Thionyl
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2007-03-29T21:43:07Z
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[[Image:Thionyl-group.png|thumb|150px|right|The structure of the thionyl group]]
The '''thionyl''' group is SO, a [[sulfur]] atom plus an [[oxygen]] atom.
It occurs in compounds such as [[thionyl fluoride]], SOF<sub>2</sub>.
[[Thionyl chloride]], SOCl<sub>2</sub>, is a common reagent used in [[organic synthesis]] to convert [[carboxylic acid]]s to [[acyl chloride]]s.
In [[organic chemistry]], the thionyl group is known as a [[sulfoxide|sulfoxide group]], and has the general structure RS(=O)R'.
==References==
{{Greenwood&Earnshaw}}
[[Category:Thionyl compounds]]
{{chem-stub}}