Synthesis of 1-alkylimidazoles

AA Gridnev, IM Mihaltseva - Synthetic communications, 1994 - Taylor & Francis
… By adjusting the conditions such that the rate of the hydrolysis of linear products is equal
to the rate of condensation, we can expect accumulation of imidazole due to its stability …

Unsymmetrical dimethylhydrazine transformation products: A review

AL Milyushkin, AE Karnaeva - Science of The Total Environment, 2023 - Elsevier
… This is a PDF file of an article that has undergone … , but it is not yet the definitive version
of record. This version will undergo additional copyediting, typesetting and review before it is

Bacteriochlorophyll/imidazole and chlorophyll/imidazole complexes are negatively charged in an apolar environment

J Matysik, C Erkelens, FB Hulsbergen, P Gast… - Chemical Physics …, 2000 - Elsevier
… From our results, it appears that when the imidazole nitrogen is bound to Mg, the other
nitrogen is deprotonated, and the complex carries a net negative charge. In a way, the Mg 2+ can …

Bridged imidazolium salts used as precursors for chelating carbene complexes of palladium in the Mizoroki-Heck reaction

T Scherg, SK Schneider, GD Frey, J Schwarz… - Synlett, 2006 - thieme-connect.com
A variety of chiral and achiral imidazolium salts is synthesized. Methylene-, ethylene-,
propylene-and pyridinyl-bridged bis (imidazolium) halides are used to generate the respective free …

Enhancing NMR of insensitive nuclei by transfer of SABRE spin hyperpolarization

AN Pravdivtsev, AV Yurkovskaya, H Zimmermann… - Chemical Physics …, 2016 - Elsevier
… Such signals can only be obtained for free S in solution; for bound S, the NMR intensity was
estimated by multiplying the NMR signal of free S by the corresponding concentration ratio …

… characterization of 1-mesityl-1, 3-dihydro-imidazole-2-selone and bis (1-mesitylimidazol-2-yl) diselenide: Experimental evidence that the selone is more stable than …

VK Landry, M Minoura, K Pang… - Journal of the …, 2006 - ACS Publications
… the DFT calculations, however, is that the selone tautomer of (seim Mes )H is considerably
more stable than the selenol tautomer by 10.7 kcal mol - 1 , a result that is in accord with the …

Dicationic chelating N-heterocyclic carbene complexes of palladium: new catalysts for the copolymerisation of C2H4 and CO

MG Gardiner, WA Herrmann, CP Reisinger… - Journal of …, 1999 - Elsevier
… [4], and from this we conclude that the precentage of palladium precatalyst which is actually
participating in the production of copolymer is very small given the large molecular weight of …

New N-methylimidazolium hexachloroantimonate: Synthesis, crystal structure, Hirshfeld surface and catalytic activity of in cyclopropanation of stryrene

KS Etse, G Zaragoza, F Boschini… - Inorganic Chemistry …, 2020 - Elsevier
is reduced when the methyl form of the alkylating agent is used. The reaction Path 2 is probably
kinetically favoured since it is observed that the alkylated product is obtained during long …

Investigation of ligand steric effects on a highly cis-selective Rh (I) cyclopropanation catalyst

ML Rosenberg, E Langseth, A Krivokapic… - New Journal of …, 2011 - pubs.rsc.org
… 1-tert-Butyl imidazole is not commercially available and was prepared by the method of
Gridnev and Mihaltseva. In the synthesis of the imidazolium salt 13, the procedure of Green and …

Metal complexes of chiral imidazolin-2-ylidene ligands

WA Herrmann, LJ Goossen, GRJ Artus… - Organometallics, 1997 - ACS Publications
… metal complexes of chiral imidazolin-2-ylidenes is reported. The retention of the chirality of
the starting materials during the synthesis is proven by NMR data in combination with four X-…