financially supported by Institute of Nuclear Physics and Chemistry of CAEP(NoHG2008061)
A series of novel calix[4]arenecrown-6 derivatives with an alkenyl loop of various sizes 5-8 were synthesized via intramolecular ring closing olefin metathesis and characterized by ~1H NMR,^(13)C NMR and ESI-HRMS.Th...