Highly Efficient Synthesis of 2-Substituted 4H-Chromen-4-ones by means of F--Induced 6-Endo-Digonal Cyclization of o-(Silyloxy)phenyl Ethynyl Ketone Derivatives
作者:Kazuhiko Nakatani、Akimitsu Okamoto、Mikito Yamanuki、Isao Saito
DOI:10.1021/jo00095a003
日期:1994.8
Efficient synthesis of 2-substituted 4H-chromen-4-ones, a core structure of the antitumor antibiotic kapurimycin A(3), was achieved through F--induced cyclization of o-(silyloxy)phenyl ethynyl ketone derivatives.