反应详情

Carboxylic acid 213 (0.010 g, 0.0193 mmol) was dissolved in 0.3 mL of dimethylformamide. To this was added 2-aminomethylpyridine (0.004 g, 0.0386 mmol), triethylamine (0.008 mL, 0.058 mmol), 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (0.074 g, 0.0386 mmol), 1-Hydroxybenzotriazole hydrate (0.0039 g, 0.029 mmol) and stirred at room temperature. After 15 hours, starting material was consumed. Dilute with dichloromethane, washed with 1M HCl solution, saturated brine solution, dried (Na2SO4), concentrated to give crude product. Chromatographed (0 to 8% methanol/dichloromethane) to give 9-benzhydryloxy-7-(4-fluoro-benzyl)-8-oxo-7,8-dihydro-6H-pyrrolo[3,4-g]quinoline-5-carboxylic acid (pyridin-2-ylmethyl)-amide 231 (0.007 g, 0.011 mmol, 59%.) 1H NMR (CDCl3) 8.94 (s, 1H), 8.45 (d, 2H), 8.05 (s, 1H), 7.70 (d, 4H), 7.57-7.17 (m, 12H), 7.05 (d, 2H), 4.78 (s, 1H), 4.69 (d, J=5 Hz, 1H), 4.38 (s, 1H). MS: 609 (M+1).

1. customwas consumed
2. additionDilute with dichloromethane
3. washwashed with 1M HCl solution, saturated brine solution
4. dry with materialdried (Na2SO4)
5. concentrationconcentrated
6. customto give crude product
7. customChromatographed (0 to 8% methanol/dichloromethane)