Symmetric SES- and Hybrid SEY-Pincer Complexes with Thioamide and Thiophosphoryl Coordinating Arms

The extension in the chemistry of pincer-type complexes over the last decade has led to the creation and detailed investigation of those bearing a wide range of donor coordinating groups fixed on a number of central cores. This review covers the synthesis, reactivity, application in catalysis, and photooptical properties of symmetrical SES-pincer complexes (E = C, N, P) having thiocarbamoyl or thiophosphoryl coordination groups and their nonsymmetrical (hybrid) S Y-analogues (Y = S, N) bearing either the combination of these groups or a combination of the P=S function with other donor functionalities.