نتایج جستجو برای: lithium compounds

تعداد نتایج: 274943  

Journal: :Inorganic chemistry 2006
Yaroslav E Filinchuk Klaus Yvon Gregory P Meisner Frederick E Pinkerton Michael P Balogh

X-ray data on single crystals of the quaternary metal hydride near the composition LiB(0.33)N(0.67)H(2.67), previously identified as "Li3BN2H8", reveal that its true composition is Li4BN3H10. The structure has body-centered-cubic symmetry [space group I2(1)3, cell parameter a = 10.679(1)-10.672(1) Angstroms] and contains an ordered arrangement of BH4- and NH2- anions in the molar ratio 1:3. The...

Journal: :Molecules 2008
Luis R Domingo Salvador Gil Margarita Parra José Segura

Addition of carboxylic acid dianions appears to be a potential alternative to the use of aluminium enolates for nucleophilic ring opening of epoxides. These conditions require the use of a sub-stoichiometric amount of amine (10% mol) for dianion generation and the previous activation of the epoxide with LiCl. Yields are good, with high regioselectivity, but the use of styrene oxide led, unexpec...

Journal: :acta medica iranica 0
houman alimoradi toxicology research center, jundishapur university of medical sciences, ahvaz, iran. nasir pourmohammadi department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran. shahram ejtemaei mehr department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran. gholamreza hassanzadeh department of anatomy, tehran university of medical sciences, tehran, iran. mohammad reza hadian brain and spinal injury repair research center, tehran university of medical sciences, tehran, iran. mohammad sharifzadeh department of toxicology and pharmacology, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran.

vincristine (vcr) as a frequently used antimitotic agent which is commonly prescribed for wide spectrum of neoplasm, causes mixed sensorimotor neuropathy. several evidences show lithium could be a neuroprotective agent, therefore to assess whether a pretreatment and at subtherapeutic dose it could prevent the peripheral neuropathy produced by vcr, rats were treated with vcr 0.1mg/kg i.p. for 3 ...

Journal: :Hosokawa Powder Technology Foundation ANNUAL REPORT 2005

Journal: :Organic & biomolecular chemistry 2010
Aiichiro Nagaki Heejin Kim Hirotsugu Usutani Chika Matsuo Jun-ichi Yoshida

We developed a microflow method for the generation and reactions of aryllithiums bearing a cyano group, including o-lithiobenzonitrile, m-lithiobenzonitrile and p-lithiobenzonitrile. The method was effective at much higher temperatures than are required for conventional macrobatch reactions, by virtue of rapid mixing, short residence time, and efficient temperature control. In addition, reactio...

Journal: :Journal of inorganic biochemistry 2010
Timo A Immel Josefine T Martin Christoph J Dürr Ulrich Groth Thomas Huhn

Reaction of the known titanocene Y 2 with methyl lithium at -15 degrees C yields bis-[(p-methoxybenzyl)cyclopentadienyl]titanium(IV) dimethyl (dimethyl titanocene Y, 3), a hitherto unknown, surprisingly robust titanium (IV) dimethyl species. Dimethyl titanocene Y was utilized in the preparation of several bis-[(p-methoxybenzyl)cyclopentadienyl]titanium(IV) dicarboxylates by the reaction with th...

2014
B. C. Regan

Graphite intercalation compounds, where some atom or molecule is inserted between the carbon layers of the host graphite, are attractive materials for charge storage. In commercial, rechargeable lithium ion batteries, for instance, the graphite anode intercalates and de-intercalates lithium as the battery is cycled [1]. In this work we present our in situ scanning transmission electron microsco...

Journal: :Science 2010
Raja Angamuthu Philip Byers Martin Lutz Anthony L Spek Elisabeth Bouwman

Global warming concern has dramatically increased interest in using CO2 as a feedstock for preparation of value-added compounds, thereby helping to reduce its atmospheric concentration. Here, we describe a dinuclear copper(I) complex that is oxidized in air by CO2 rather than O2; the product is a tetranuclear copper(II) complex containing two bridging CO2-derived oxalate groups. Treatment of th...

2017
Marcin Jasiński Grzegorz Mlostoń Andreas Gebert Heinz Heimgartner

Treatment of thiocarbonyl compounds with excess LDA leads to the corresponding thiols or sulfides depending on the work-up procedure. The mechanistic scenario for this unusual reduction pathway is discussed. DOI: https://doi.org/10.1080/10426507.2015.1012201 Posted at the Zurich Open Repository and Archive, University of Zurich ZORA URL: https://doi.org/10.5167/uzh-112069 Accepted Version Origi...

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