ortho-Borylation of Phenols with
Silica-SMAP-Ir

K. Yamazaki; S. Kawamorita; H. Ohmiya; M. Sawamura

doi:10.1055/s-0030-1258908

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Synfacts 2010(12): 1437-1437
DOI: 10.1055/s-0030-1258908

Polymer-Supported Synthesis

ortho-Borylation of Phenols with Silica-SMAP-Ir

Contributor(s): Yasuhiro Uozumi, Takao Osako
K. Yamazaki, S. Kawamorita, H. Ohmiya, M. Sawamura*
Hokkaido University, Sapporo, Japan

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Publication History

Publication Date:
22 November 2010 (online)

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Significance

A silica-supported compact monophoshine iridium complex (silica-SMAP-Ir) catalyzed the directed ortho-borylation of phenol derivatives protected with an N,N-diethylcarbamoyl group to give the corresponding ortho-borylated products in 41-91% yield (19 examples).