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Communication | Regular issue | Vol 38, No. 1, 1994, pp.41-44
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6562
Regioselective Alkylation of 5-Substituted Benzosulfolenes. Some Comments for Its Regioselectivity

Ken Kanematsu,* Isao Kinoyama, Hitoshi Sato, Eiji Osawa,* Ok-Ja cha, and Toshiyuki Hata

*Institute of Synthetic Organic Chemistry, Faculty of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan


Direct alkylation of the 5-substituted benzosulfolenes gave exclusively 3-alkylated 5-substituted benzosulfolenes. The regioselectivity was discussed in terms of he frontier molecular orbital theory.