Reaction Details

Norrish Type Cleavage

Norrish Type I Cleavage: Homolytic cleavage of aldehydes and ketones originating from their excited nπ* state. Synthetically useful for the ring cleavage of cyclic ketones:

Norrish Type Cleavage

Norrish Type II Cleavage: Reaction originating from the nπ* excited state of aldehydes and ketones that involves intramolecular γ-hydrogen abstraction followed by cleavage of the resulting diradical to an olefin and an enol which tautomerizes to the carbonyl compound:

Norrish Type Cleavage

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