Malononitrile → 2-Amino-3-cyano-4-(3,5-difluorophenyl)-8,9-dihydro-7-methyl-4H-pyrrolo [2,3-h]chromene

Participants

Reaction Steps

The title compound was prepared from 4-hydroxy-2,3-dihydro-1-methylindole (30 mg, 0.2 mmol), 3,5-difluoro-benzaldehyde (29 mg, 0.2 mmol) and malononitrile (13 mg, 0.2 mmol) similar to Example 22 to yield 20 mg (29%) of white solids. 1H NMR (CDCl3): 6.74-6.65 (m, 4H), 6.20 (d, J=7.8 Hz, 1H), 4.62 (s, 3H), 3.40 (t, J=8.1 Hz, 2H), 2.99 (t, J=8.7 Hz, 2H), 2.74 (s, 3H).

Provenance & Evidence