Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 694, Issue 20, Pages 3349-3352Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2009.05.036
Keywords
Boryl zirconacyclopropene; Phosphine; Alkyne insertion; Boryl-1,3-butadiene
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Funding
- Hebrew University
- Israeli Science Foundation [1358/05]
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Boryl zirconacyclopropenes stabilized with tributylphosphine react with alkynes (terminal and internal) to give predominately 2-boryl-1,3-butadienes, 5, in 40-81% isolated yields. Products 5 are accompanied by 1-boryl-1,3-butadienes in 8-30% when terminal alkynes are inserted. However, the use of an internal alkyne (3-hexyne) gave predominantly 6c. (C) 2009 Elsevier B.V. All rights reserved.
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