Iodoheptene Radical Cyclisation Exo

NOTE: Important charges and non-bonding electrons are shown throughout the animation except during the transition state phase.

Click the structures and reaction black arrows in sequence to view the 3D models and animations respectively

The reaction proceeds via an abstraction of iodine by a trimethyltin radical. The chain can then twist into a position to cyclise and form the major exo product. The abstraction of hydrogen from trimethyltinhydride by the methylcyclohexane radical to form the exo product is not shown.

Onto Endo IodoHeptene Cyclisation

Back to Radical Cyclisation Summary

H. Fischer and L. Radom, Angew. Chemie Int. Ed., 2001, 40, 1340–1371.

 

 

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