Journal
ORGANIC CHEMISTRY FRONTIERS
Volume 3, Issue 3, Pages 359-363Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5qo00399g
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Funding
- National Natural Science Foundation of China [21372046, 21532001]
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A copper(I)-catalyzed three-component reaction of triethoxysilanes, DABCO center dot(SO2)(2), and alkyl halides is reported for the first time. This transformation provides a convenient and facile route to sulfones under ligand-free conditions catalyzed by copper(I) oxide. The insertion of sulfur dioxide is efficient, and both triethoxyarylsilanes and triethoxyalkylsilanes are practicable during the coupling process. A plausible mechanism is proposed, supported by theoretical calculations.
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