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Communication | Regular issue | Vol 24, No. 2, 1986, pp.303-306
Published online, 1st January, 1970
DOI: 10.3987/R-1986-02-0303
Regioselective Alkylation of 3-Substituted 3-Sulfolenes

Hiroaki Takayama,* Hiromasa Suzuki, Takashi Nomoto, and Sachiko Yamada

*Faculty of Pharmaceutical Sciences, Teikyo University, 1091-1 Suarashi, Sagamiko-machi, Tsukui-gun, Kanagawa 199-0195, Japan

Abstract

Remarkable directing effect of the substituent on the double bond of 3-sulfolene was found in the reaction with alkyl iodides under basic conditions; electron donating groups effect selective substitution at the 2-position while electron withdrawing groups effect exclusive substitution at the 5-position.