Malononitrile → HCID 10345146, compound

Participants

Reaction Steps

2-Amino-4-(3-bromo-4,5-dimethoxyphenyl)-3-cyano-7-oxiranyl-methyl-4H-pyrrolo[2,3-h]chromene: The title compound was prepared from 1-oxiranylmethyl-4-hydroxy-indole (70 mg, 0.37 mmol), 5-bromoveratraldehyde (91 mg, 0.37 mmol), malononitrile (25 mg, 0.37 mmol) and piperidine (0.01 mL, 0.18 mmol), similar to Example 16, to yield 80 mg (45%) of a white solid. 1H NMR (CDCl3): 7.15 (dd, J=1.5 Hz, 1H), 7.10 (dd, J=2.7 Hz, 1H), 6.92-6.91 (m, 1H), 6.78-6.75 (m, 2H), 6.62 (dd, J=0.9 Hz, 1H), 4.77 (s, 1H), 4.70 (brs, 2H), 4.48-4.43 (m, 1H), 4.15-4.13 (m, 1H), 3.83 (s, 3H), 3.82 (s, 3H), 3.28-3.27 (m, 1H), 2.84-2.81 (m, 1H), 2.48-2.44 (m, 1H).

Provenance & Evidence