Longlei Hou

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Although the advances on carbon halide reductive elimination have been made, the alkyl bromide and chloride analogues remain a challenge. Here, a palladium(0)-catalyzed iminohalogenation of γ,δ-unsaturated oxime esters is described, and the use of electron-poor phosphine ligands proved to be crucial to promoting alkyl bromide and chloride reductive(More)
Here, the highly enantioselective construction of 3,3-disubstituted tetrahydropyridines via Pd(0)-catalyzed asymmetric vinylborylation of (Z)-1-iodo-dienes and B2pin2 in the presence of a (S)-p-CF3-BnPHOX ligand is reported. This process is supposed to be initiated by oxidative addition of Pd(0) to vinyl iodide, followed by transmetallation with B2pin2,(More)
A Pd(0)/(S)-p-MeO-BnPHOX catalytic system has been established for the asymmetric reductive Heck reaction of (Z)-1-iodo-1,6-dienes, which affords quaternary tetrahydropyridines with good to excellent enantioselectivities. This reaction tolerates a wide range of substituted alkene moieties, including 1,1-disubstituted, 1,1,2-trisubstituted as well as(More)
This paper presents a simple, easy and reliable method for determination of EDTA (ethylenediaminetetraacetic acid) in aqueous system. Using EDTA chelating with ferric irons, an excessive amount of Fe(3+) was added to EDTA solution, and Fe(3+) in excess was reduced by addition of a Na2SO3 solution, the outcome ferrous ions were then reacted with(More)
The π-acid-catalyzed cyclizations of 1,n-enynes by carbophilic activation have been extensively studied and appear as highly attractive processes, yet the cases within a catalytic cycle based on redox principle are rare. Herein, we report the cyclizative addition reactions of 1,6-enynes and sulfonyl chlorides by using a [Rh(cod)Cl/dppf](More)
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