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UGC NET: Pericyclic Reactions

Nidhi T.
30/08/2017 0 0

In organic chemistry, a pericyclic reaction is a type of organic reaction wherein the transition state of the molecule has a cyclic geometry, and the reactionprogresses in a concerted fashion. pericyclic reactions are usually rearrangement reactions.

If Te describes the reaction (thermal/even) the outcome is Ac (antrafacial or conrotarory).

Te = Ac

If one of the letters of te is incorrect (it is not thermal/even but it is thermal/odd or photochemical/even) the outcome is not given by Ac (the outcome is suprafacial or disrotatory).

If both the letters of Te are incorrect (photochemical/odd) the outcome is given by Ac (antrafacial or conrotarory) - 2 negatives make a positive.

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