G. Fournet et J. Gore, RING ENLARGEMENT OF 2-OXO-1,3-DITHIANE - EASY ACCESS TO -SUBSTITUTED-7,8-DIHYDRO-2H,6H-1,5-DITHIOCIN-2-ONE, Tetrahedron letters, 34(44), 1993, pp. 7057-7058
the 2-Oxo-1.3-dithiane reacts with various lithium acetylides to furni
sh a new class of compounds: the -substituted-7,8-dihydro-2H,6H-1,5-di
thiocin-2-one derivatives.