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Communication | Regular issue | Vol 16, No. 7, 1981, pp.1145-1150
Published online, 1st January, 1970
DOI: 10.3987/R-1981-07-1145
The Reagent Design and Study of Thiophene Derivatives on the Basis of the Concept of the Cyclic Conjugation

Ken Kanematsu,* Kazunobu Harano, and Hirokazu Dantsuji

*Research Institute of Industrial Science, Faculty of Engineering, Kyushu University, 6-1, Kasuga-koen, Kasuga 816-8580, Japan


The concept of continuity and discontinuity of the cyclic conjugation provides us a reliable way of predicting the cycloadditivity of five-membered heterocyclic compounds as 4π-source in the cycloaddition.