Tetrahedron letters

A concise synthesis of 5-demethyl-HKI 0231A and 5-demethyl-HKI 0231B

GA Kraus, T Wu

Index: Kraus, George A.; Wu, Tao Tetrahedron Letters, 2006 , vol. 47, # 44 p. 7801 - 7803

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Citation Number: 2

Abstract

The pentacyclic skeleton of HKI 0231A and HKI 0231B was synthesized by a novel radical cyclization/oxidation followed by DDQ oxidation to introduce the methoxyl groups. This is the first synthetic pathway to both the HKI 0231A and the HKI 0231B series. ... The pentacyclic skeleton