Synthesis and characterization of ‘calixsalens’: a new class of macrocyclic chiral ligands
- 1 January 1999
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 16,p. 1531-1532
- https://doi.org/10.1039/a900018f
Abstract
Template directed reaction of dialdehydes and (R,R)- or (S,S)-1,2-diaminocyclohexane affords a practical route to chiral, metal-free macrocyclic salen dimers which have a novel calixarene-like structure and show catalytic activity for enantioselective epoxidation of unfunctionalized alkenes in the presence of MnIII–NaOCl (aq.).Keywords
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