Synthesis, x-ray structure and anion binding properties of a cryptand-like hybrid calixpyrrole
Cafeo, G., Colquhoun, H. M., Cuzzola, A., Gattuso, M., Kohnke, F. H., Valenti, L. and White, A. J. P. (2010) Synthesis, x-ray structure and anion binding properties of a cryptand-like hybrid calixpyrrole. Journal of Organic Chemistry, 75 (18). pp. 6263-6266. ISSN 1520-6904
To link to this article DOI: 10.1021/jo1010262
The novel cryptand in/out-3, containing two tripyrrolemethane units briged by three 1,3- diisopropylidenbenzene arms was readily synthesized by a convergent three-step synthesis. It binds fluoride by inclusion with excellent selectivity with respect to a number of other tested anions. The structure of the free receptor and that of its fluoride complex were investigated in solution by NMR spectroscopy. The solid state X-ray structure of the free cryptand 3 was also determined.
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