ChemInform Abstract: New Metathesis Meth
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M. J. HEILEMAN; R. TIEDEMANN; H. W. MOORE
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Article
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2010
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John Wiley and Sons
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New Metathesis Methodology Leading to Angularly-Fused Polycyclic Quinones and Related Compounds. -The dual annulation sequence represents a general, regiospecific route to the title compounds. Cyclobutenones of type (VI), (XI), and (XVI), prepared starting from squarate (I) by variation of the lith