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Des calix[n]arenes (n=4, 6, 8) portant des cetoesters sont etudies; pour n=4, ils presentent a l'etat solide une conformation en cone, leurs cryptates avec des metaux alcalins sont egalement etudies… (More)
Sodium-selective electrodes were prepared with polymeric membranes containing ester and ketone derivatives of p-tert-butyl calixarene. The electrodes were prepared with 2-nitrophenyl octyl ether… (More)
The cation complexing abilities of a series of p-tert-butylcalixarenes bearing ligating ester groups in the cone conformation have been assessed by stability constant measurements in methanol and… (More)
Calixarene tetraethyl ester (1a) is hydrolysed by trifluoroacetic acid with the loss of one, and only one, ester group to form a monoacid triester; the process, which is inhibited by Na+ ion, is… (More)