Hydrochloric Acid → HCID 66845866, compound

Participants

Reaction Steps

Prepared analogously to Example 5c, starting from 2-(4-hydroxyphenyl)-3-benzyloxy-6-acetamido-4H-1-benzopyran-4-one. Yield: 82%; TLC (9/1 Chloroform/Methanol) Rf: 0.71 Elem. anal. C29H23NO4*HCl; theory C, 71.68; H, 4.98; N, 2.88. found C, 71.35; H, 4.76; N, 3.03. 1H-NMR (d6-DMSO): 8.02 (d, 2H), 7.8-7.7 (m, 2H), 7.55-7.25 (m, 11H), 7.18 (d, 2H), 5.22 (s, 2H), 5.08 (s, 2H).

Provenance & Evidence