caa a22 4500 46906014X CHVBK 20180323132854.0 cr unu---uuuuu 170328e19920601xx s 000 0 eng 10.1007/BF01029667 doi (NATIONALLICENCE)springer-10.1007/BF01029667 New preorganized calix[4]arenes. Part I. A doubly-crowned calix and a double-calixcrown derived from 4,6,10,12,16,18,22,24,25,26,27,28-Dodecamethyl-5,11,17,23-tetrahydroxycalix[4] arene [Elektronische Daten] [Zouhair Asfari, Sebastiano Pappalardo, J. Vicens] A doubly-crowned calix and a double-calixcrown derived from 4,6,10,12,16,18,22,24,25,26,27, 28-dodecamethyl-5,11,17, 23-tetrahydroxycalix[4]arene (1) have been prepared by reaction of appropriate oligoethylene glycol ditosylates with (1) in acetonitrile in the presence of potassium carbonate. A potassium template effect is observed during one of the double cyclizations. Kluwer Academic Publishers, 1992 Preorganized calix[4]arenes nationallicence mesitol-derived calix[4]arene nationallicence Asfari Zouhair URA 405 du C.N.R.S., E.H.I.C.S., 1, rue Blaise Pascal, F-67008, Strasbourg, France aut Pappalardo Sebastiano Dipartimento di Scienze Chimiche, Università di Catania, 8, Viale A. Doria, I-95125, Catania, Italy aut Vicens J. URA 405 du C.N.R.S., E.H.I.C.S., 1, rue Blaise Pascal, F-67008, Strasbourg, France aut Journal of inclusion phenomena and molecular recognition in chemistry Kluwer Academic Publishers 14/2(1992-06-01), 189-192 0923-0750 14:2<189 1992 14 10847 https://doi.org/10.1007/BF01029667 text/html Onlinezugriff via DOI 1 brief-communication jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01029667 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Asfari Zouhair URA 405 du C.N.R.S., E.H.I.C.S., 1, rue Blaise Pascal, F-67008, Strasbourg, France aut NATIONALLICENCE 700 1- Pappalardo Sebastiano Dipartimento di Scienze Chimiche, Università di Catania, 8, Viale A. Doria, I-95125, Catania, Italy aut NATIONALLICENCE 700 1- Vicens J. URA 405 du C.N.R.S., E.H.I.C.S., 1, rue Blaise Pascal, F-67008, Strasbourg, France aut NATIONALLICENCE 773 0- Journal of inclusion phenomena and molecular recognition in chemistry Kluwer Academic Publishers 14/2(1992-06-01), 189-192 0923-0750 14:2<189 1992 14 10847 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer