HCID 131721210, compound → HCID 15408203, compound

Participants

Reaction Steps

The title compound was prepared from the compound of Example 7 according to the method described in Example 2 using AcOH as solvent. A white solid was obtained (97% yield): mp 190°-193° C.; 1H NMR (CDCl3) δ 7.65 (s, 1 H), 7.05 (t, 1 H, J=7.8 Hz), 6.69 (d, 1 H, J=7.8 Hz), 6.64 (s, 1 H), 6.57 (d, 1 H, J=7.8 Hz), 6.30 (s, 1 H), 3.86 (s, 3 H), 3.74 (s, 3 H), 2.36 (s, 3 H); 13C NMR (CDCl3) δ 165.6, 153.7, 150.1, 146.6, 145.7, 140.6, 129.6, 116.6, 114.9, 113.0, 105.0, 56.0, 54.3, 51.6, 18.1.

Provenance & Evidence