Lawesson's reagent → 5-(3-Chlorophenyl)-3,3-diethyl-1,3-dihydro-2H-indole-2-thione

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The title compound was prepared from 5-(3-chloro-phenyl)-3,3-diethyl-1,3-dihydro-indol-2-one compound (100 mg) and Lawesson's reagent (100 mg) in toluene (10 ml) at reflux, according to General Procedure A, to afford the product (0.023 g) as a yellow solid: 1H NMR (DMSO-d6) δ 12.73 (br s, 1H), 7.77 (t, 1H, J=1.8 Hz), 7.75 (d, 1H, J=1.6 Hz), 7.68–7.62 (m, 2H), 7.48 (t, 1H, J=7.9 Hz), 7.40 (d, 1H, J=8.3 Hz), 7.09 (d, 1H, J=8.1 Hz), 2.07–2.00 (m, 2H), 1.86–1.79 (m, 2H) and 0.37 (t, 6H, J=7.3 Hz): MS ((−)-APCI) m/z 314/316 [M−H]−.

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