Novel Capsular Aggregates from Flexible Tripodal Triureas with Cs Symmetry

…, RA Orenes, JAK Howard, EC Spencer…

Index: Alajarin, Mateo; Orenes, Raul-Angel; Howard, Judith A. K.; Spencer, Elinor C.; Steed, Jonathan W.; Pastor, Aurelia Chemistry - A European Journal, 2012 , vol. 18, # 8 p. 2389 - 2397

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Abstract

Abstract Tris (2-and 3-ureidobenzyl) amines with C s symmetry self-assemble in solution forming mixtures of regioisomeric capsular aggregates, one of which is chiral and the other centrosymmetric. Under certain conditions, a predominance of the centrosymmetric regioisomer is found before equilibrium, that is, a mixture close to the statistical ratio of the two species is reached. In the solid state, there is a preference for the centrosymmetric ...

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