Reactions of différent combinations of group V alkoxides or tungsten oxyalkoxide salts with -butylcalix[8]areneH (LH) affords mixed-metal calix[8]arene systems. Intruiging molecular structures are formed and the systems are capable of the ring opening polymerisation of ε-caprolactone under N, air, or as melts affording mostly low molecular weight products.
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http://dx.doi.org/10.1039/d2cc02236b | DOI Listing |
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