Controlling the outcome of SN2 reactions in ionic liquids: from rational data set design to predictive linear regression models was written by Schindl, Alexandra;Hawker, Rebecca R.;Schaffarczyk McHale, Karin S.;Liu, Kenny T.-C.;Morris, Daniel C.;Hsieh, Andrew Y.;Gilbert, Alyssa;Prescott, Stuart W.;Haines, Ronald S.;Croft, Anna K.;Harper, Jason B.;Jager, Christof M.. And the article was included in Physical Chemistry Chemical Physics in 2020.Product Details of 404001-48-5 This article mentions the following:
Rate constants for a bimol. nucleophilic substitution (SN2) process in a range of ionic liquids are correlated with calculated parameters associated with the charge localization on the cation of the ionic liquid (including the mol. electrostatic potential). Simple linear regression models proved effective, though the interdependency of the descriptors needs to be taken into account when considering generality. A series of ionic liquids were then prepared and evaluated as solvents for the same process; this data set was rationally chosen to incorporate homologous series (to evaluate systematic variation) and functionalities not available in the original data set. These new data were used to evaluate and refine the original models, which were expanded to include simple artificial neural networks. Along with showing the importance of an appropriate data set and the perils of overfitting, the work demonstrates that such models can be used to reliably predict ionic liquid solvent effects on an organic process, within the limits of the data set. In the experiment, the researchers used many compounds, for example, 3-Dodecyl-1-methyl-1H-imidazol-3-ium bis((trifluoromethyl)sulfonyl)amide (cas: 404001-48-5Product Details of 404001-48-5).
3-Dodecyl-1-methyl-1H-imidazol-3-ium bis((trifluoromethyl)sulfonyl)amide (cas: 404001-48-5) belongs to imidazole derivatives. 1H-imidazole is an imidazole tautomer which has the migrating hydrogen at position 1. It is a conjugate base of an imidazolium cation. It is a conjugate acid of an imidazolide. It is a tautomer of a 4H-imidazole. Imidazole is incorporated into many important biological compounds. The most pervasive is the amino acid histidine, which has an imidazole side-chain. Histidine is present in many proteins and enzymes, e.g. by binding metal cofactors, as seen in hemoglobin.Product Details of 404001-48-5
Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem