... Tetrahedron. Volume 48, Issue 8, 21 February 1992, Pages 1485–1496. Cover image Cover image. Alkyl- and arylsubstituted ketenedithioacetal tetroxides: Diels-alder reactivity and reductive desulfonylation of the adducts. ... (8); Y. Nagao, K. Seno, E. Fujita; Tetrahedron Lett. ...