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Addition of carbon nucleophiles to cyclic N-acyliminium ions in SDS/water
(Pergamon-elsevier Science LtdOxfordInglaterra, 2004)
Intramolecular Phl=O mediated copper-catalyzed aziridination of unsaturated sulfamates: A new direct access to polysubstituted amines from simple homoallylic alcohols
(American Chemical Society, 2002-07)
(Matrix presented) Olefinic sulfamates derived from primary and secondary alcohols undergo intramolecular copper-catalyzed aziridination in the presence of iodosylbenzene to afford novel bicyclic fused aziridines. The ...
Novel manganese (III) porphyrin containing peripheral [RuCl(dppb)(X-bipy)](+) cations [dppb=1,4-bis(diphenylphosphino) butane and X = -CH3, -OMe, -Cl]. X-ray structure of the cis-[RuCl(dppb)(bipy)(4-Mepy)]PF6 complex
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
New tetraruthenated manganese (III) porphyrins were synthesized and characterized (P-31 NMR, cyclic voltammetry, UV-Vis). This new system presents four units of cationic ``[RuCl(dppb)(X-bipy)](+)``. The electrochemical and ...
Spectroscopic and voltametric studies in titanium tris(pyrazolyl)borate catalysts
(2005)
The ethylene polymerization using TpMs*TiCl3 (1) (TpMs* = HB(3-mesitylpyrazolyl)2(5-mesitylpyrazolyl)−) and TpMsTiCl3 (2) (TpMs = HB(3-mesityl-pyrazolyl)3−) was performed in toluene or hexane at 60 °C in the presence of ...
Degradación catalítica de polietileno de baja densidad utilizando catalizadores de FCC
(2018-05-14)
RESUMEN:
Tomando en cuenta que los desechos de productos plásticos es de gran preocupación a nivel mundial, investigaciones recientes se han enfocado en nuevas tecnologías de reciclaje de este tipo de residuos. Gran parte ...
Conversão de dióxido de carbono em carbonato orgânico cíclico utilizando catalisadores zeolíticos impregnados com haletos metálicos
(Universidade Federal do Rio de JaneiroBrasilEscola de QuímicaUFRJ, 2022)