Results 31 to 40 of about 15,069 (303)

Electrophile-Dependent Reactivity of Lithiated N-Benzylpyrene-1-Carboxamide

Molecules, 2022
In this paper, we describe the lithiation of N-benzylpyrene-1-carboxamide with RLi-TMEDA. We found that the reaction outcome strongly depends on the electrophile used in the quenching step.
Magdalena Ciechańska, Anna Wrona-Piotrowicz, Karolina Koprowska, Anna Makal, Janusz Zakrzewski   +4 more
doaj   +1 more source

Lithiation of Diene Polymers

The Journal of the Society of Chemical Industry, Japan, 1966
AbstractIt was found that the metallation of diene polymers with n‐butyllithium in n‐heptane takes place in the presence of a tert amine, i.e. N,N,N′,N′‐tetramethylethylenediamine. Butyllithium was added to the diene polymer in n‐heptane in the presence of an equimolar amount of the amine, and the mixture was allowed to react at 80°C. for 60 min. under
Yuji Minoura, Kyo Shiina, Hiroshi Harada
openaire   +2 more sources

Bending-Induced Symmetry Breaking of Lithiation in Germanium Nanowires

, 2016
From signal transduction of living cells to oxidation and corrosion of metals, mechanical stress intimately couples with chemical reactions, regulating these biological and physiochemical processes.
Chong-Min Wang (1420777), Daniel E. Perea (1767190), Ji-Guang Zhang (1487506), Meng Gu (627187), Hui Yang (91136), Sulin Zhang (360681)   +5 more
core   +4 more sources

Multifunctional Interface Engineering of Li13Si4 Pre‐Lithiation Additives With Superior Environmental Stability for High‐Energy‐Density Lithium‐Ion Batteries

Carbon Energy
Considering the growing pre‐lithiation demand for high‐performance Si‐based anodes and consequent additional costs caused by the strict pre‐lithiation environment, developing effective and environmentally stable pre‐lithiation additives is a challenging ...
Yinan Liu, Yun Zheng, Kunye Yan, Jun Wang, Yunxian Qian, Junpo Guo, Qi Zhang, Congcong Zhang, Pingshan Jia, Zhiyuan Zhang, Shengyang Dong, Jiangmin Jiang, Yan Guo, Rong Chen, Yike Huang, Yingying Shen, Jincheng Xu, Ruifeng Zheng, Yuxin Tang, Wei Jiang, Huaiyu Shao   +20 more
doaj   +1 more source

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

Advanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran, Vincent Nebel, Dominik Perius, Kshitij Kumar, Yannis Heim, Laura Bies, Tobias Kraus   +6 more
wiley   +1 more source

Synthesis and Structural Characterization of p-Carboranylamidine Derivatives

Molecules, 2023
In this contribution, the first amidinate and amidine derivatives of p-carborane are described. Double lithiation of p-carborane (1) with n-butyllithium followed by treatment with 1,3-diorganocarbodiimides, R–N=C=N–R (R = iPr, Cy (= cyclohexyl)), in DME ...
Nicole Harmgarth, Phil Liebing, Volker Lorenz, Felix Engelhardt, Liane Hilfert, Sabine Busse, Rüdiger Goldhahn, Frank T. Edelmann   +7 more
doaj   +1 more source

Dipole‐Engineered Conductive Additives for Ultrastable Interphase Evolution in High‐Areal‐Capacity Silicon Anodes

Advanced Functional Materials, EarlyView.
In the work reported herein, dipole‐engineered sulfonated carbon nanofibers enable conductive additives to actively regulate interphase formation in silicon anodes. Polar sulfonyl groups guide electrolyte decomposition to form a compact LiF‐rich interphase while promoting robust integration with silicon.
Song Kyu Kang, Hyeonju Kim, Jeongbin Cho, Minseon Park, Taehun Kim, Seonghun Sin, Won Bae Kim   +6 more
wiley   +1 more source

Study on the Alkylation Reactions of N(7)-Unsubstituted 1,3-Diazaoxindoles

Molecules, 2017
The chemistry of the 5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one (1,3-diazaoxindole) compound family, possessing a drug-like scaffold, is unexplored. In this study, the alkylation reactions of N(7)-unsubstituted 5-isopropyl-1,3-diazaoxindoles bearing ...
Eszter Kókai, Judit Halász, András Dancsó, József Nagy, Gyula Simig, Balázs Volk   +5 more
doaj   +1 more source

Directed Lithiation of Protected 4-Chloropyrrolopyrimidine: Addition to Aldehydes and Ketones Aided by Bis(2-dimethylaminoethyl)ether

Molecules, 2023
Pyrrolopyrimidines are important scaffolds for the preparation of bioactive molecules. Therefore, developing efficient and flexible ways for selective functionalization of the pyrrolopyrimidine skeleton is of interest.
Frithjof Bjørnstad, Eirik Sundby, Bård Helge Hoff   +2 more
doaj   +1 more source

Lithiation-Aided Conversion of End-of-Life Lithium-Ion Battery Anodes to High-Quality Graphene and Graphene Oxide

, 2018
In the past two decades, lithium-ion (Li-ion) batteries have transformed the appearance of the world. Along with the ever-increasing production and usage are the tremendous number of retired batteries, which have created social and environmental issues ...
Ningning Song (614716), Ruoxi Chen (110319), Xiaodong Li (181281), Yunya Zhang, Ningning Song, Jiajun He, Xiaodong Li, Yunya Zhang (1466899), Ruoxi Chen, Jiajun He (1359126)   +9 more
core   +1 more source