Abstract
[6+4] Cycloaddition reactions of functionalized thiophene dioxides with various fulvenes provided the corresponding azulenes. The observed regiochemistry was explained in terms of the HOMO—LUMO orbital coefficients.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 1, pp. 137–142, January, 2006.
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Moiseev, A.M., Balenkova, E.S. & Nenajdenko, V.G. [6+4] Cycloaddition reactions of acceptor thiophene dioxides: The synthesis of substituted azulenes. Russ Chem Bull 55, 141–146 (2006). https://doi.org/10.1007/s11172-006-0227-x
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DOI: https://doi.org/10.1007/s11172-006-0227-x