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Pericyclic Reactions: Further Examples

Pericyclic Reactions: Chelotropic Reactions

In principle, chelotropic reactions are special cases of cycloadditions and cycloreversions. They are defined as reactions in which two σ bonds that terminate at a single atom are made or broken in concert, i.e., one of the two components participates with only one center. Examples:

Examples for chelotropic reactions

In a strict sense, the addition of carbene to double bonds can also be considered a chelotropic reaction, for example:

Addition of carbenes to alkenes
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