Cycloaddition: Difference between revisions

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Types of cycloaddition: Note cat, and cheletropic reactions, tie in a huge number of spin-off articles on DA reaction
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===Cheletropic reactions===
[[Cheletropic reaction]]s are a subclass of cycloadditions. The key distinguishing feature of cheletropic reactions is that on one of the reagents, both new bonds are being made to the same atom. The cassicclassic example is the reaction of [[sulfur dioxide ]] with a [[diene]].
 
:[[File:Cheletropic reaction of butadiene with SO2.svg|150px]]