AI Article Synopsis
- Several types of chiral ligands, like ditopic, tritopic, and tetratopic ones, were evaluated to create reusable catalysts for the Henry reaction.
- The ligands tested are based on bis(oxazoline) and azabis(oxazoline) structures, showing generally positive results.
- However, there's a complex balance between the ligand's ability to coordinate, its catalytic efficiency, and how easily the catalyst can be recovered, which is influenced by the formation of oligomers in solution.
Article Abstract
Several kinds of polytopic chiral ligands (including ditopic, tritopic and tetratopic), based on the bis(oxazoline) and azabis(oxazoline) motifs, have been tested in the preparation of recoverable catalytic systems for the Henry reaction. The results obtained with the different ligands are, in general, good, but they point to the existence of a delicate balance between the coordinating ability of the ligand, the catalytic activity and the recovery of the catalyst by formation of the coordination polymer, related to the easiness to form oligomeric species in solution.
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| http://dx.doi.org/10.1039/c5ob01033k | DOI Listing |
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