Results 41 to 50 of about 61,381 (342)

[η5-1,3-Bis(trimethylsilyl)cyclopentadienyl]dichlorido[η5-(trimethylsilyl)cyclopentadienyl]titanium(IV)

Acta Crystallographica Section E, 2011
In the title compound, [Ti(C8H13Si)(C11H21Si2)Cl2], the TiIV atom is bonded to two Cl atoms, one 1,3-bis(trimethylsilyl)cyclopentadienyl (Si2Cp) and one (trimethylsilyl)cyclopentadienyl ring (SiCp).
Franc Perdih
doaj   +1 more source

Direct Observation of Dry Etch‐Induced Selectivity Tailoring of Alkylate Inhibition Layer Using DMATMS Vapor

Advanced Materials Interfaces, EarlyView.
This study demonstrates that tailoring surface ─OH groups on SiO2 and SiNx via dry etching significantly enhances the selectivity of DMATMS adsorption, achieving a 92.2% selectivity in subsequent Ru layer growth. In situ spectroscopy reveals that removal of ─OH groups reduce DMATMS reactivity on SiNx but not on SiO2, providing insights for improving ...
Eunji Sim, Ha Eun Cho, Somang Koo, Jin Gyu Kim, Sukgyu Hahm, Myongjong Kwon, Seonhye Hwang, Soyoung Lee, Byungha Park, Kyuwook Ihm   +9 more
wiley   +1 more source

The Substituent‐Effect in NHCP‐Plumbylenes with a Phosphaplumbene Character

Angewandte Chemie, EarlyView.
The synthesis of aryl‐ and silyl‐substituted NHCP‐plumbylenes is achieved through metathesis reactions. Based on computational studies, the substituent effect and the potential double bond character in these species are discussed. A formal [2+2] cycloaddition at a P−Pb bond demonstrates the synthetic equivalence to double bonds.
Martin E. Doleschal, Arturo Espinosa Ferao, Arseni Kostenko, Fiona J. Kiefer, Shigeyoshi Inoue   +4 more
wiley   +2 more sources

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]+

Molecules, 2013
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 ...
Jang-Hwan Hong
doaj   +1 more source

IR Spectroscopic Studies on Water Confined in an Isoreticular MOF Series–Influence of the Metal and Linker Functionality

Advanced Materials Interfaces, EarlyView.
Mono‐ and bimetallic isoreticular MOF‐74 analogs with different ratios of Mg2+ and Ni2+ and linkers of different sizes and functionalities are synthesized and loaded with water. With the help of IR spectroscopy, semiquantitative conclusions are drawn regarding the prevalence of differently ordered water species in dependence on the confinement and ...
Tabea C. V. Haug, Frank Hoffmann, Merve N. Tasova, Roy Heffels, Michael Fröba   +4 more
wiley   +1 more source

Regio‐ and Enantioconvergent Hydroallylation of Acrylates Enabled by γ‐Silyl‐Substituted Allyl Acetates

Angewandte Chemie, EarlyView.
Regio‐ and enantioconvergent hydroallylation of acylates under Cu/Pd synergistic catalysis is reported. The incorporation of a silyl group into allyl acetates precisely controls regio‐ and enantioselectivity through steric hindrance. Subsequent transformation of the silyl group in the product enables the regioselective synthesis of allylated products ...
Hirotsugu Suzuki, Ryoichi Nishikawa, Yuki Sato, Kaisei Sekino, Takanori Matsuda   +4 more
wiley   +2 more sources

Phytochemical profile of stem extract of Carthamus oxycantha and identification of herbicidal and antimicrobial constituents

Plant Protection Science
The present study was carried out to enlist herbicidal and antimicrobial compounds in the methanolic stem extract of Carthamus oxycantha, a problematic weed of Asteraceae. Methanolic stem extract was subjected to GC-MS analysis that revealed the presence
Muhammad Rafiq, Amna Shoaib, Arshad Javaid, Shagufta Perveen, Hafiz Umair Asdullah, Chunsong Cheng   +5 more
doaj   +1 more source

Crystal structure of nitridobis(trimethylsilanolato)[1,1,1-trimethyl-N-(trimethylsilyl)silanaminato]molybdenum(VI)

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, [Mo(C6H18NSi2)(C3H9OSi)2N], the MoVI cation is located on a mirror plane and is coordinated by a nitride anion, a 1,1,1-trimethyl-N-(trimethylsilyl)silanaminate anion and two trimethylsilanolate anions in a distorted tetrahedral ...
Caiwei Geng, Xiang Hao, Peng Jiao
doaj   +1 more source

Wafer‐Scale Synthesis of Topological Insulator Sb2Te3 Thin Films

Advanced Materials Interfaces, EarlyView.
This work demonstrates how the topologically protected conduction in Sb2Te3 thin films can be extended from few‐mm2 samples’ area up to larger areas of several cm2 Si(111) wafers. The reported findings represent a breakthrough for the future technology scale‐up of topological insulators for applications such as spintronics, thermoelectrics, and quantum
Ali Shafiei, Ahmad Fathi Hafshejani, Rehab M. G. Ahmed, Alessio Lamperti, Emanuele Longo, Lorenzo Locatelli, Christian Martella, Alessandro Molle, Graziella Tallarida, Carlo Zucchetti, Claudia Wiemer, Massimo Longo, Roberto Mantovan   +12 more
wiley   +1 more source

Total Synthesis of the Marine Diterpenoids Caucanolide E and F by Alkyne gem‐Hydrogenation: Rigorous Reassignment of Two Almost Indistinguishable Diastereomers

Angewandte Chemie, EarlyView.
The application of gem‐hydrogenation, which exploits the electrophilic character of the ruthenium carbene intermediates transiently formed, to natural product total synthesis allowed the stereostructure of a pair of diastereomeric seco‐cembranoids that are almost indistinguishable by NMR to be rigorously assigned.
Ricardo Molina Betancourt, Markus Leutzsch, Alois Fürstner   +2 more
wiley   +2 more sources