Detailed Information on Publication Record
2002
Synthesis, characterisation and extraction behaviour of calix[4]arene-based phosponic acids
JUREČKA, Petr, Pavel VOJTÍŠEK, Karel NOVOTNÝ, Jan ROHOVEC, Ivan LUKEŠ et. al.Basic information
Original name
Synthesis, characterisation and extraction behaviour of calix[4]arene-based phosponic acids
Authors
JUREČKA, Petr (203 Czech Republic, guarantor), Pavel VOJTÍŠEK (203 Czech Republic), Karel NOVOTNÝ (203 Czech Republic), Jan ROHOVEC (203 Czech Republic) and Ivan LUKEŠ (203 Czech Republic)
Edition
Journal of the chemical society. Perkin transactions II, Physical organic chemistry, London, Chemical society, 2002, 1472-779X
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10406 Analytical chemistry
Country of publisher
United Kingdom of Great Britain and Northern Ireland
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 1.911
RIV identification code
RIV/00216224:14310/02:00006329
Organization unit
Faculty of Science
UT WoS
000176467400025
Keywords in English
synthesis; extraction agent; calix[4]arene
Změněno: 11/8/2009 14:38, doc. Mgr. Karel Novotný, Ph.D.
Abstract
V originále
Three new bis(phosponic) acids were prepared by derivatization of p-tert-butylcalix[4]arene on the lower rim by -(CH2)x-PO3H2 groups and were fully characterized by NMR spectroscopy; some of them were further investigated by X-ray analysis. The compounds obtained were tested as extractants for La3+, Eu3+, Yb3+ and Th4+ in 0.1 - 1 M HNO3. Structural details of the complex HLn(H2L1)2 where Ln = Y, La, Eu were elucidated by NMR techniques in solution. The extraction efficiencies decrease with increasing length of the CH2 spacer; the dependence is not monotonic, and an extraordinary selectivity was observed for Yb. The extraction efficiency of Ln3+ for all of the ligands studied increased significantly with decreasing ionic radius.
Links
MSM 143100003, plan (intention) |
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