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Synfacts 2010(8): 0922-0922  
DOI: 10.1055/s-0030-1257816
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart ˙ New York

Sterospecific Copper-Catalyzed Formation of Cyclobutyl- and Cyclopentylboronates

Contributor(s): Hisashi Yamamoto, Kimberly Griffin
H. Ito*, T. Toyoda, M. Sawamura
Hokkaido University, Sapporo and Japan Science and Technology Agency, Saitama, Japan
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Publication History

Publication Date:
22 July 2010 (online)

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Significance

Herein, the authors extend their previous work to the transition-metal-catalyzed ring closure to cyclobutane and cyclopentane rings. The ring closure is stereospecific, with excellent diastereoselectivity, and can be derivatized without loss of diastereopurity.