Organic Letters p. 3978 - 3981 (2010)
Update date:2022-09-26
Topics:
Yamazaki, Kenji
Kawamorita, Soichiro
Ohmiya, Hirohisa
Sawamura, Masaya
The directed ortho borylation of phenol derivatives protected with an N,N-diethylcarbamoyl group was efficiently catalyzed by an immobilized monophosphine-Ir system, which was prepared in situ from [Ir(OMe)(cod)] 2 and a silica-supported, compact phosphine. The utility of the carbamoyloxy group as a leaving group for metal-catalyzed cross-coupling reactions was demonstrated by its utilization in the synthesis of a terphenyl derivative.
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