I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.
Pentaethylene glycol di-p-toluenesulfonate is used in the preparation of calixarenes, calixarenes, and crown ethers. It is also used in the preparation of 3?-formylbenzo-18-crown-6 by undergoing coupling reaction with 2,3-dihydroxybenzaldehyde.
Hong-Seok Kim.; Ii-Chun Kwon.; Jun-Hyeak Choi. Synthesis of crown ethers containing a thiazole subcyclic unit. Journal of Heterocyclic Chemistry. 1999 36 (5), 1285-1289.
Chuqiao Tu.; Dazhan Liu.; Kazimierz Surowiec.; David W. Purkiss.; Richard A. Bartsch. Di-ionizable p-tert-butylcalixarene-1,2-crown-5 and -crown-6 compounds in the cone conformation: synthesis and alkaline earth metal cation extraction. Org. Biomol. Chem. 2006, 4 (11), 2938-2944.