Stereoselectivity in the thermal rearran
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N. Manisse; J. Chuche
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Article
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1975
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Elsevier Science
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French
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The thermal rearrangement of a number of substitued 1,5-hexadiynes has been reported 1 to lead to bismethylene cyclobtraene derivatives . Qr the other hand, pyrocatechol 2 and 3,5-octadiene-2,7-dione 3 respectively, were obtained in poor yields when 1,5-hexadiyne-3,4diol s and 3,4-dimethyl-1,5-hexad