Abstract

Electrocyclizations provide some of the most impressive examples of diastereoselectivity in synthesis. This is due to the high level of stereochemical control exerted by the conservation of orbital symmetry. Herein, the authors show how electrocyclizations can be used to synthesize stereochemically interesting four- to eight-membered rings as well as bicyclic ring systems using electrocyclizations and electrocyclization cascades. Both thermal and photochemical reactions are covered and substrates containing heteroatoms are discussed along with all-carbon systems.

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