Dynamic control of topological asymmetry:
The modeled ligands were synthesized in the racemic and enantiomerically pure forms , as shown in the schemes below. Enantiomerically pure ligands were prepared by classical resolution of the racemic mixture of the corresponding amine. A list of the full chemical names for the ligands is available.
Scheme 1 
Synthesis of a-MeTPA
Scheme 2 
Synthesis of a-PhTPA
Scheme 3 
Synthesis of a-MeBQPA
Except in the case of the a-PhTPA ligand,
for which only the racemic form was prepared.
Canary, J.W.; Allen, C.S.; Castagnetto, J.M.; Wang, Y.
J. Am. Chem. Soc. 1995, 117, 8484.
Canary, J.W.; Allen, C.S.; Castagnetto, J.M.; Wang, Y.; Xu, X.,
manuscript in preparation.
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Last Updated: Saturday, June 01, 1996