Results 1 to 10 of about 165,033 (270)
Enable biomass-derived alcohols mediated alkylation and transfer hydrogenation [PDF]
Nature CommunicationsA single-atom catalyst with generally regarded inert Zn–N4 motifs derived from ZIF-8 is unexpectedly efficient for the activation of alcohols, enabling alcohol-mediated alkylation and transfer hydrogenation. C-alkylation of nitriles, ketones, alcohols, N-
Xixi Liu +6 more
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Ketone α-alkylation at the more-hindered site
Nature Communications, 2023 Control of the regioselectivity of α-alkylation of carbonyl compounds is a longstanding topic of research in organic chemistry. By using stoichiometric bulky strong bases and carefully adjusting the reaction conditions, selective alkylation of ...
Ming-Ming Li +6 more
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Multiple glassy dynamics of a homologous series of triphenylene-based columnar liquid crystals -- A study by broadband dielectric spectroscopy and advanced calorimetry [PDF]
Journal of Molecular Liquids 358, 119212 (2022), 2022 Hexakis(n-alkyloxy)triphenylene) (HATn) consisting of an aromatic triphenylene core and alkyl side chains are model discotic liquid crystal (DLC) systems forming a columnar mesophase. In the mesophase, the molecules of HATn self-assemble in columns, which has one-dimensional high charge carrier mobility along the columns.
arxiv +1 more source
Versatile cell-based assay for measuring DNA alkylation damage and its repair
Scientific Reports, 2021 DNA alkylation damage induced by environmental carcinogens, chemotherapy drugs, or endogenous metabolites plays a central role in mutagenesis, carcinogenesis, and cancer therapy.
Yong Li +5 more
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Alkylation of Dihydrofullerenes [PDF]
The Journal of Organic Chemistry, 2002 The fulleride dianions C(60)(2-) and C(70)(2-) were generated by deprotonation of the corresponding hydrogenated fullerenes, 1,2-C(60)H(2) and 1,2-C(70)H(2). These anions were prepared in the presence of a variety of alkylating agents, and mono- or dialkylated products were obtained. Alkylation was not successful with sulfonate ester alkylating agents.
Mark S. Meier +4 more
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Nature Communications, 2023 C−C bond forming reaction by alkylation of aryl rings is a main pillar of chemistry in the production of broad portfolios of chemical products. The dominant mechanism proceeds via electrophilic substitution of secondary and tertiary carbocations over ...
Xinze Du +3 more
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Heterocyclic Communications, 2021 This mini-review encapsulates the latest findings (past 10 years) in the field of the deep eutectic solvents (DESs) application in the alkylation/arylation of different heterocyclic compounds.
Molnar Maja +4 more
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Exploring organic semiconductors in solution: The effects of solvation, alkylization, and doping [PDF]
PCCP 23, 4841 (2021), 2021 The first-principles simulation of the electronic structure of organic semiconductors in solution poses a number of challenges that are not trivial to address simultaneously. In this work, we investigate the effects and the mutual interplay of solvation, alkylization, and doping on the structural, electronic, and optical properties of sexithiophene, a ...
arxiv +1 more source
Copper(I)-catalyzed asymmetric alkylation of α-imino-esters
Nature Communications, 2023 Asymmetric alkylation of enolates is one of the most direct and important reactions to prepare α-chiral carbonyl compounds. Except for the classical methods that rely on the use of chiral auxiliaries, asymmetric catalysis emerged as a powerful tool ...
Zong-Ci Liu +3 more
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Meitan kexue jishu, 2023 Coal-tar pitch (CTP) is a substance produced by ambient and/or vacuum distillation of high-temperature coal tar, although CTP has a large yield in China, however its wide application is limited due to its high toxicity.
ZHANG Wenshuo +5 more
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