Palladium (II)-catalyzed norbornene derivative-mediated ortho-C–H silylation: access to divergent silicon-containing carbazoles
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W Li, J Tao, H Sheng, M Cao, M Chen, W Gao…
Organic Chemistry …, 2025
pubs.rsc.org
A palladium (II)-catalyzed norbornene derivative-mediated selective ortho-C–H silylation of free NH-carbazoles has been developed for the synthesis of arylsilanes. Such a conversion provides access to a range of arylsilanes with exclusive selectivity using norbornene (NBE) derivatives as transient directing mediators. Kinetic experiments show that C–H activation is the rate-determining step for the conversion. Notably, a six-membered palladacycle intermediate was involved in this case.
