Results 61 to 70 of about 253,250 (328)

Enable biomass-derived alcohols mediated alkylation and transfer hydrogenation

Nature Communications
A 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, Liang Huang, Yuandie Ma, Guoqiang She, Peng Zhou, Liangfang Zhu, Zehui Zhang   +6 more
doaj   +1 more source

Oxidation and alkylation stresses activate ribosome-quality control

Nature Communications, 2019
Oxidation and alkylation of nucleobases are known to disrupt their base-pairing properties within RNA. It is, however, unclear whether organisms have evolved general mechanism(s) to deal with this damage.
Liewei L. Yan, Carrie L. Simms, Fionn McLoughlin, R. Vierstra, Hani S. Zaher   +4 more
semanticscholar   +1 more source

Discovery of New Apoptosis-Inducing Agents for Breast Cancer Based on Ethyl 2-Amino-4,5,6,7-Tetra Hydrobenzo[b]Thiophene-3-Carboxylate: Synthesis, In Vitro, and In Vivo Activity Evaluation

Molecules, 2020
A multicomponent synthesis was empolyed for the synthesis of ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate 1. An interesting cyclization was obtained when the amino-ester 1 reacted with ethyl isothiocyanate to give the benzo[4,5]thieno ...
Emad M. Gad, Mohamed S. Nafie, Elsayed H. Eltamany, Magdy S. A. G. Hammad, Assem Barakat, Ahmed T. A. Boraei   +5 more
doaj   +1 more source

Scalable synthesis of ionic liquids: comparison of performances of microstructured and stirred batch reactors [PDF]

, 2012
A range of alkylpyridinium bromide ionic liquids have been synthesized in a stirred reactor at multigram scale and characterized by physical methods (viscosity, conductivity, melting point, electrochemical window, and water content).
Chaumat, Hélène, Guillen, Frédéric, Iken, Hicham, Mazières, Marie-Rose, Plaquevent, Jean-Christophe, Tzedakis, Théodore   +5 more
core   +3 more sources

Using the Photostationary State of Arylazopyrazoles to Control Phase Transitions of Liquid Crystals

Advanced Functional Materials, EarlyView.
A series of new arylazopyrazole photoswitches is designed as dopants for liquid crystalline materials. Unprecedented, the distribution of photoisomers at the photostationary state upon irradiation with light of specific wavelengths (365, 460, 520 nm) is used to control the liquid crystalline phase transitions under isothermal conditions, including ...
Tobias Thiele, Kristina Hrybenko, Christoph Wölper, Michael Giese   +3 more
wiley   +1 more source

Ti–Pd Alloys as Heterogeneous Catalysts for Hydrogen Autotransfer Reaction and Catalytic Improvement by Hydrogenation Effects [PDF]

, 2019
Ti−Pd alloys were investigated as heterogeneous catalysts for hydrogen autotransfer reactions. This is the first reported study of alloys as catalysts for hydrogen‐borrowing reactions using alcohols.
Kondo Ryota, Obora Yasushi, Suzuki Takeyuki, Takahashi Yuya, Takeshita Hiroyuki T, Utsunomiya Masayoshi, 大洞 康嗣, 竹下 博之, 近藤 亮太   +8 more
core   +1 more source

Dinuclear platinum(II) sulfide–thiolate complexes [Pt₂(μ-S)(μ-SR)(PPh₃)₄]⁺ containing fluorinated substituents and the identification of a SC₆F₅ π interaction in the crystal structure of [Pt₂(μ-S)(μ-SCH₂C₆F₅)(PPh₃)₄]BPh₄•2C₆H₆ [PDF]

, 2011
Reactions of the platinum(II) sulfido complex [Pt₂(μ-S)₂(PPh₃)₄] with the alkyl iodides ICH₂CH₂(CF₂)nCF₃ (n = 3, 7) gives good yields of the monoalkylated products [Pt₂(μ-S){μ-SCH₂CH₂(CF₂)nCF₃}(PPh₃)₄]⁺, which were isolated as PF₆⁺or BPH₄⁻ salts, and ...
Henderson, William, Hor, T.S. Andy, Saunders, Graham C.   +2 more
core   +2 more sources

Human Endometrial Extracellular Matrix Hydrogel Facilitated Endometrial Mesenchymal Stem Cells for Endometrial Regeneration

Advanced Healthcare Materials, EarlyView.
Adequate thickness of the uterine lining is crucial for women with thin or damaged endometrium to achieve pregnancies. Endometrial mesenchymal stem cells (eMSC) can facilitate the cyclical repair and regeneration of the human endometrium. In this study, the human endometrium derived extracellular matrix hydrogel supports the growth of eMSC promoting ...
Jingwen Xu, Philip C N Chiu, Ernest H Y Ng, Sentao Hu, Zi Ye, Liaobing Xin, Lie Ma, Songying Zhang, William S B Yeung, Rachel W S Chan   +9 more
wiley   +1 more source

The Usefulness of Trivalent Phosphorus for the Synthesis of Dendrimers

Molecules, 2021
Dendrimers are hyperbranched macromolecules, which are synthesized step-by-step by the repetition of a series of reactions. While many different types of dendrimers are known, this review focusses on the use of trivalent phosphorus derivatives ...
Anne-Marie Caminade, Kathleen I. Moineau-Chane Ching, Béatrice Delavaux-Nicot   +2 more
doaj   +1 more source

Methods for synthesizing diethyl carbonate from ethanol and supercritical carbon dioxide by one-pot or two-step reactions in the presence of potassium carbonate [PDF]

, 2009
Carbon dioxide sequestration was studied by synthesizing diethyl carbonate (DEC) from ethanol and CO2 under supercritical conditions in the presence of potassium carbonate as a base. The co-reagent was ethyl iodide or a concentrated strong acid.
Gasc, Fabien, Mouloungui, Zéphirin, Thiebaud-Roux, Sophie   +2 more
core   +1 more source