SCHEDULED MAINTENANCE
The anion binding behaviour of a number of pyrrolylamidourea and thiourea compounds have been studied in DMSO solution. Mono-amidothioureapyrrole compounds were found to be deprotonated by basic anions such as fluoride, acetate, benzoate or dihydrogenphosphate with the structure of the deprotonated species elucidated by X-ray crystallography. 2,5-Bis-amidoureapyrroles were synthesized and found to be effective anion receptors for a range of putative anionic guests.
L. S. Evans, P. A. Gale, M. E. Light and R. Quesada, New J. Chem., 2006, 30, 1019 DOI: 10.1039/B603223K
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