197508-40-0Relevant articles and documents
Intramolecular Anionic Friedel-Crafts Equivalents. A General Regiospecific Route to Substituted and Naturally Occurring Xanthen-9-ones
Familoni,Ionica, Ileana,Bower, Justin F.,Snieckus, Victor
, p. 1081 - 1083 (1997)
An LDA-induced regiospecific and general conversion of diaryl ether 2-carboxamides 4 into substituted xanthones 5, including natural products, 2-hydroxy-1-methoxyxanthone (8) and 6-deoxyjacareubin (14), is described.