Comparison of group 14 elements in sp3 and sp2 environment by fragment structure energy analysis
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Computational Chemistry"
DOI: 10.1002/jcc.26718
Abstract: To explore the characteristics of group 14 elements in sp3 and sp2 hybrid environments systematically, the concept of fragment structure energy (FSE) was proposed through ab initio molecular orbital method. A fragment in this study… read more here.
Keywords: energy; group; group elements; environment ... See more keywords
Evidence for the production of hydroxyl radicals at boron-doped diamond electrodes with different sp3/sp2 ratios and its relationship with the anodic oxidation of aniline
Sign Up to like & getrecommendations! Published in 2018 at "Electrochemistry Communications"
DOI: 10.1016/j.elecom.2018.03.007
Abstract: Abstract In this work, the electrochemical production of hydroxyl radicals on boron-doped diamond (BDD) electrodes with different sp3/sp2 ratios was studied, together with the relationship between the level of production of hydroxyl radicals and the… read more here.
Keywords: production hydroxyl; hydroxyl; diamond; hydroxyl radicals ... See more keywords
Acetylides for the Preparation of Phosphorescent Iridium(III) Complexes: Iridaoxazoles and Their Transformation into Hydroxycarbenes and N,C(sp3),C(sp2),O-Tetradentate Ligands
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic Chemistry"
DOI: 10.1021/acs.inorgchem.2c03522
Abstract: The preparation of three families of phosphorescent iridium(III) emitters, including iridaoxazole derivatives, hydroxycarbene compounds, and N,C(sp3),C(sp2),O-tetradentate containing complexes, has been performed starting from dimers cis-[Ir(μ2-η2-C≡CR){κ2-C,N-(MeC6H3-py)}2]2 (R = tBu (1a), Ph (1b)). Reactions of 1a with… read more here.
Keywords: iridium iii; sp3 sp2; sp2 tetradentate;
Ligand-Enabled Sequential C(sp3)-H and C(sp2)-H Diolefination Reaction via Palladium Catalyst.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c02502
Abstract: Palladium-catalyzed sequential C(sp3)-H and C(sp2)-H bond diolefination reaction of o-toluidine has been realized for the first time using acetyl-protected aminoethyl phenyl thioether ligands. This novel reaction allows for preparation of the conjugated diene structure via… read more here.
Keywords: diolefination reaction; sequential sp3; diolefination; reaction ... See more keywords
B-Alkyl sp3-sp2 Suzuki-Miyaura Couplings under Mild Aqueous Micellar Conditions.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b00961
Abstract: Use of B-sp3-alkyl reagents for Suzuki-Miyaura couplings under aqueous micellar catalysis conditions is reported. Studies as to substrate scope, use in a four-step one-pot sequence, and reaction medium recycling exemplify the synthetic utility of this… read more here.
Keywords: couplings mild; miyaura couplings; alkyl sp3; aqueous micellar ... See more keywords
Dealkenylative Thiylation of C(sp3)-C(sp2) Bonds.
Sign Up to like & getrecommendations! Published in 2019 at "Organic letters"
DOI: 10.1021/acs.orglett.9b03186
Abstract: Carbon-carbon bond fragmentations are useful methods for the functionalization of molecules. The value of such cleavage events is maximized when paired with subsequent bond formation. Herein we report a protocol for the cleavage of an… read more here.
Keywords: sp3; bond; dealkenylative thiylation; thiylation sp3 ... See more keywords
Photocatalytic Methylation of Nonactivated sp3 and sp2 C–H Bonds Using Methanol on GaN
Sign Up to like & getrecommendations! Published in 2020 at "ACS Catalysis"
DOI: 10.1021/acscatal.0c00881
Abstract: Although the development of C-H functionalization methods has enlightened many new reactivities in chemistry, the direct functionalization of unactivated C-H bonds, which are particularly common in... read more here.
Keywords: methylation nonactivated; nonactivated sp3; bonds using; photocatalytic methylation ... See more keywords
Experimental and Computational Studies of Palladium-Catalyzed Spirocyclization via a Narasaka-Heck/C(sp3 or sp2)-H Activation Cascade Reaction.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c04114
Abstract: The first synthesis of highly strained spirocyclobutane-pyrrolines via a palladium-catalyzed tandem Narasaka-Heck/C(sp3 or sp2)-H activation reaction is reported here. The key step in this transformation is the activation of a δ-C-H bond via an in… read more here.
Keywords: narasaka heck; heck sp3; palladium catalyzed; reaction ... See more keywords
Novel and facile synthesis of 1-benzazepines via copper-catalyzed oxidative C(sp3)-H/C(sp2)-H cross-coupling.
Sign Up to like & getrecommendations! Published in 2017 at "Chemical communications"
DOI: 10.1039/c7cc07027f
Abstract: A novel and facile synthetic strategy for the construction of 1-benzazepines has been developed via copper-catalyzed oxidative C(sp3)-H/C(sp2)-H cross-coupling directly from two inert C-H bonds. This transformation represents an atom- and step-economical way to synthesize… read more here.
Keywords: oxidative sp3; copper catalyzed; via copper; sp3 sp2 ... See more keywords
Hydrodealkenylative C(sp3)–C(sp2) bond fragmentation
Sign Up to like & getrecommendations! Published in 2019 at "Science"
DOI: 10.1126/science.aaw4212
Abstract: Excising an olefin Plants produce an abundance of structurally complex terpene compounds that are useful precursors to pharmaceuticals and other fine chemicals. However, the carbon frameworks of these compounds constrain the available pathways for diversification.… read more here.
Keywords: hydrodealkenylative sp3; bond; ozone iron; sp3 sp2 ... See more keywords