Journal
ORGANOMETALLICS
Volume 33, Issue 10, Pages 2661-2666Publisher
AMER CHEMICAL SOC
DOI: 10.1021/om500411b
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Funding
- National Basic Research Program of China [2010CB923303, 2013CB922101]
- National Science Foundation of China [21271102]
- Natural Science Foundation of Jiangsu Province [BK20130054]
- Graduate Innovation Fund of China [2012CL03]
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: We present the first synthesis and characterization of a series of boron-fused 1,4-dithiin compounds through the reactions of newly established boron-substituted 16e half-sandwich complex Cp*Co(9,12-S2C2B10H10) with alkynes. The generated C2S2B2 ring in these 1,4-dithiin species is a stable structural motif with electron-negative sulfur atoms, as evidenced by theoretical calculation and its solid-state self-assembly. Single-crystal X-ray analysis indicates that C-carb-H center dot center dot center dot S hydrogen bonding is involved in the self-assemblies of these compounds, which serves as a compatible interaction with stronger C-carb-H center dot center dot center dot pi, C-carb-H center dot center dot center dot O, or C-carb-H center dot center dot center dot F hydrogen bonding. All new compounds are characterized by NMR, mass spectroscopy, and X-ray structural analysis.
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