1968
DOI: 10.1021/ja01010a041
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Two modes of formation of carbonium ions from olefins and suitable electron acceptors

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Cited by 34 publications
(11 citation statements)
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“…Not only do Lewis Acids give rise to these kinetic problems, but also to chemical problems regarding the necessity or otherwise for co-catalyst molecules, and, in this regard, Kennedy (6) has recently tried to crystallise current thinking. Experiments involving low molecular weight model systems have also gone some way to providing an understanding of such catalyst-cocatalyst complexities (7)(8)(9).…”
Section: R Rmentioning
confidence: 99%
“…Not only do Lewis Acids give rise to these kinetic problems, but also to chemical problems regarding the necessity or otherwise for co-catalyst molecules, and, in this regard, Kennedy (6) has recently tried to crystallise current thinking. Experiments involving low molecular weight model systems have also gone some way to providing an understanding of such catalyst-cocatalyst complexities (7)(8)(9).…”
Section: R Rmentioning
confidence: 99%
“…(46) is indicated as a dication, there is no evidence for difunctionality, i.e., conversion of one chain end to a radical species by reoxidation of the metal salt may result in termination by the latter which is a radical trap. However, the formation of dications from the reaction between an olefin and a metal salt electron acceptor has been confirmed by the reaction of 1,l-diphenylethylene with antimony pentachloride at -80°C in methylene chloride (27). The formation of a dicarbonium ion was demonstrated spectrophotometrically by NMR measurements as well as by the identification of the products of quenching reactions.…”
Section: >N-ch=chmentioning
confidence: 92%
“…An alternate route for the formation of a carbonium ion is the disproportionation of antimony pentachloride followed by addition to the olefin (27). 2SbC15 SbCla+SbCls-…”
Section: >N-ch=chmentioning
confidence: 99%
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“…It was shown that dimerization was possible only in the presence of a cocatalyst (H,O, HCl). SZWARO et al showed that in the presence of SbCl, the product of dimerization is 1,1,4,4-tetraphenyl butadiene-1,3 [2]. It was estimated by them that the reaction proceeded through the stage of single electron transfer and formation of a cation radical of DPHE and subsequent recombination of radicals.…”
Section: Introductionmentioning
confidence: 99%