Phenylhydrazine → HCID 15032471, compound

Participants

Reaction Steps

Ethyl oxindole-3-glyoxylate (220 rag) in glacial acetic acid (2 ml) was heated under reflux for 10 minutes with phenylhydrazine (0.1 ml). The reaction was cooled and the resulting precipitate filtered and crystallised from methanol to give the title compound, mp>260° C.; 1H nmr (250 MHz, d6 -DMSO) δ5 11.86 (1H, broad s), 8.25 (1H, broad d), 7.86 (2H, d, J=8 Hz), 7.56 (2H, t, J=8 Hz) and 7.22-7.42 (4H, m).

Provenance & Evidence