Di-ionizable p-tert-butylcalix[4]arene-1,2-crown-5 and -crown-6 compounds in the cone conformation: synthesis and alkaline earth metal cation extraction

2006 ◽  
Vol 4 (15) ◽  
pp. 2938 ◽  
Author(s):  
Chuqiao Tu ◽  
Dazhan Liu ◽  
Kazimierz Surowiec ◽  
David W. Purkiss ◽  
Richard A. Bartsch
Keyword(s):  
Metal Cation ◽  
Alkaline Earth ◽  
Earth Metal ◽  
Alkaline Earth Metal ◽  
Cone Conformation ◽  
Alkaline Earth Metal Cation ◽  
Cation Extraction

Synthesis, conformational behaviour, alkali and alkaline-earth metal cation extraction and transport studies of p-tert-butyldihomooxacalix[4]crowns

Tetrahedron ◽  
2002 ◽  
Vol 58 (45) ◽  
pp. 9223-9230 ◽  
Author(s):  
Paula M Marcos ◽  
Sandra Félix ◽  
José R Ascenso ◽  
M Amélia Santos ◽  
Manuel A.P Segurado ◽  
...  
Keyword(s):  
Metal Cation ◽  
Alkaline Earth ◽  
Earth Metal ◽  
Alkaline Earth Metal ◽  
Transport Studies ◽  
Alkaline Earth Metal Cation ◽  
Cation Extraction
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