Abstract
A new bridging reagent,N,N′-bis (chloroacetyl) propylenediamine was used to explore the relative activity and bridging pattern ofp-tert-butylcalix[4] arene,p-tert-butylcalix[6] arene and butylcalix[8] arene. It was found that the bridging reaction is selectively, at least, preferably at 1,3-position forp-tert-butylcalix [4] arene andp-tert-butylcalix[6]arene, 1,5-position forp-tert-butylcalix [8]arene. Taking the yield of bridged calixarene as a comparsion standard, the activity decreases with the increasing of the number of phenolic units in calixarene.
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Foundation item: Supported by the National Natural Science Foundation of China (20272044).
Biography: LI Jun (1978-), female, Master candidate, research direction: calixarene chemistry
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Jun, L., Wei, W., Shu-ling, G. et al. Bridging of calixarenes withN,N′-bis (chloroacetyl) propylenediamine. Wuhan Univ. J. Nat. Sci. 9, 509–512 (2004). https://doi.org/10.1007/BF02830453
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DOI: https://doi.org/10.1007/BF02830453