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. 2012 Dec 21;51(52):13105-8.
doi: 10.1002/anie.201208147. Epub 2012 Nov 19.

A Möbius antiaromatic complex as a kinetically controlled product in phosphorus insertion to a [32]heptaphyrin

Tomohiro Higashino  1 , Byung Sun Lee, Jong Min Lim, Dongho Kim, Atsuhiro Osuka
Affiliations

A Möbius antiaromatic complex as a kinetically controlled product in phosphorus insertion to a [32]heptaphyrin

Tomohiro Higashino et al. Angew Chem Int Ed Engl. .

Abstract

Singly twisted Möbius antiaromatic [34]heptaphyrin A and doubly twisted Hückel aromatic [34]heptaphyrin B were formed by a phosphorus insertion reaction. A rearranges thermally to give the more stable B with P=O migration from NNN to NNC, and thus A is a rare case of a kinetically controlled Möbius antiaromatic molecule.

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