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Synlett 1999; 1999(11): 1790-1792
DOI: 10.1055/s-1999-2957
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Platinum(0)-Catalyzed Diboration of Methylenecyclopropanes with Bis(pinacolato)diboron: A Selective Route to 2,4-Bis(boryl)-1-butenes

Tatsuo Ishiyama* , Seiji Momota, Norio Miyaura
  • *Division of Molecular Chemistry, Graduate School of Engineering, Hokkaido University, Sapporo 060-8628, Japan; Fax +81-11-7 06-65 61; E-mail: miyaura@org-mc.eng.hokudai.ac.jp
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Publication Date:
31 December 1999 (online)

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Platinum(0)-catalyzed diboration of methylenecyclopropanes with bis(pinacolato)diboron [(Me4C2O2)B-B(O2C2Me4)] in toluene selectively provided the corresponding 2,4-bis(boryl)-1-butene and its analogs in good yields through the cleavage of the proximal bond of the cyclopropane ring.

diboron - platinum - methylenecyclopropane

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