Triethylamine → 1-(4,5-dihydro-1H-benzo[d]azepin-3(2H)-yl)-2,2,2-trifluoroethanone

참여 물질

반응 단계

To a stirred solution of 2,3,4,5-tetrahydro-1H-benzo[d]azepine (0.25 g, 1.7 mmol) in anhydrous CH2Cl2 (5 ml), Et3N (0.28 ml, 2 mmol) was added at 0° C. and under N2, followed by (CF3CO)2O (0.29 ml, 2 mmol) and the resulting mixture was stirred for 1 h, than washed with aqueous NaHCO3 and H2O. The organic layer was dried over MgSO4, filtered and the filtrate was evaporated to dryness to give the title product (0.418 g, 100%), as pale oil. 1H-NMR (CDCl3) 3.6-3.97 (m, 8H); 7.11-7.19 (m, 4H).

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