Radicals

Iodoheptene Radical Cyclisation Exo

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

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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

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