared by reaction between 4-bromo-2-butenoic acid and dimethylamine in THF, was added in 2 ml DMF and 185 mg of 4 (0.53 mmol) was added followed by 0.6 mmol EDC. The mixture was stirred over night at room temperature and the final product was purified by preparative HPLC to give 120 mg product as light yellow solid, yield 40%. HPLC-MS: m/z: 496 [M+1]+.

1. customthe final product was purified by preparative HPLC