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Bent Structure and Dynamic Stereochemistry of Chiral Acridinium Cations

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posted on 08.07.2003, 00:00 by Benoît Laleu, Christelle Herse, Bo W. Laursen, Gérald Bernardinelli, Jérôme Lacour
Chiral acridinium cations, easily prepared by reaction of enantiopure primary amines and tris(2,6-dimethoxy)trityl cation, display restricted rotations around the C(sp3)−N(sp2) bond. A bending of the aromatic backbone and “out-of-plane” displacements of C(9) and N(10) atoms are enforced if bulky amines are introduced.