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- Title
Modular Synthesis of Linear Bis- and Tris-monodentate Fused [6]Polynorbornane-Based Ligands and their Assembly into Coordination Cages.
- Authors
Johnstone, Mark D.; Schwarze, Eike K.; Clever, Guido H.; Pfeffer, Frederick M.
- Abstract
A modular approach has been developed for the synthesis of rigid linear di- and tritopic ligands based on a fused [6]polynorbornane scaffold. The design provides up to three sites for installing functionality, including both "ends" and a "central" position with the advantage that each region can be independently addressed during synthesis. To illustrate the utility of the approach, both pyridyl and picolyl units were incorporated to provide six new ligands, with centers and ends either matched or mismatched. Indeed, both [M2L4] cages with endohedral functionality and [M3L4] complexes were cleanly produced from these ligands with assembled structures confirmed by using ¹H NMR spectroscopy, HRMS, and molecular modelling.
- Subjects
LIGANDS (Chemistry); MOLECULAR self-assembly; MOLECULAR models; NUCLEAR magnetic resonance spectroscopy; MASS spectrometry; PYRIDYL compounds
- Publication
Chemistry - A European Journal, 2015, Vol 21, Issue 10, p3948
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201405037