Journal
ORGANIC LETTERS
Volume 13, Issue 18, Pages 4876-4878Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol201957n
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Funding
- EPSRC
- Xunta de Galicia PGIDIT-INCITE and FSE [2009/188, 2010/163]
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The charge-transfer complex generated from the combination of DABCO and sulfur dioxide, DABSO, is a bench-stable colorless solid suitable for use in organic synthesis as a replacement for gaseous sulfur dioxide. The complex can be combined with Grignard reagents to form sulfinates, which can then be converted in situ to a series of sulfonamides. Alternatively, reaction with anilines and Iodine leads to the formation of a series of sulfamides. Cheletropic addition between DABSO and 2,3-dimethylbutadiene provides the corresponding sulfolene.
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