Synthesis and extraction studies of 1, 2-and 1, 3-disubstituted butylcalix [4] arene amides with oxyions; geometric and conformational effects

OM Falana, H áFred Koch, D áMax Roundhill…

Index: Falana, Olusegun M.; Koch, H. Fred; Roundhill, D. Max; Lumetta, Gregg J.; Hay, Benjamin P. Chemical Communications, 1998 , # 4 p. 503 - 504

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Citation Number: 30

Abstract

26, 28-(Dibutylcarbamoyl) methoxy-5, 11, 17, 23-tert-butylcalix [4] arene and two geometric isomers of 27, 28-(dibutylcarbamoyl) methoxy-5, 11, 17, 23-tert-butylcalix [4] arene have been used to extract UVI, MoVI, CrVI and SeVI from aqueous solution into toluene or isooctane.