Affiliation:
1. Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
Abstract
B-B Bond
Alkynes contain carbon-carbon triple bonds and represent a diverse class of organic compounds. In principle, valence rules suggest that the boron analog of an alkyne, with a B-B triple bond, ought to be accessible by appending a two-electron donor to each B atom.
Braunschweig
et al.
(p.
1420
; see the Perspective by
Frenking and Holzmann
) now present the synthesis, isolation, and crystallization of a solid, triple-bonded diboryne, with N-heterocyclic carbenes as the terminal substituents, which contains the expected linear bonding geometry.
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
505 articles.
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