反应详情

3-Methyl-4-oxo-5-(2-piperidin-1-yl-ethyl)-1,4,5,6,7,8-hexahydro-pyrrolo[3,2-c]azepine-2-carbaldehyde 32d (57.6 mg, 0.21 mmol) and 5-(4-fluoro-phenylmethanesulfonyl)-1,3-dihydro-indol-2-one 65a (57.6 mg, 0.19 mmol) were dissolved in 2 ml of ethanol, and added with 42 μl of piperidine to the solution at room temperature. Upon completion of the addition, the reaction mixture was heated to reflux for 3 hours. After thin lay chromatography showed the disappearance of starting materials, the reaction mixture was naturally cooled to room temperature, and filtered. The filter cake was washed with anhydrous ethanol (3 ml×2) and dried to obtain the title compound (Z)-2-((5-(4-fluorobenzyl sulfonyl)-2-oxoindolin-3-ylidene)methyl)-3-methyl-5-(2-(piperidin-1-yl)ethyl)-5,6,7,8-tetrahydropyrrolo[3,2-c]azepin-4(1H)-one 67 (84 mg, yield 76%) as an orange solid.

1. additionUpon completion of the addition
2. temperaturethe reaction mixture was heated
3. temperatureto reflux for 3 hours
4. filtrationfiltered
5. washThe filter cake was washed with anhydrous ethanol (3 ml×2)
6. customdried