Malononitrile → 2-Amino-3-cyano-4-(4,5-dimethoxy-3-iodophenyl)-7-methyl-4H-pyrrolo[2,3-h]chromene

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Reaction Steps

The title compound was prepared from 4-hydroxy-1-methylindole (40 mg, 0.27 mmol), 4,5-dimethoxy-3-iodo-benzaldehyde (80 mg, 0.27 mmol) and malononitrile (18 mg, 0.27 mmol) similar to Example 24 to yield 91 mg (69%) of white solids. 1H NMR (CDCl3): 7.19 (d, J=1.8 Hz, 1H), 7.07-7.02 (m, 2H), 6.77-6.74 (m, 2H), 6.57 (d, J=3.3 Hz, 1H), 4.76 (s, 1H), 4.69 (brs, 2H), 3.81-3.78 (m, 9H).

Provenance & Evidence