反应详情

温度

60 °C

A 2M solution of trimethylaluminium (0.936 mL, 1.87 mmol) in toluene, was added drop-wise to a stirred suspension of 3-(2-(5-amino-1H-pyrazol-3-yl)ethyl)-N-methylbenzamide (0.183 g, 0.75 mmol) and methyl 4-(4-methylpiperazin-1-yl)benzoate (0.176 g, 0.75 mmol) in toluene (5 mL) at room temperature. The solution was then stirred at 60° C. for 18 h. The reaction mixture was cooled, poured into methanol (5 ml) and acidified with 2N HCl (15 ml). The crude product was purified by ion exchange chromatography, using a SCX column. The desired product was eluted from the column using 7M NH3/MeOH and pure fractions were evaporated to dryness to afford an oil. The crude product was purified by preparative HPLC, using decreasingly polar mixtures of water (containing 1% NH3) and MeCN as eluents. Fractions containing the desired compound were evaporated to dryness to afford the title compound (0.109 g, 32.6%) as a white solid.

1. temperatureThe reaction mixture was cooled
2. customThe crude product was purified by ion exchange chromatography
3. washThe desired product was eluted from the column
4. customwere evaporated to dryness
5. customto afford an oil
6. customThe crude product was purified by preparative HPLC
7. additionFractions containing the desired compound
8. customwere evaporated to dryness