Compound 2b
1-Acetyl-3-(2-oxo-2-phenylethylidene)indolin-2-one
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InChIKey LYEPOPHKDRFMGL-RVDMUPIBSA-N
- 1-acetyl-3-(2-oxo-2-phenylethylidene)-1,3-dihydro-2H-indol-2-one
Synthetic procedure: See article for the definitive version of this procedure and for full experimental details.
Compound 2b was synthesized by the general method outlined for compound 2a, changing the Wittig reagent. 1H-NMR (500MHz, CDCl3): δ 8.31 (t, J = 8.0 Hz, 2H), 8.29 (d, J = 8.0 Hz, 2H), 7.87 (d, J = 2.0 Hz, 1H), 7.64 (t, J = 7.5 Hz, 1H), 7.56-7.53 (m, 2H), 7.45-7.42 (m, 1H), 7.20-7.17 (m, 1H), 2.76 (s, 3H). 13C-NMR (125 MHz, CDCl3): δ 190.92, 170.33, 168.26, 142.02, 137.20, 134.69, 134.10, 132.93, 128.99, 128.79, 127.72, 126.79, 125.28, 126.60, 116.54, 26.84. HRMS (ESI) calcd for [M+H] C18H14NO3, m/z: 292.0968, observed:292.0977.