Nickel‐Catalyzed C−H Heteroarylation of Chiral Oxazolines
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DOI: 10.1002/ajoc.201700446
Abstract: Herein，a nickel-catalyzed C-H heteroarylation of 2-position of oxazolines with heteroaryl halides was developed for the efficient synthesis of various oxazoline-containing multi-dentated chiral ligands. read more here.
Keywords: heteroarylation chiral; chemistry; chiral oxazolines; nickel catalyzed ... See more keywords
Nickel‐Catalyzed Hydrophosphonylation and Hydrogenation of Aromatic Nitriles Assisted by Lewis Acid
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DOI: 10.1002/cctc.201801989
Abstract: In this paper, we describe the catalytic hydrophosphonylation of several aromatic nitriles used to synthesize α‐aminophosphonates (α‐APs) using commercially available trialkyl phosphites (P(OR)3, R=Et, iPr, Bu,) and simple and inexpensive nickel chloride (NiCl2.6H2O) as the… read more here.
Keywords: aromatic nitriles; lewis acid; hydrophosphonylation hydrogenation; catalyzed hydrophosphonylation ... See more keywords
Nickel‐Catalyzed Dehydrogenative Couplings
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DOI: 10.1002/cctc.201900254
Abstract: In last decade, nickel‐catalyzed organic reactions made tremendous progress due to their distinctive redox character. It has unfolded many contemporary synthetic transformations namely cross‐coupling, carbon‐carbon bond cleavage and directed C−H functionalization to achieve the targeted… read more here.
Keywords: carbon; catalyzed dehydrogenative; heteroatom; dehydrogenative couplings ... See more keywords
Nickel‐Catalyzed Stereodivergent Synthesis of E‐ and Z‐Alkenes by Hydrogenation of Alkynes
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DOI: 10.1002/cssc.201900784
Abstract: Abstract A convenient protocol for stereodivergent hydrogenation of alkynes to E‐ and Z‐alkenes by using nickel catalysts was developed. Simple Ni(NO3)2⋅6 H2O as a catalyst precursor formed active nanoparticles, which were effective for the semihydrogenation of… read more here.
Keywords: hydrogenation; catalyzed stereodivergent; stereodivergent synthesis; synthesis alkenes ... See more keywords
Preparation of graphene-like carbon attached porous silicon anode by magnesiothermic and nickel-catalyzed reduction reactions
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DOI: 10.1007/s11581-020-03746-8
Abstract: For improving performance of silicon anode in lithium ion batteries, a two-step preparation method was applied for synthesis of silicon carbon powder. The first step was to prepare Si/Ni composite powder by magnesiothermic reduction reaction… read more here.
Keywords: carbon; powder; silicon anode; silicon ... See more keywords
Nickel(II)-catalyzed asymmetric alkylation of acyclic oxocarbenium ions with carboxylic acid derivatives
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Chemical Letters"
DOI: 10.1016/j.cclet.2020.08.034
Abstract: Abstract A nickel(II)-catalyzed asymmetric alkylation of acyclic oxocarbenium ions generated in situ from corresponding acetals with carboxylic acid derivatives to prepare β-alkoxyl carbonyl moieties with diverse α-substituents has been disclosed. The method exhibited broad scope… read more here.
Keywords: alkylation acyclic; catalyzed asymmetric; asymmetric alkylation; carboxylic acid ... See more keywords
Nickel-Catalyzed C−H Functionalization Using A Non-directed Strategy
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DOI: 10.1016/j.chempr.2020.04.005
Abstract: Summary The activation of ubiquitous C–H bonds has great significance in the field of organic synthesis given that it represents an ideal method for directly producing valuable chemicals from structurally simple compounds. First-row transition metals… read more here.
Keywords: non directed; using non; functionalization using; catalyzed functionalization ... See more keywords
Nickel-Catalyzed Carbonylative Synthesis of Functionalized Alkyl Iodides
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DOI: 10.1016/j.isci.2018.09.024
Abstract: Summary Functionalized alkyl iodides are important compounds in organic chemistry and biology. In this communication, we developed an interesting nickel-catalyzed carbonylative synthesis of functionalized alkyl iodides from aryl iodides and ethers. With Mo(CO)6 as the… read more here.
Keywords: alkyl iodides; synthesis functionalized; nickel catalyzed; functionalized alkyl ... See more keywords
Nickel-catalyzed cross-coupling reaction of carbamates with silylmagnesium reagents
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DOI: 10.1016/j.jcat.2019.07.026
Abstract: Abstract The C O bonds are kinetically inert in cross-coupling reactions compared to those of carbon–halogen bonds. Thus, developing methodologies for the activation of C O bonds in cross-coupling reactions remains a major challenge. We… read more here.
Keywords: cross coupling; silylmagnesium reagents; nickel catalyzed; carbamates silylmagnesium ... See more keywords
Eco-friendly and economical gold extraction by nickel catalyzed ammoniacal thiosulfate leaching-resin adsorption recovery
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DOI: 10.1016/j.jclepro.2019.06.182
Abstract: Abstract Nickel catalyzed ammoniacal thiosulfate leaching-resin adsorption recovery, an environmentally friendly and cost-effective process, was developed to extract gold from a gold concentrate calcine. The catalytic mechanism was presented based on thermodynamic analysis that NH… read more here.
Keywords: gold; nickel catalyzed; ammonia; thiosulfate ... See more keywords
Nickel catalyzed oligomerization of internal olefins: Towards lubricant basestocks and high cetane diesel fuels
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DOI: 10.1016/j.poly.2020.114469
Abstract: Abstract Two Ni-diimine catalysts were synthesized in which the sterics of the imine-aryl groups were adjusted, and their reactivities towards 1-pentene and 2-pentene were studied. When the aryl groups are o-isopropyl-phenyl, oligomeric products are formed… read more here.
Keywords: aryl groups; diesel; catalyzed oligomerization; oligomerization internal ... See more keywords