Uses
It has been employed in the synthesis of methyl ketones. 2-Methyl-1,3-dithiane is suitable for use in the preparation of potassium trifluoro(2-methyl-1,3-dithiano)borate.
General Description
2-Methyl-1,3-dithiane is a versatile acyl anion equivalent. Role of hyperconjugation in the conformational analysis of 2-methyl-1,3-dithiane has been reported.
Purification Methods
Wash the dithiane with H2O, 2.5 M aqueous NaOH, H2O, brine, dry over K2CO3 (use toluene as solvent if the volume of reagent is small), filter, evaporate and distil the colourless residue. IR film: 1455, 1371 and 1060 (all medium and CH3), 1451m, 1422s, 1412m, 1275m, 1236m, max 1190m, 1171w, 918m and 866w (all dithiane) cm-1 [Corey & Erickson J Org Chem 36 3553 1971, Seebach & Corey J Org Chem 40 231 1975]. [Beilstein 19 III/IV 49, 19/1 V 53.]
