Going full circle: Pericyclic reactions can be catalyzed by groups that can bind selectively to a pericyclic transition-state structure (blue) either by interacting directly with rearranging electrons (green) or interacting with substituents (red). The recent success in accelerating six-electron electrocyclizations by using Lewis acids (LAs) is discussed in this Highlight. Future prospects for catalyst design are also emphasized.
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Dean J. Tantillo (2008) studied this question.
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