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Directed Self‐Assembly of Chiral, Optically Active Macrocyclic Tetranuclear Molecular Squares
Author(s) -
Stang Peter J.,
Olenyuk Bogdan
Publication year - 1996
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199607321
Subject(s) - diastereomer , optically active , trifluoromethanesulfonate , chemistry , stereochemistry , metal , crystallography , organic chemistry , catalysis
Exclusive formation of one of the six possible diastereomers (see formula on the right) is observed in the near‐quantitative self‐assembly of optically active tetranuclear molecular squares from a mixture of the corresponding triflate bisphosphane transition metal complexes and diaza ligands. Asymmetric induction through the chiral bisphosphane ligands and restricted rotation about the bonds between the metal centers and the nitrogen atoms of the heteroarene ligands play vital roles.