Abstract
The thio Claisen rearrangement of a number of 5-substituted allyl 2-thienyl sulfides was studied. On the basis of kinetic data it is shown that substituents that decrease the aromatic character of the transition state decrease the reactivity of the sulfide.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1195–1197, September, 1982.
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Anisimov, A.V., Panov, S.M. & Viktorova, E.A. Effect of the substituent in the thiophene ring on the [3,3]-sigmatropic rearrangement of allyl thienyl sulfides. Chem Heterocycl Compd 18, 912–915 (1982). https://doi.org/10.1007/BF00513430
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DOI: https://doi.org/10.1007/BF00513430