The title macrocycle 1 was synthesised in good yield (66%) by a one-pot condensation process from 2,3-bis(chloromethyl)-p-xylene and N,N'-ditosylethylendiamine. The macrocycle was found to undergo isomerization processes at elevated temperature on the NMR time scale (DELTAG(not-equal) 87.8 kJ mol-1) and acts as a suitable host only for toluene. The FAB-MS spectra of 1 is rich, and full of interesting and very diagnostic fragmentation pathways.
Synthesis, characterization, NMR study and clathration ability of N,N′,N″,N″′-tetratosyl-8,11,21,24-tetramethyl-2,5,14,17,-tetraaza-[6.6]-paracyclophane
FAILLA, Salvatore;
1992-01-01
Abstract
The title macrocycle 1 was synthesised in good yield (66%) by a one-pot condensation process from 2,3-bis(chloromethyl)-p-xylene and N,N'-ditosylethylendiamine. The macrocycle was found to undergo isomerization processes at elevated temperature on the NMR time scale (DELTAG(not-equal) 87.8 kJ mol-1) and acts as a suitable host only for toluene. The FAB-MS spectra of 1 is rich, and full of interesting and very diagnostic fragmentation pathways.File in questo prodotto:
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