Use of a Sonogashira−Acetylide Coupling Strategy for the Synthesis of the Aromatic Spiroketal Skeleton of γ-Rubromycin
作者:Kit Y. Tsang、Margaret A. Brimble、John B. Bremner
DOI:10.1021/ol035723c
日期:2003.11.1
The synthesis of the fused aromatic spiroketal core of I-rubromycin is described via addition of an aryl acetylide fragment to an aryl acetaldehyde fragment. In turn, the aryl acetylene precursor was readily prepared with use of a Sonogashira reaction.