Naphth [1, 8-de] dithiin-1-N-tosylsulfilimines (4) were prepared by the reaction of naphtho [1, 8-de] dithiins with chloramine-T. Photolysis of 4 undergoes intramolecular imino group rearrangement to give N-tosylaldimines quantitatively together with naphthalene-1, 8- dithiole.
[Cherkauskas, John P.; Klos, Andrew M.; Borzilleri, Robert M.; Sisko, Joseph; Weinreb, Steven M.; Parvez, Masood Tetrahedron, 1996 , vol. 52, # 9 p. 3135 - 3152]
![N-(2-ethyl-1l4-naphtho[1,8-de][1,3]dithiin-1-ylidene)-4-methylbenzenesulfonamide Structure](https://image.chemsrc.com/caspic/198/163926-85-0.png)
