Abstract
Pd-catalyzed C–H silylation reactions remain underdeveloped. General strategies usually
rely on the use of complex bidentate directing groups. C,C-Palladacycles exhibit extremely high reactivity towards hexamethyldisilane and can
be disilylated very efficiently. The C,C-palladacycles are prepared through halide-directed C–H activation. This account introduces
Pd-catalyzed C–H silylation reactions with disilanes as the silyl source, and is
focused on studies on the silylation of C,C-palladacycles.
1 Introduction and Background
2 Allylic C–H Silylation Reaction
3 Coordinating-Ligand-Directed C–H Silylation Reaction
4 Disilylation of C(sp2),C(sp2)-Palladacycles That are Generated by C(sp2)–H activation
5 Disilylation of C(sp2),C(sp3)-Palladacycles That are Generated by C(sp3)–H Activation
6 Disilylation of C,C-Palladacycles That are Generated through Domino Processes
7 Summary and Outlook
Key words
silylation - palladacycles - palladium - C–H activation - halides