104-41-6Relevant articles and documents
Photodegradative surfactants: p-dodecylbenzyltrimethylammonium bromide as a photodegradative emulsifier for microemulsion polymerization
Itoh, Yoshihiro,Horiuchi, Satoshi,Yamamoto, Kenji
, p. 814 - 815 (2005)
A photodegradative surfactant, p-dodecylbenzyltrimethylammonium bromide, was used as an emulsifier for micro-emulsion polymerization of methyl methacrylate in water. The resulting polymer latex was coagulated during UV irradiation. The analysis of the centrifuged solid after irradiation indicated almost perfection of both recovery of the polymer and removal of surface-active species from it. Copyright
Highly nucleophilic Vitamin B12-assisted nickel-catalysed reductive coupling of aryl halides and non-activated alkyl tosylates
Komeyama, Kimihiro,Ohata, Ryo,Kiguchi, Shinnosuke,Osaka, Itaru
supporting information, p. 6401 - 6404 (2017/07/10)
Reductive cross-coupling of aryl halides with ubiquitous alkyl tosylates was developed using a combination of nickel and vitamin B12 (VB12: cyanocobalamin) catalysts. The tosylate was activated by reduced VB12 to form alkyl cobalt(iii), which served as a good alkylating agent for aryl-nickel species, leading to C(sp3)-C(sp2) bond formation.
PROCESS FOR PREPARING ORGANIC COMPOUNDS BY A TRANSITION METAL-CATALYSED CROSS-COUPLING REACTION OF AN ARYL-X, HETEROARYL-X, CYCLOALKENYL-X OR ALKENYL-X COMPOUND WITH AN ALKYL, ALKENYL, CYCLOALKYL OR CYCLOALKENYL HALIDE
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Page/Page column 11, (2009/10/06)
A process for preparing organic compounds of the general formula (I) [in-line-formulae]R—R′??(I),[/in-line-formulae] where R is a substituted or unsubstituted aromatic, heteroaromatic, cycloalkenylic or alkenylic radical andR′ is a substituted or unsubstituted alkylic, alkenylic, cycloalkylic or cycloalkenylic radical, by reacting a corresponding compound of the general formula (II) [in-line-formulae]R—X??(II),[/in-line-formulae] where X is chlorine, bromine, iodine, diazonium, mesylate (methanesulphonate), tosylate (p-toluenesulphonate) or triflate (trifluorosutphonate) andR is as defined for formula (I), with a corresponding compound of the general formula (III) [in-line-formulae]R′—Y??(III),[/in-line-formulae] where Y is chlorine, bromine or iodine andR′ is as defined for formula (I), wherein the reaction is carried out in the presence of a) stoichiometric amounts of elemental magnesium, based on the compound of the general formula (II), andb) catalytic amounts of a transition metal compound, based on the compound of the general formula (II), and, if appropriate, c) in the presence of a nitrogen-, oxygen- and/or phosphorus-containing additive in a catalytic or stoichiometric amount, based on the compound of the general formula (II), is described. It is particularly advantageous that the process of the invention is carried out as a one-pot reaction and the organomagnesium compound (Grignard compound) formed in situ as intermediate is not isolated.
Domino iron catalysis: Direct aryl-alkyl cross-coupling
Czaplik, Waldemar Maximilian,Mayer, Matthias,Von Wangelin, Axel Jacobi
supporting information; experimental part, p. 607 - 610 (2009/04/14)
(Chemical Equation Presented) Striking while the iron is hot: Cheap FeCl3 serves as the precatalyst for the direct cross-coupling of aryl and alkyl halides that is based on the sequence of Grignard formation and subsequent cross-coupling. This