1,3-Lower rim selenium-containing calix[4]arenes are synthesized from 1,3-di(2-chloroethoxy)-p-tert-butylcalix[4]arene and corresponding diselenides, and found to possess high Ag+ extraction selectivity.
References
1.
GokelG. W., Chem. Soc. Rev., 1992, 21, 39.
2.
NabeshimaT., TsukadaN., NishimaK., OhshiroH. and YanoY., J. Org. Chem., 1996, 61, 4342 and refs. therein.
3.
ScheerderJ., van DuynhovenJ. P. M., EngbersenJ. F. J. and ReinhoudtD. N., Angew. Chem., Int. Ed. Engl., 1996, 35, 1090; KohK. N., ImadaT., NagasakiT. and ShinkaiS., Tetrahedron Lett., 1994, 35, 4157; LoeberC., WieserC., MattD., CianA. D., FischerJ. and TowpetL., Bull. Soc. Chim. Fr., 1995, 132, 166 and refs. therein.
4.
LehnJ.-M, Supramolecular Chemistry: Concepts and Perspectives, VCH, Weinheim, 1995 and refs. therein.
5.
GutscheC. D., Calixarenes, Monographs in Supramolecular Chemistry, vol. 1, ed., StoddardJ. F., The Royal Society of Chemistry, Cambridge, 1989; VicensJ. and BöhmerV., Eds., Calixarene, A Versatile Class of Macrocyclic Compounds, Klumer, Dordrecht, 1991.
6.
For recent reviews, BöhmerV., Angew. Chem., Int. Ed. Engl., 1995, 34, 713; IkadaA. and ShinkaiS., Chem. Rev., 1997, 97, 1713.
7.
Calixselenacrown could be considered to be a special exocyclic ligand with respect to the calix[4]arene unit, HuX.-B., LuX.-R. and ChenY.-Y., Chin. Chem. Lett., 1997, 8, 777.
8.
LiuY., LiB., LiZ. Y. and ChenR. T., Chin. Sci. Bull., 1998, 43, 59.
9.
HopeE. G. and LevasonW., Coord. Chem. Rev., 1993, 122, 161; MurrayS. G. and HartleyF. R. J, Chem. Rev., 1981, 81, 365.
10.
For a review on selenacrowns, LiW.-P., LiuX.-F. and XuH.-S., Huaxue Tongbao, 1995.
11.
HuX.-B., TianZ.-J., LuX.-R. and ChenY.-Y., Chin. J. Catal., 1997, 5, 187.
12.
ZhongZ.-L., ChenY.-Y. and LuX.-R., Tetrahedron. Lett., 1995, 36, 3675; ZhongZ.-L., TangC.-P., WuC.-Y. and ChenY.-Y., J. Chem. Soc., Chem. Commun., 1995, 1737.
13.
YaoJ.-Z., TianB.-S. and ChenY.-Y., J. Organomet. Chem., 1997, 534, 51.
