New macrocyclic ligands: XIV. synthesis and X-ray structures of potentially pentadentate ligands incorporating non-symmetrically arranged N4S-, N3OS-, N2O2S- and N2S2O-heteroatoms
- Baldwin, Darren S.
- Bowden, Bruce F.
- Duckworth, Paul A.
- Lindoy, Leonard F.
- Mccool, Brian J.
- Meehan, George V.
- Vasilescu, Ioana M.
- Wild, S. Bruce
DOIAbstract
The synthesis and characterization of new mixed-donor macrocyclic ligands incorporating nitrogen, sulfur and/or oxygen heteroatoms are described. The new 17- or 18-membered macrocyclic rings contain unsymmetrical arrangements of their heteroatoms in contrast to related, previously reported rings in which the donor sets are arranged symmetrically. The X-ray structures of the 17-membered rings incorporating N4O- and N4S-donor sets are presented
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