An intramolecular cyclization of S-(ω-carboxyalkyl)thiolanium salts took place readily under weakly basic conditions to afford sulfur-containing macrocyclic lactones in good yields.
S-(ω-羧基烷基)硫醇盐的分子内环化在弱碱性条件下很容易发生,以良好的产率得到含硫大环内酯。
MATSUYAMA, HARUO;NAKAMURA, TAKAKO;TAKATSUKA, AKINORI;KOBAYASHI, MICHIO;KA+, CHEM. LETT.,(1988) N1, C. 1931-1932