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Site-Selective and Stereoselective C(sp(3))-H Borylation of Alkyl Side Chains of 1,3-Azoles with a Silica-Supported Monophosphine-Iridium Catalyst

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Title: Site-Selective and Stereoselective C(sp(3))-H Borylation of Alkyl Side Chains of 1,3-Azoles with a Silica-Supported Monophosphine-Iridium Catalyst
Authors: Murakami, Ryo Browse this author
Iwai, Tomohiro Browse this author
Sawamura, Masaya Browse this author →KAKEN DB
Keywords: 1,3-azole
C-H activation
borylation
iridium
heterogeneous catalyst
Issue Date: May-2016
Publisher: Georg Thieme Verlag
Journal Title: Synlett
Volume: 27
Issue: 8
Start Page: 1187
End Page: 1192
Publisher DOI: 10.1055/s-0035-1561599
Abstract: Site-selective and stereoselective C(sp(3))-H borylation of alkyl side chains of 1,3-azoles with bis(pinacolato) diboron was effectively catalyzed by a silica-supported monophosphine-iridium catalyst. The borylation occurred under relatively mild conditions (2 mol% Ir, 5090 degrees C), affording the corresponding primary and secondary alkylboronates. This system was applicable to a variety of 1,3-(benzo) azoles such as thiazoles, oxazoles, and imidazoles.
Type: article (author version)
URI: http://hdl.handle.net/2115/65194
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 澤村 正也

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