• This reaction is a rearrangement via. acyl transfer.
• This reaction can also be promoted by use of some Silicon chemistry (see second reference).
• Other reactions involving sulphur reactivity: Kornblum, Mannich, Paal-Knorr Thiophene Synthesis, Ramburg-Backlund and Swern reactions.


References:

• Feldman K.S.; Karatjas A.G.; Organic Letters, 2004, Volume 6, Issue 17, 2849-2852
• Raghavan S.; Rajender A.; Rasheed M.A.; Reddy S.R.; Tetrahedron Letters, 2003, Volume 44, Issue 45, 8253-8256