Author's Organization:Faculty of Pharmaceutical Sciences, Kumamoto University Faculty of Pharmaceutical Sciences, Kumamoto University Faculty of Pharmaceutical Sciences, Kumamoto University Faculty of Pharmaceutical Sciences, Kumamoto University Faculty of Pharmaceutical Sciences, Kumamoto University
The dimers (2a-c) of active methylene compounds were readily synthesized by heating the corresponding α-sulfinyl compounds (1a-c) in carbon tetrachloride or tetrahydrofuran in 14-90% yields.