Volume 38, Issue 4 pp. 533-535
Communication

A Chelate with Conformational Memory?

M. Aránzazu Alonso

M. Aránzazu Alonso

Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, E-47005 Valladolid (Spain), Fax: (+349) 983-423013

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Juan A. Casares

Juan A. Casares

Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, E-47005 Valladolid (Spain), Fax: (+349) 983-423013

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Pablo Espinet

Pablo Espinet

Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, E-47005 Valladolid (Spain), Fax: (+349) 983-423013

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Katerina Soulantica

Katerina Soulantica

Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, E-47005 Valladolid (Spain), Fax: (+349) 983-423013

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Abstract

Coordinated out, pendant in! Exchange of coordinated for pendant amino groups is achieved by the complex cation 1. The incoming group attacks the concave and convex positions with the same rate and always adopts the same conformation as the leaving group. However, this “conformational memory” is an inexorable consequence of well-known and dependable concepts: the principle of microscopic reversibility and the induction of chirality in prochiral reagents.

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