SEARCH Articles Figures Tables 1,3-Dithian 1,3-dithiane 1.3- Dithianes acylals 1.3- Dithianes acylation 2-Acyl-1,3-dithianes 2-acyl-1,3-dithiane A Anionic Acyl anion equivalents Acyl equivalent Acylate anions Anions acylation As acyl anion equivalents Dithiane anions Dithians Dithians Acylation