tert-butyl-(E)-3-(1,1,1-trifluoro-4-oxo-4-phenylbut-2-en-2-yl)-1H-indole-1-carbox ylate
yellow solid (0.58 g, 70% yield), mp = 79 - 80 °C. 1H NMR (300 MHz, CDCl3) δ 8.07 (d, J = 8.4 Hz, 1H), 7.85 (s, 1H), 7.82 (d, J = 1.5 Hz, 1H), 7.66 (s, 1H), 7.52 (d, J = 7.5 Hz, 1H), 7.49 (t, J = 1.4 Hz, 1H), 7.38 (t, J = 7.7 Hz, 2H), 7.32 - 7.25 (m, 2H), 7.17 -7.12 (m, 1H), 1.65 (s, 9H). 13C NMR (75 MHz, CDCl3) δ 191.2, 149.1, 136.2, 134.9, 133.8, 132.4 (q, JC-F = 31.8 Hz), 131.1 (q, JC-F = 4.8 Hz), 128.7, 128.7, 128.6, 126.7, 124.9, 123.1, 122.8 (q, JC-F = 273.3 Hz), 119.9, 115.3, 111.1, 84.5, 28.1. 19F NMR (282 MHz, CDCl3) δ −66.9. HRMS (ESI) m/z calcd for C23H21F3NO3 [M+H]+ : 416.1468, found 416.1474.
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- Supporting Info
- MAHARASHTRA TRIBAL FOOD, MAHARASHTRA, MARATHI, INDIA
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