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Rhodium-Catalyzed Trans -Bis-Silylation Reactions of 2-Ethynyl-3-pentamethyldisilanylpyridines.
Publication Type: Academic Journal
Source(s): Molecules; Apr2023, Vol. 28 Issue 8, p3284, 12p
Abstract: Copyright of Molecules is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for i...
A Computational Investigation of the Substituent Effects on Geometric, Electronic, and Optical Properties of Siloles and 1,4-Disilacyclohexa-2,5-dienes.
Publication Type: Academic Journal
Source(s): Molecules. Mar2017, Vol. 22 Issue 3, p370. 18p. 7 Diagrams, 1 Chart, 7 Graphs.
Abstract: Thirty two differently substituted siloles 1a-1p and 1,4-disilacyclohexa-2,5-dienes 2a-2p were investigated by quantum chemical calculations using the PBE0 hybrid density functional theory (DFT) method. The substituents included σ-electron donating and...
Sila-spirocyclization involving unstrained C(sp3)−Si bond cleavage.
Publication Type: Academic Journal
Source(s): Nature Communications; 11/5/2022, Vol. 13 Issue 1, p1-8, 8p
Abstract: Copyright of Nature Communications is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, ...
Radicals and Anions of Siloles and Germoles.
Publication Type: Academic Journal
Source(s): Chemistry - A European Journal. 8/19/2021, Vol. 27 Issue 47, p12063-12068. 6p.
Abstract: The synthesis of persistent sila‐ and germacyclopentadienyl (silolyl‐ and germolyl‐) radicals by careful stoichiometric reduction of the corresponding halides with potassium is reported. The radicals were characterized by EPR spectroscopy and trapping ...
Dithienylethene‐Based Photochromic Siloles: A Straightforward and Divergent Synthetic Strategy.
Publication Type: Academic Journal
Source(s): Angewandte Chemie. 5/25/2021, Vol. 133 Issue 22, p12464-12467. 4p.
Abstract: A straightforward synthetic methodology for the preparation of photochromic siloles based on the dithienylethene motif is developed. It relies upon an efficient palladium‐catalyzed annulation reaction of a 2,3‐bis(3‐thienyl)‐silirene with terminal alky...
Rhodium-Catalyzed Trans-Bis-Silylation Reactions of 2-Ethynyl-3-pentamethyldisilanylpyridines
Publication Type: Academic Journal
Source(s): Molecules, Vol 28, Iss 8, p 3284 (2023)
Abstract: Rhodium-catalyzed reactions of 2-ethynyl-3-pentamethyldisilanylpyridine derivatives (1 and 2) are reported. The reactions of compounds 1 and 2 in the presence of catalytic amounts of rhodium complexes at 110 °C gave the corresponding pyridine-fused sil...
The Combination of Cross‐Hyperconjugation and σ‐Conjugation in 2,5‐Oligosilanyl Substituted Siloles.
Publication Type: Academic Journal
Source(s): Chemistry - A European Journal. 12/18/2020, Vol. 26 Issue 71, p17252-17260. 9p.
Abstract: Reaction of a 2,5‐dilithiated silole with excess dichlorodimethylsilane gives the respective 2,5‐bis(chlorodimethylsilyl) substituted silole. This compound can be converted to 2,5‐bis(oligosilanyl) substituted siloles by addition of a suitable oligosil...
Synthesis and Application of Siloles: From the Past to Present.
Publication Type: Academic Journal
Source(s): ChemistrySelect. 8/7/2020, Vol. 5 Issue 29, p9034-9058. 25p.
Abstract: Heterocyclic compounds in particular siloles in which a carbon atom has been replaced by an isovalent silicon atom, has gained wide attention recently. Due to their unique and interesting electronic and aggregation‐induced emmision properties, they fou...
A siloles: Synthetic, structural, photophysical properties, and highly efficient sensing of 2,4,6-trinitrophenol (TNP).
Publication Type: Academic Journal
Source(s): Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry. May2023, Vol. 121, pN.PAG-N.PAG. 1p.
Abstract: [Display omitted] A siloles products are readily synthesized with anhydrous and low temperature, and the compounds are purified by column chromatography of neutral alumina with yields of more than 85 %. Their structural characteristics were analyzed by...
Synthesis and NMR-Study of 1-Trimethylsilyl Substituted Silole Anion [Ph4C4Si(SiMe3)]-•[Li]+ and 3-Silolenide 2,5-carbodianions {[Ph4C4Si(n-Bu)2]-2•2[Li]+, [Ph4C4Si(t-Bu)2]-2•2[Li]+} via Silole Dianion [Ph4C4Si]-2•2[Li]+
Publication Type: Academic Journal
Source(s): Molecules. Sep2013, Vol. 18 Issue 9, p10568-10579. 12p. 2 Diagrams, 3 Charts.
Abstract: 1-Trimethylsilyl, 1-R (R = Me, Et, i-Bu)-2,3,4,5-tetraphenyl-1-silacyclopentadiene [Ph4C4Si(SiMe3)R] are synthesized from the reaction of 1-trimethylsilyl,1-lithio-2,3,4,5- tetraphenyl-1-silacyclopentadienide anion [Ph4C4SiMe3]-•[Li]+ (3) with methyl i...