Results 1 to 10 of about 596,435 (207)
Vietnam Journal of Science, Technology and Engineering, 2022 Poly(4-vinylpyridine-r-n-octadecyl acrylate) and poly(4-vinylpyridine-r-n-octadecyl methacrylate) were successfully synthesised via atom transfer radical polymerization (ATRP) using 10-phenylphenothiazine as the photo-induced catalyst.
Loc Tan Nguyen +3 more
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2-Alkylation of 3-Alkyindoles With Unactivated Alkenes
Frontiers in Chemistry, 2022 An acid-catalyzed 2-alkylation of indole molecules is developed. Only catalytic amount of the commercially available, inexpensive and traceless HI is used as the sole reaction promoter. 2,3-Disubstituted indole molecules bearing congested tertiary carbon
Xuling Pan, Qian Liu, Yingling Nong
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Aryl Methyl Ketones: Versatile Synthons in the Synthesis of Heterocyclic Compounds
SynOpen, 2022 The synthesis of aromatic heterocycles has attracted substantial attention due to the abundance of these heterocycles in drug molecules, natural products, and other compounds of biological interest.
Shabber Mohammed +2 more
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Metal‐Free Catalytic Hydrogenation [PDF]
Angewandte Chemie, 2007 Hydrogenation is the addition of hydrogen to unsaturated organic compounds. Such reactions are used for the production of a myriad of chemical products worldwide, from largescale operations including the upgrading of crude oil and the production of bulk commodity materials to the synthesis of a variety of fine chemicals used in the food, agricultural ...
Chase, P A +3 more
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Nucleophilic C4-selective (hetero) arylation of pyridines for facile synthesis of heterobiaryls
Frontiers in Chemistry, 2023 The synthesis of heterobiaryl compounds holds significant value in organic chemistry due to their extensive range of applications. Herein, we report a highly efficient strategy for conducting C4-selective (hetero) arylation of pyridines using N ...
Kewon Kim +5 more
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Journal of Natural Fibers, 2022 Conventionally leathers are produced from chromium tanning which is toxic and difficult to dispose off the chromium containing wastes and products. However, to date there hasn’t been any replacement found for chromium as a preferred tanning agent for the
John Sundar, Kavati Phebe Aaron
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Molecules, 2023 An efficient and direct approach to pyrroles was successfully developed by employing 3-formylchromones as decarboxylative coupling partners, and facilitated by microwave irradiation.
Xue Li +6 more
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Nitrogen-Doped Graphene Oxide as Efficient Metal-Free Electrocatalyst in PEM Fuel Cells
Nanomaterials, 2023 Nitrogen-doped graphene is currently recognized as one of the most promising catalysts for the oxygen reduction reaction (ORR). It has been demonstrated to act as a metal-free electrode with good electrocatalytic activity and long-term operation ...
Adriana Marinoiu +3 more
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Complex rehabilitation of traumatized permanent teeth in the aesthetic zone
Fogorvosi Szemle, 2021 The aim of this case study is to present our treatment method for the restoration of traumatic lesions of teeth following a bicycle accident. Four upper incisors were injured; thus, special consideration was required in timing of the treatment sequence ...
Réka Miklós, Róbert Kemper
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