Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 136, Issue 9, Pages 3382-3384Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja501291p
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Funding
- NSF [CHE-0911081]
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The quintuply bonded a-diimine chromium dimer [(LCr)-L-H-Cr-iPr](2) reductively couples cyclohexyl isocyanide to produce various novel nitrogen heterocycles. Tetramerization yielded, inter alia, the aromatic squaramidinate, i.e. [C-4(NCy)(4)](2-), whereas hexamerization produces a substituted 1,4-diaza-bicyclo[3.3.0]octadiene dianion. These unprecedented transformations complement the coupling reactions of isoelectronic CO, and they may prove synthetically useful.
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