Characterisation of the supramolecular structure of malonamides by application of pulsed field gradients in NMR spectroscopy Export

@article{citeulike:3501928, abstract = {Malonamides are known and extensively studied for their lanthanide and actinide extracting properties. Those studies have also highlighted aggregated phenomena and a splitting of the organic phase, in some particular experimental conditions. To explain this behaviour of extractants, 1H NMR was used to study micellar phenomena by the determination of the self-diffusion coefficients of two malonamides only different by the length of their alkyl chain (DMDBTDMA and DMDBPMA), in presence of n-dodecane and for systems saturated with water or anhydrous. Several information on the aggregates and on the malonamide supramolecular structure were obtained by fitting the curves of self-diffusion coefficient vs. concentration and by conjugated NMR experimental data to potentiometric titrations and physical measurements.}, author = {Dozol, Helene and Berthon, Claude}, citeulike-article-id = {3501928}, citeulike-linkout-0 = {http://dx.doi.org/10.1039/b707897h}, citeulike-linkout-1 = {http://www.rsc.org/Publishing/Journals/article.asp?doi=b707897h}, doi = {10.1039/b707897h}, journal = {Phys. Chem. Chem. Phys.}, keywords = {diffusion, nmr}, number = {37}, pages = {5162--5170}, posted-at = {2008-11-10 22:50:05}, priority = {2}, publisher = {The Royal Society of Chemistry}, title = {Characterisation of the supramolecular structure of malonamides by application of pulsed field gradients in NMR spectroscopy}, url = {http://dx.doi.org/10.1039/b707897h}, volume = {9}, year = {2007} }

TY - JOUR ID - citeulike:3501928 L3 - citeulike-article-id:3501928 N2 - Malonamides are known and extensively studied for their lanthanide and actinide extracting properties. Those studies have also highlighted aggregated phenomena and a splitting of the organic phase, in some particular experimental conditions. To explain this behaviour of extractants, 1H NMR was used to study micellar phenomena by the determination of the self-diffusion coefficients of two malonamides only different by the length of their alkyl chain (DMDBTDMA and DMDBPMA), in presence of n-dodecane and for systems saturated with water or anhydrous. Several information on the aggregates and on the malonamide supramolecular structure were obtained by fitting the curves of self-diffusion coefficient vs. concentration and by conjugated NMR experimental data to potentiometric titrations and physical measurements. IS - 37 JF - Phys. Chem. Chem. Phys. EP - 5170 TI - Characterisation of the supramolecular structure of malonamides by application of pulsed field gradients in NMR spectroscopy PB - The Royal Society of Chemistry VL - 9 SP - 5162 KW - diffusion KW - nmr AU - Dozol, Helene AU - Berthon, Claude PY - 2007/// UR - http://dx.doi.org/10.1039/b707897h ER -