HCID 66845663, compound → HCID 66845127, compound

Participants

Reaction Steps

Prepared analogously to Example 5d, starting from 2-(4-hydroxyphenyl)-3-hydroxy-6-acetamido-4H-1-benzopyran-4-one. Yield: 84%; Rf (9/1 Chloroform/Methanol): 0.59, 1H-NMR (d6-DMSO): 10.38 (s broad, 1H), 8.40 (d, 1H), 8.1-7.9 (m, 3H), 7.70 (d, 1H); 7.55-7.25 (m, 10H); 7.17 (d, 2H); 5.22 (s, 2H), 5.07 (s, 2H); 2.11 (s, 3H).

Provenance & Evidence