Comprehensive Chirality 2012
DOI: 10.1016/b978-0-08-095167-6.00518-8
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Cited by 10 publications
(5 citation statements)
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“…There are several key features that differentiates this reaction from the more well-studied (P)Ni(allyl)Br-catalysed hydrovinylation of 1,3-dienes 87 and the hydroalkenylation reaction of 1,3-dienes catalysed by Br 2 Co(P ∼ P)/Zn/ZnI 2 . 88 Whereas the nickel-catalysed reaction is completely inhibited by chelating ligands, 67 , 89 the cobalt-catalysed reaction works well with a wide range of chelating ligands, and, by appropriate tuning of these ligands it is possible to obtain synthetically useful yields and selectivities of specific isomers of these hydrovinylation products.…”
Section: Discussionmentioning
confidence: 99%
“…There are several key features that differentiates this reaction from the more well-studied (P)Ni(allyl)Br-catalysed hydrovinylation of 1,3-dienes 87 and the hydroalkenylation reaction of 1,3-dienes catalysed by Br 2 Co(P ∼ P)/Zn/ZnI 2 . 88 Whereas the nickel-catalysed reaction is completely inhibited by chelating ligands, 67 , 89 the cobalt-catalysed reaction works well with a wide range of chelating ligands, and, by appropriate tuning of these ligands it is possible to obtain synthetically useful yields and selectivities of specific isomers of these hydrovinylation products.…”
Section: Discussionmentioning
confidence: 99%
“…Catalytic hydrovinylation can be viewed as the heterocodimeri-sation between an activated olefin and ethylene catalysed by atransition metal complex, usually based on Ni or Pd [40,41]. Theinterest in this reaction is steadily increasing, especially regardingthe asymmetric version [41][42][43]. The model vinyl arene substrateused was styrene with neutral Pd complexes 10-12 as catalyticprecursors (Scheme 7).…”
Section: Asymmetric Hydrovinylationmentioning
confidence: 99%
“…We reasoned that the Ni–H species could catalyze hydroalkylation reactions between 1,3-dienes and simple ketones to yield γ,δ-unsaturated ketones (Scheme b). Herein, we report the nickel-catalyzed addition of simple ketones to 1,3-dienes (i.e., hydroalkylation of 1,3-dienes) in high yield with excellent regioselectivity for the 1,2-addition product (that is, the product of Markovnikov addition) . We also accomplished an asymmetric version of this reaction with high enantioselectivity by using a C 2 -symmetric biaryl bisphosphine ligand.…”
mentioning
confidence: 99%