Synthesis of an elaborated heliquinomycin isocoumarin moiety
作者:Thomas P. Thrash、Thomas D. Welton、Victor Behar
DOI:10.1016/s0040-4039(99)01966-8
日期:2000.1
Synthesis of a fully functionalized isocoumarin moiety 2 of DNA helicase inhibitor heliquinomycin (1) is reported. The key step is a modified condensation reaction of diethyl bromomalonate with readily accessible phthalaldehydicacid derivative 3. Introduction of an allyl side chain is accomplished by Claisen rearrangement of allyl phenyl ether 8.