4-Chlorobenzaldehyde → HCID 67230863, compound

Participants

Reaction Steps

Prepared according to the imine formation condition used in Example 18 step b) from 1-amino-4-chloro-1H-pyrrole-2-carboxylic acid methyl ester and 4-chloro benzaldehyde in refluxing methanol for 12 h. 1H NMR (CDCl3, δ in ppm): 8.35 (s, 1H), 7.78 (d, 2H, J=7.6 Hz), 7.42 (d, 2H, J=7.6 Hz), 7.19 (d, 1H, J=2.2 Hz), 6.89 (d, 1H, J=2.2 Hz), 3.83 (s, 3H).

Provenance & Evidence