反应详情

3 ml of pyridine, 94 mg of 4-trifluoromethyl-2,3-dihydro-1H-indole and 153 mg of N-[3-(dimethylamino)propyl]-N′-ethylcarbodiimide hydrochloride are successively added to a solution of 138 mg of sodium [1-methyl-4-(morpholin-4-yl)-6-oxo-1,6-dihydropyrimidin-2-yl]acetate in 3 ml of N,N-dimethylformamide. The reaction mixture is stirred at ambient temperature for 16 hours. After the addition of 50 ml of water and extraction with ethyl acetate (3×15 ml), the organic phases are combined and then washed with water (2×15 ml), and a saturated aqueous sodium chloride solution (15 ml), and then dried over magnesium sulfate, filtered through sintered glass, and concentrated under reduced pressure. The solid obtained is washed with diethyl ether (5 ml) and then dried, so as to give 64 mg of 3-methyl-6-(morpholin-4-yl)-2-{2-oxo-2-[4-(trifluoromethyl)-2,3-dihydro-1H-indol-1-yl]ethyl}pyrimidin-4(3H)-one in the form of a pink solid, the characteristics of which are the following:

1. washwashed with water (2×15 ml)
2. dry with materiala saturated aqueous sodium chloride solution (15 ml), and then dried over magnesium sulfate
3. filtrationfiltered through sintered glass
4. concentrationconcentrated under reduced pressure
5. customThe solid obtained
6. washis washed with diethyl ether (5 ml)
7. customdried