Search results for " imidazoli"

showing 10 items of 29 documents

Self-assembly process of diimidazolium salts: the effect of the alkyl chain length and isomeric substitution

Settore CHIM/06 - Chimica Organicaself- assembly imidazolium salts
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CCDC 196105: Experimental Crystal Structure Determination

2004

Related Article: M.Nissinen, K.Rissanen|2003|Supramol.Chem.|15|581|doi:10.1080/10610270310001605179

Space GroupCrystallography281420-tetraethyl-461012161822-heptahydroxy-24-oxycalix(4)arene imidazolium clathrate ethanol solvateCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 127935: Experimental Crystal Structure Determination

2001

Related Article: S.Kiviniemi, M.Nissinen, M.T.Lamsa, J.Jalonen, K.Rissanen, J.Pursiainen|2000|New J.Chem.|24|47|doi:10.1039/a907608e

Space GroupCrystallographyBenzo-18-crown-6 imidazolium clathrate perchlorateCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1428618: Experimental Crystal Structure Determination

2015

Related Article: Angélique Lascaux, Gaël De Leener, Luca Fusaro, Filip Topić, Kari Rissanen, Michel Luhmer, Ivan Jabin|2016|Org.Biomol.Chem.|14|738|doi:10.1039/C5OB02067K

Space GroupCrystallographyCrystal SystemCrystal Structure3915354156-hexa-t-butyl-526061-trimethoxy-193146-trioxa-22252849-tetraazanonacyclo[23.19.7.71733.1711.13943.15458.0545.01318.03237]henhexaconta-1(45)247(60)81013151732343639(52)404254(61)5557-octadecaene-232750-trione calix[6]cryptamide imidazolidin-2-one chloroform pentane solvateCell ParametersExperimental 3D Coordinates
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CCDC 127937: Experimental Crystal Structure Determination

2001

Related Article: S.Kiviniemi, M.Nissinen, M.T.Lamsa, J.Jalonen, K.Rissanen, J.Pursiainen|2000|New J.Chem.|24|47|doi:10.1039/a907608e

Space GroupCrystallographyCrystal SystemCrystal StructureCell ParametersDibenzo-21-crown-7 imidazolium clathrate perchlorateExperimental 3D Coordinates
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CCDC 1428619: Experimental Crystal Structure Determination

2015

Related Article: Angélique Lascaux, Gaël De Leener, Luca Fusaro, Filip Topić, Kari Rissanen, Michel Luhmer, Ivan Jabin|2016|Org.Biomol.Chem.|14|738|doi:10.1039/C5OB02067K

Space GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates3915354156-hexa-t-butyl-526061-trimethoxy-193146-trioxa-22252849-tetraazanonacyclo[23.19.7.71733.1711.13943.15458.0545.01318.03237]henhexaconta-1(45)247(60)81013151732343639(52)404254(61)5557-octadecaene-232750-trione calix[6]cryptamide imidazolidin-2-one chloroform diisopropyl ether solvate
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CCDC 122142: Experimental Crystal Structure Determination

1999

Related Article: S.Kiviniemi, A.Sillanpaa, M.Nissinen, K.Rissanen, M.T.Lamsa, J.Pursiainen|1999|Chem.Commun.||897|doi:10.1039/a902014d

Space GroupCrystallographyCrystal SystemDibenzo-18-crown-6 imidazolium clathrate perchlorateCrystal StructureCell ParametersExperimental 3D Coordinates
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Geminal Imidazolium Salts: A new Class of Gelators

2012

The gelling behavior of some geminal diimidazolium salts was investigated in solvents differing in polarity and hydrogen bond donor ability. The used salts, namely the 3,3'-di-n-decyl-1,1'(1,4-phenylenedimethylene)diimidazolium dibromide [p-Xyl-(decim)(2)][Br](2) (1), the 3,3'-di-n-dodecyl-1,1'(1,4-phenylenedimethylene)diimidazolium dibromide [p-Xyl-(dodecim)(2)][Br](2) (2), and the 3,3'-di-n-dodecyl-1,1'(1,4-phenylenedimethylene)diimidazolium ditetrafluoroborate [p-Xyl-(dodecim)(2)][BF(4)](2) (3), differ in the alkyl chain length and in the anion properties, such as size, shape, and coordination ability. In all cases in which gelation process was observed, the obtained gels were characteri…

Supramolecular chemistrychemistry.chemical_compoundBromidePolymer chemistryElectrochemistryMoleculeOrganic chemistryGeneral Materials ScienceSpectroscopyAlkylchemistry.chemical_classificationMolecular StructureGeminalHydrogen bondChemistryImidazolesHydrogen BondingSurfaces and InterfacesSettore CHIM/06 - Chimica OrganicaCondensed Matter PhysicsResonance (chemistry)Geminal imidazolium salts Low molecular weight gelator OrganogelThermodynamicsSaltsChemical stabilityGelsOrganogels Hydrogels imidazolium salts
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Imidazolium-Functionalized Carbon Nanohorns for the Conversion of CO2 Unprecedented Increase of Catalytic Activity after Recycling

2017

Carbon nanohorns (CNHs) were selected as a novel catalytic platform for the design of imidazolium based hybrid materials able to promote the conversion of carbon dioxide into cyclic carbonates. Several heterogeneous catalysts were prepared using a one-step procedure based on the radical polymerization of various bis-vinylimidazolium salts in the presence of pristine CNHs. The as-synthesized materials were tested for the fixation of CO2 into epoxides. The excellent catalytic performances were evaluated in terms of turnover number and productivity. The versatility of the above hybrids was proved using several epoxides as substrate. Catalysts recyclability was successfully verified for several…

carbon dioxide conversion carbon nanohorns cyclic carbonates heterogeneous catalysis imidazolium saltsSettore CHIM/06 - Chimica Organica
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Crystal structure of 2-methyl-1H-imidazol-3-ium hydrogen oxalate dihydrate

2016

In the title mol­ecular salt 2-methyl-1H-imidazol-3-ium hydrogen oxalate dihydrate, N—H⋯(O,O) and O—H⋯O hydrogen bonds link the components into a bilayer-like assembly.

crystal structurecrystal structure organic salt monosubstituted imidazolium hydrogen oxalate hydrogen bonds monohydrateHydrogenOxalic acidInorganic chemistrychemistry.chemical_elementSalt (chemistry)Crystal structuremonosubstituted imidazolium010402 general chemistry010403 inorganic & nuclear chemistry[ CHIM ] Chemical Sciences01 natural sciencesOxalateResearch Communicationslaw.inventionCrystalchemistry.chemical_compoundlawmonohydrate[CHIM.CRIS]Chemical Sciences/Cristallography[CHIM]Chemical SciencesGeneral Materials ScienceCrystallizationComputingMilieux_MISCELLANEOUSchemistry.chemical_classificationCrystallographyHydrogen bondGeneral ChemistryCondensed Matter Physics0104 chemical sciences3. Good healthCrystallographychemistryQD901-999hydrogen bondsorganic salthydrogen oxalateActa Crystallographica Section E Crystallographic Communications
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