caa a22 4500 469059648 CHVBK 20180323132853.0 cr unu---uuuuu 170328e19920801xx s 000 0 eng 10.1007/BF01133235 doi (NATIONALLICENCE)springer-10.1007/BF01133235 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 [Elektronische Daten] [Salvatore Failla, Paolo Finocchiaro] The title macrocycle 1 was synthesised in good yield (66%) by a one-pot condensation process from 2,3-bis(chloromethyl)-p-xylene andN,N′-ditosylethylendiamine. The macrocycle was found to undergo isomerization processes at elevated temperature on the NMR time scale (ΔG≠ = 87.8 kJ mol−1) and acts as a suitable host only for toluene. The FAB-MS spectra of1 is rich, and full of interesting and very diagnostic fragmentation pathways. Kluwer Academic Publisher, 1992 Isomerization processes nationallicence FAB-MS spectra nationallicence selective clathration nationallicence Failla Salvatore Institute of Chemistry, Faculty of Engineering, University of Catania, Viale A. Doria 6, 95125, Catania, Italy aut Finocchiaro Paolo Institute of Chemistry, Faculty of Engineering, University of Catania, Viale A. Doria 6, 95125, Catania, Italy aut Journal of inclusion phenomena and molecular recognition in chemistry Kluwer Academic Publishers 13/4(1992-08-01), 361-367 0923-0750 13:4<361 1992 13 10847 https://doi.org/10.1007/BF01133235 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01133235 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Failla Salvatore Institute of Chemistry, Faculty of Engineering, University of Catania, Viale A. Doria 6, 95125, Catania, Italy aut NATIONALLICENCE 700 1- Finocchiaro Paolo Institute of Chemistry, Faculty of Engineering, University of Catania, Viale A. Doria 6, 95125, Catania, Italy aut NATIONALLICENCE 773 0- Journal of inclusion phenomena and molecular recognition in chemistry Kluwer Academic Publishers 13/4(1992-08-01), 361-367 0923-0750 13:4<361 1992 13 10847 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer