Azasulfur(iv) derivatives of sulfite and sulfinate esters by formal S-S bond insertion of dichloramines.

Azasulfur(vi) compounds such as sulfoximines and sulfonimidamides are attractive due to the unique properties of the S[double bond, length as m-dash]N bond. While the synthesis of these carbon-attached sulfonimidoyl derivatives is well-established, the situation is different for their heteroatom-bound counterparts. In this work, we propose azasulfur(iv) esters as platform chemicals that can be derivatized to obtain all types of S[double bond, length as m-dash]N functional groups, among these are the poorly accessible, all-heteroatom imidosulfate esters.