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Synlett 2001; 2001(Special Issue): 1006-1008
DOI: 10.1055/s-2001-14647
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Novel Synthesis of 2,3-Bisboryl-1,3-dienes from 1-Bromo-1-lithioethene and 1,1-Bisborylalkenes

Masaki Shimizu* , Takuya Kurahashi, Tamejiro Hiyama
  • *Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan; Fax + 81 75 753 5555; E-mail: shimizu@npc05.kuic.kyoto-u.ac.jp
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Publikationsdatum:
31. Dezember 2001 (online)

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Treatment of 1,1-[bis(pinacolato)boryl]alkenes with excess of 1-bromo-1-lithioethene was found to give 2,3-bis[(pinacolato)boryl]-1,3-dienes in moderate to good yields. Synthetic applications of 2,3-[bis(pinacolato)boryl]-1,3-butadiene were also demonstrated.

boron - lithium - carbenoids - insertion - alkenes