Alkane Carbon-Hydrogen Bond Functionalization as a Tool Toward a Steric Parameter for Hydrotris(pyrazolyl)borate (Tpx) Ligands
Sign Up to like & getrecommendations! Published in 2017 at "Israel Journal of Chemistry"
DOI: 10.1002/ijch.201700110
Abstract: The effect of a series of hydrotris(pyrazolyl)borate ligands (Tpx) in the regioselectivity of the catalytic functionalization of the secondary carbon-hydrogen bonds of hexane with ethyl diazoacetate and TpxCuL as the catalysts has led to the… read more here.
Keywords: pyrazolyl borate; carbon hydrogen; steric parameter; parameter ... See more keywords
Adapting the French nuclear fleet to integrate variable renewable energies via the production of hydrogen: Towards massive production of low carbon hydrogen?
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2017.01.146
Abstract: Abstract Producing low-carbon hydrogen at a competitive rate is becoming a new challenge with respect to efforts to reduce greenhouse gas emissions. We examine this issue in the French context, which is characterised by a… read more here.
Keywords: production; hydrogen; carbon hydrogen; low carbon ... See more keywords
Impact of drill core contamination on compound-specific carbon and hydrogen isotopic signatures
Sign Up to like & getrecommendations! Published in 2019 at "Organic Geochemistry"
DOI: 10.1016/j.orggeochem.2019.01.003
Abstract: Abstract Compound-specific carbon and hydrogen isotope ratios are routinely measured on extractable organic matter to decipher biogeochemical processes and events in Earth history. To deliver accurate interpretations, it is paramount that isotopic values are derived… read more here.
Keywords: carbon hydrogen; isotopic; compound specific;
Controllable cyanation of carbon-hydrogen bonds by zeolite crystals over manganese oxide catalyst
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/ncomms15240
Abstract: The synthesis of organic nitriles without using toxic cyanides is in great demand but challenging to make. Here we report an environmentally benign and cost-efficient synthesis of nitriles from the direct oxidative cyanation of primary… read more here.
Keywords: hydrogen bonds; cyanation; carbon hydrogen; manganese oxide ... See more keywords
Gold nanoparticle-catalysed functionalization of carbon-hydrogen bonds by carbene transfer reactions.
Sign Up to like & getrecommendations! Published in 2022 at "Dalton transactions"
DOI: 10.1039/d1dt04351j
Abstract: Gold nanoparticles stabilized by NHC ligands and supported onto reduced graphene oxide (rGO) catalyse the functionalization of cyclohexane and benzene C-H bonds upon insertion of carbene CHCO2Et (from N2CHCO2Et) groups. This is the first example… read more here.
Keywords: catalysed functionalization; functionalization; carbon hydrogen; functionalization carbon ... See more keywords
Carbon nanowires made by the insertion-and-fusion method toward carbon-hydrogen nanoelectronics.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d3nr00386h
Abstract: Carbon nanowires (CNWs), long linear carbon chains encapsulated inside carbon nanotubes, exhibit sp hybridization characteristics as one of one-dimensional nanocarbon materials. The research interests on CNWs are accelerated by the successful experimental syntheses from the… read more here.
Keywords: carbon chains; insertion fusion; carbon nanowires; carbon ... See more keywords
Carbon-hydrogen defects with a neighboring oxygen atom in n-type Si
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4993934
Abstract: We report on the electrical activation of neutral carbon-oxygen complexes in Si by wet-chemical etching at room temperature. Two deep levels, E65 and E75, are observed by deep level transient spectroscopy in n-type Czochralski Si.… read more here.
Keywords: oxygen; carbon; carbon hydrogen; type ... See more keywords
Cu(II) carboxylate arene C─H functionalization: Tuning for nonradical pathways
Sign Up to like & getrecommendations! Published in 2022 at "Science Advances"
DOI: 10.1126/sciadv.add1594
Abstract: We report carbon-hydrogen acetoxylation of nondirected arenes benzene and toluene, as well as related functionalization with pivalate and 2-ethylhexanoate ester groups, using simple copper(II) [Cu(II)] salts with over 80% yield. By changing the ratio of… read more here.
Keywords: carboxylate arene; tuning nonradical; functionalization; arene functionalization ... See more keywords
Diversification of aliphatic C–H bonds in small molecules and polyolefins through radical chain transfer
Sign Up to like & getrecommendations! Published in 2022 at "Science"
DOI: 10.1126/science.abh4308
Abstract: The ability to selectively introduce diverse functionality onto hydrocarbons is of substantial value in the synthesis of both small molecules and polymers. Herein, we report an approach to aliphatic carbon–hydrogen bond diversification using radical chain… read more here.
Keywords: radical chain; carbon; carbon hydrogen; chain transfer ... See more keywords
Iron-catalyzed arene C−H hydroxylation
Sign Up to like & getrecommendations! Published in 2021 at "Science"
DOI: 10.1126/science.abj0731
Abstract: Description Ironing on hydroxyls Although iron-dependent enzymes efficiently hydroxylate aryl rings, this activity has proven hard to replicate with synthetic catalysts. Cheng et al. report that a disulfide ligand activates iron to catalyze carbon–hydrogen hydroxylation… read more here.
Keywords: hydrogen peroxide; iron; carbon hydrogen; hydroxylation ... See more keywords
Stereochemical editing logic powered by the epimerization of unactivated tertiary stereocenters
Sign Up to like & getrecommendations! Published in 2022 at "Science"
DOI: 10.1126/science.add6852
Abstract: The stereoselective synthesis of complex targets requires the precise orchestration of chemical transformations that simultaneously establish the connectivity and spatial orientation of desired bonds. In this work, we describe a complementary paradigm for the synthesis… read more here.
Keywords: configuration; stereochemical editing; carbon hydrogen; unactivated tertiary ... See more keywords