反应详情

To a suspension of 1,3,9,10,11,12-hexahydro-2H-quino[4,3,2-ef][1,4]benzoxazepin-2-one (4.94 g) in dry tetrahydrofuran (150 ml) was added potassium tert-butoxide (2.62 g). The mixture was stirred for 15 mins, 1-bromopropane (7.07 ml) was added, and the reaction mixture was refluxed overnight. The reaction mixture was concentrated, diluted with saturated potassium carbonate solution, and extracted with ethyl acetate. The organic extracts were dried over anhydrous magnesium sulfate, filtered, and the filtrate was concentrated. The residue was to adhered to silica, and flash chromatographed (30% ethyl acetate/hexane). The appropriate fractions were evaporated and the residue was triturated with diethyl ether to yield 4.39 g (76%) of 1,3,9,10,11,12-hexahydro-1-propyl-2H-quino[4,3,2-ef][1,4]benzoxazepin-2-one.

1. temperaturethe reaction mixture was refluxed overnight
2. concentrationThe reaction mixture was concentrated
3. additiondiluted with saturated potassium carbonate solution
4. extractionextracted with ethyl acetate
5. dry with materialThe organic extracts were dried over anhydrous magnesium sulfate
6. filtrationfiltered
7. concentrationthe filtrate was concentrated
8. customchromatographed (30% ethyl acetate/hexane)
9. customThe appropriate fractions were evaporated
10. customthe residue was triturated with diethyl ether