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Ethylene di(p-toluenesulfonate) [Ethylene glycol ditosylate] has been used in the synthesis of, cyclohexyl-fused 1,4,7-triazacyclononane, 1,2-ethylenecalixarene, 1,3- and 1,4-calixcrown-3, 1,3- and 1,4-calixcrown-4, 1,4-calixbenzocrown-4, 1,2- and 1,3-calixcrown-5.
Graham Stones, et al. Investigation of macrocyclisation routes to 1,4,7-triazacyclononanes: efficient syntheses from 1,2-ditosylamides.Org Biomol Chem.20086(2), 1127-1132.
Li J, et al. Selective bridging of p-tert-butylcalix  arene with polyethylene glycol ditosylates.Tetrahedron,199955(34), 10365-74.
Gefahrenhinweise (EU): H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.