Results 161 to 170 of about 2,674 (194)
Some of the next articles are maybe not open access.
Electrochemical Oxidative Cross‐Coupling of Pyrazolones and Diselenides to Construct C‐Se Bonds
Asian Journal of Organic Chemistry, 2023AbstractOrganoselenium compounds are important molecules owing to their value in medicinal chemistry, material chemistry and biochemistry. The selenation of pharmaceutical molecules is a promising way to find new drugs. Herein, we introduced an electrochemical oxidative cross‐coupling of pyrazolones and diselenides without transition‐metal catalyst and
Fangling Lu +3 more
openaire +1 more source
Self-healing and shape-memory epoxy thermosets based on dynamic diselenide bonds
Reactive and Functional Polymers, 2022Abstract The fabrication and development of excellent thermoset polymers with self-healing and shape memory properties is highly desirable. Herein, a novel high-strength epoxy resin (EP-SeSe) with diselenide bonds was rationally designed for rapid repair materials in building constructions and electrical packaging.
Xiaohong Liu +7 more
openaire +1 more source
Polymer, 2018
Abstract The investigation of dynamic covalent bonds, which are exchangeable upon exposure to mild stimuli, represents an important topic toward the development of various advanced systems. Herein, we report enhanced dynamic properties for diselenide bonds that carry neighboring aromatic rings compared to their aliphatic derivatives.
Nao Suzuki +4 more
openaire +1 more source
Abstract The investigation of dynamic covalent bonds, which are exchangeable upon exposure to mild stimuli, represents an important topic toward the development of various advanced systems. Herein, we report enhanced dynamic properties for diselenide bonds that carry neighboring aromatic rings compared to their aliphatic derivatives.
Nao Suzuki +4 more
openaire +1 more source
Radioactive Diselenide Bonded Covalent Organic Framework
Advanced MaterialsAbstract Covalent organic frameworks (COFs) are porous crystals of high potential in biomedical applications. The chemical bonds within COF structures are critical for the overall therapeutic performance. Here, the design and synthesis of radioactive COF are reported by introducing labile diselenide bonds into the
Liang Zhang +9 more
openaire +2 more sources
Dynamic Diselenide Bonds: Exchange Reaction Induced by Visible Light without Catalysis
Angewandte Chemie International Edition, 2014AbstractDynamic covalent bonds are extensively employed in dynamic combinatorial chemistry. The metathesis reaction of disulfide bonds is widely used, but requires catalysis or irradiation with ultraviolet (UV) light. It was found that diselenide bonds are dynamic covalent bonds and undergo dynamic exchange reactions under mild conditions for ...
Shaobo, Ji +3 more
openaire +2 more sources
Journal of the American Chemical Society, 2003
Treatment of fac(S)-[Rh(aet)3] (aet = 2-aminoethanethiolate) with aqueous HBF4 in air led to the protonation at coordinated thiolato groups to give a rhodium(III) dimer, [{Rh(aet)2(Haet)}{Rh(aet)(Haet)2}](BF4)3 ([1](BF4)3). On the other hand, similar treatment of fac(Se)-[Rh(aes)3] (aes = 2-aminoethaneselenolate) produced a dinuclear rhodium(III ...
Takumi, Konno +5 more
openaire +2 more sources
Treatment of fac(S)-[Rh(aet)3] (aet = 2-aminoethanethiolate) with aqueous HBF4 in air led to the protonation at coordinated thiolato groups to give a rhodium(III) dimer, [{Rh(aet)2(Haet)}{Rh(aet)(Haet)2}](BF4)3 ([1](BF4)3). On the other hand, similar treatment of fac(Se)-[Rh(aes)3] (aes = 2-aminoethaneselenolate) produced a dinuclear rhodium(III ...
Takumi, Konno +5 more
openaire +2 more sources
Synthetic Communications, 1998
Abstract Phenylseleno-acetoxylation, hydroxylation, etherification and lactonization products are obtained in good yields from the reaction of alkenes with diphenyl diselenide and iodosobenzene diacetate, in acetonitrile. present address: Dipartimento di Scienza degli Alimenti, Universita di Napoli “Federico II” Via Universita, 100 - 80055-Portici ...
Marco Tingoli* +3 more
openaire +1 more source
Abstract Phenylseleno-acetoxylation, hydroxylation, etherification and lactonization products are obtained in good yields from the reaction of alkenes with diphenyl diselenide and iodosobenzene diacetate, in acetonitrile. present address: Dipartimento di Scienza degli Alimenti, Universita di Napoli “Federico II” Via Universita, 100 - 80055-Portici ...
Marco Tingoli* +3 more
openaire +1 more source
Chelate-Assisted Direct Selenation of Aryl C–H Bonds with Diselenides Catalyzed by Palladium
Organic Letters, 2014A direct selenation of inert C-H bonds of benzamide derivatives and their related compounds with diselenides has been achieved with the palladium catalyst. The reaction was compatible with a variety of functional groups, including a bromo group. Primitive mechanistic insights revealed that the reaction proceeded through a C-H bond cleavage and the ...
Masayuki, Iwasaki +3 more
openaire +2 more sources
The barrier to rotation about the selenium–selenium bond in diselenides. A dynamic n.m.r. study
J. Chem. Soc., Chem. Commun., 1985The barrier to rotation about the selenium-selenium bond in phenyl benzyl diselenide PhSeSeCH2Ph is determined to be 6.3 kcal mol–1†; as indicated by changes in the proton n.m.r. spectrum at low temperatures; theis is ca. 1.4 kcal mol–1 lower than the barrier in phenyl benzyl disulphide PhSSCH2Ph.
J. E. Anderson, L. Henriksen
openaire +1 more source
Shining light on diselenide bonds
Nature Chemistry, 2023Nicholas A. Fitzpatrick +1 more
openaire +2 more sources