Chemistry Letters p. 1185 - 1188 (1990)
Update date:2022-08-04
Topics:
Ishino, Yoshio
Masaoka, Toshihiro
Hirashima, Tsuneaki
Reaction of the acetylenic alcohols with arenethiols in the presence of p-toluenesulfonic acid (p-TsOH) gave 3,4-dihydro-2H-1-benzothiopyrans (thiochromans) in good to excellent yields, the reaction of which may involve intermolecular cycloaddition via ca
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