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Diels-alder cycloaddition of tetrachlorothiophene-S,S-dioxide to azulene |
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| Authors: | Y.N. Gupta K.N. Houk |
| Affiliation: | Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260 U.S.A. |
| Abstract: | The cycloaddition of tetrachlorothiophene-S,S-dioxide to azulene occurs across the 1- and 2-positions to give 1,2,3,4-tetrachlorobenz[a]azulene. |
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