Journal
ARKIVOC
Volume -, Issue -, Pages 343-349Publisher
ARKAT USA INC
DOI: 10.3998/ark.5550190.0009.f30
Keywords
gamma-Spirolactones; benzofuran-2,3-diones; acetylenic esters; triphenylphosphine
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Funding
- Research Council of the University of Birjand
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The reaction of the zwitterionic intermediates generated from dialkyl acetylene dicarboxylates and triphenylphosphine with benzofuran-2,3-diones provides a one-pot route to new highly functionalized gamma-spirolactones in good yield.
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