Now, a hypervalent iodine reagent, in conjunction with gold catalysis, has been utilized to control their reactivity, allowing efficient formation of cyclopropenyl alkynes/alkenes.doi:10.1038/s41557-024-01541-wDoobary SayadOlofsson BeritNature Publishing Group UKNature Chemistry...
Tris(dimethylamino)-cyclopropenium cation (I) undergoes a facile oxidation to the radical dication (I2). The E.S.R. spectrum of I2, which covers a range of almost 200 gauss, has been analysed in terms of the coupling constants aN=7·51 (three 14N nuclei) and aHCH3=8·16 gauss (...
Synthesis of N-methyl-1-(2,3-bis(dicyclohexylamino)cyclopropenium)-4-vinylbenzylamine chloride (CPCy) To a dry round bottom flask of 2,3-bis(dicyclohexylamino)-1-chlorocyclopropenium chloride (22.1 g, 47.3 mmol, 1.0 equiv) under argon was added CH2Cl2 (150 ml) and triethylamine...
The cyclopropenium ion, an aromatic cation, is the smallest member of the Hückel aromatic systems. It was first prepared by Breslow in 1957 as triphenylcyclopropenium perchlorate.[ 1 ] Despite the apparent inherent strain in the cyclopropene ring, cyclopropenium ions possess considerable thermodyn...
PatelDep.GarimaDep.GarimaDep.LalDep.DharDep.S.Dep.John Wiley & Sons, Ltd.ChemInformVishnu P.Srivastava,RajeshPatel,GarimaGarima,Lal Dhar S.Yadav.ChemInform Abstract: Cyclopropenium Ion Catalyzed Beckmann Rearrangement.[J]. ChemInform .2010(51)...
ChemInform Abstract: 1-FLUORO-BENZOCYCLOPROPENIUM ION FROM 1,1-DIFLUORO-BENZOCYCLOPROPENstructure (organic substances)intermediates (and their reactions)doi:10.1002/chin.197449096ULRICHBURGERPAULMUELLERLAURAZUIDEMAChemischer Informationsdienst
We investigate synthetic strategies of cationic surface-charged nanoparticles using cyclopropenium-based (CP) monomers and block copolyelectrolytes (BCPEs) via surfactant-free emulsion polymerization. The monomers and BCPEs themselves were found to stabilize oil-in-water emulsions. With these systems, th...
cyclopropeniumionsionicliquidsligandsThis review covers the preparation, physical properties, and applications of cyclopropenium ions bearing one, two, or three amino substituents. It provides a description of the most reliable methods to access these unique structures as well as a discussion of the ...
Product Name:1,2,3-Tris(diethylamino)cyclopropenium bis(trifluoromethanesulfonyl)imide Synonyms:1,2,3-Tris(diethylamino)cyclopropenium bis(trifluoromethanesulfonyl)imide;1,2,3-Tris(diethylamino)cyclopropenylium bis(trifluoromethanesulfonyl)imide;1,2,3-Tris(diethylamino)cyclopropenylium bis(trifluorometha...
cyclopropenium cationsdichloridesgas-phase clustershydratesion pairsA discrete dichloride tetrahydrate cluster, [Cl2(H2O)4]2–, was obtained as a salt of the bis(diphenylamino)diethylamino cyclopropenium cation [C3(NPh2)2(NEt2)]+ and characterized by single crystal X‐ray diffraction and infrared...