1-(Phenylsulfonyl)-1H-indole → 4-Hydroxy-4-[1-(phenylsulfonyl)-1H-indol-2-yl]-2,5-cyclohexadien-1-one

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Reaction Steps

The title compound was prepared from 4,4-dimethoxy-cyclohexa-2,5-dienone and 1-benzenesulfonyl-1H-indole (available commercially), according to Method C, described above. Yield 18%; mp 170-172° C.; 1H NMR (CDCl3) δ 8.0 (d, J=8 Hz, 1H), 7.87 (d, J=8 Hz, 2H), 7.51-7.60 (m, 3H), 7.30-7.46 (m, 3H), 7.18-7.27 (m, 2H), 6.80 (s, 1H), 6.32 (d, J=10 Hz, 2H), 5.50 (s, 1H); 13C NMR (CDCl3) δ 185.3, 147.9, 141.2, 138.6, 137.8, 134.7, 129.7, 128.7, 128.1, 127.0, 126.6, 125.0, 122.1, 115.6, 114.1, 67.9.

Provenance & Evidence