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Showing 25 to 36 of 40 entries
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Five-coordinate aluminum bromides: synthesis, structure, cation formation, and cleavage of phosphate ester bonds.

Journal of the American Chemical Society

Mitra A, Depue LJ, Parkin S, Atwood DA.
PMID: 16433530
J Am Chem Soc. 2006 Feb 01;128(4):1147-53. doi: 10.1021/ja054684s.

The alkane elimination reaction between Salen((t)Bu)H(2) ligands and diethylaluminum bromide was used to prepare three Salen aluminum bromide compounds salen((t)Bu)AlBr (1) (salen = N,N'-ethylenebis(3,5-di-tert-butylsalicylideneimine)), salpen((t)Bu)AlBr (2) (salpen = N,N'-propylenebis(3,5-di-tert-butylsalicylideneimine)), and salophen((t)Bu)AlBr (3) (salophen = N,N'-o-phenylenenebis(3,5-di-tert-butylsalicylideneimine)). The compounds contain five-coordinate...

Effect of embedded metal compound on porosity of silica colloids prepared by spray reaction of silicon tetrachloride.

Journal of colloid and interface science

Isobe H, Hattori Y, Hayano T, Kanoh H, Yamamoto K, Kaneko K.
PMID: 16246356
J Colloid Interface Sci. 2006 Mar 15;295(2):482-9. doi: 10.1016/j.jcis.2005.09.031. Epub 2005 Oct 24.

Attempts to prepare macroporous silica particles and metal-compound-nanoparticle-embedded silica microspheres were carried out using reactions between silicon tetrachloride and ultrasonic generating microdroplets including metal (Na, K, Al, Ni, Ti, Pt) compounds. Samples were collected by dry and wet processes....

Hydrogen-Aluminum Clays: A Third Buffer Range Appearing in Potentiometric Titration.

Science (New York, N.Y.)

Schwertmann U, Jackson ML.
PMID: 17812983
Science. 1963 Mar 15;139(3559):1052-4. doi: 10.1126/science.139.3559.1052.

Wyoming montmorillonite (bentonite, particles 2 to 0.2 micro in diameter) treated with hydrogen-ionsaturated resin shows, on titration in 1N KNO(3) with NaOH by a continuously recording instrument, a third buffer range between pH 5.5 and 7.6 in addition to...

Aluminum compounds containing eta1- and/or eta5-bidentate dianionic pyrrolyl-methylamide ligands.

Chemistry (Weinheim an der Bergstrasse, Germany)

Chen YC, Lin CY, Li CY, Huang JH, Chang LC, Lee TY.
PMID: 18792038
Chemistry. 2008;14(31):9747-53. doi: 10.1002/chem.200800679.

A series of dialuminum compounds have been synthesized and their reactivity and application for lactide polymerization have been studied. The reaction of AlH3 x NMe3 with [C4H3NH(2-CH2NHtBu)] in diethyl ether generated a dimeric aluminum hydride compound, [[[C4H3N(2-CH2NtBu)]AlH]2] (1). The...

The metal-organic framework MIL-53(Al) constructed from multiple metal sources: alumina, aluminum hydroxide, and boehmite.

Chemistry (Weinheim an der Bergstrasse, Germany)

Li Z, Wu YN, Li J, Zhang Y, Zou X, Li F.
PMID: 25756851
Chemistry. 2015 Apr 27;21(18):6913-20. doi: 10.1002/chem.201406531. Epub 2015 Mar 10.

Three aluminum compounds, namely alumina, aluminum hydroxide, and boehmite, are probed as the metal sources for the hydrothermal synthesis of a typical metal-organic framework MIL-53(Al). The process exhibits enhanced synthetic efficiency without the generation of strongly acidic byproducts. The...

[1.1]Ferrocenophanes and bis(ferrocenyl) species with aluminum and gallium as bridging elements: synthesis, characterization, and electrochemical studies.

Inorganic chemistry

Bagh B, Breit NC, Harms K, Schatte G, Burgess IJ, Braunschweig H, Müller J.
PMID: 23009679
Inorg Chem. 2012 Oct 15;51(20):11155-67. doi: 10.1021/ic301777y. Epub 2012 Sep 25.

Salt-metathesis reactions between dilithioferrocene (Li(2)fc·2/3tmeda) and intramolecularly coordinated aluminum and gallium species RECl(2) [R = 5-Me(3)Si-2-(Me(2)NCH(2))C(6)H(3); E = Al (2a), Ga (2b); and R = (2-C(5)H(4)N)Me(2)SiCH(2); E = Al (3a), Ga (3b)] gave respective [1.1]ferrocenophanes ([1.1]FCPs). Those obtained from...

Correlations of Crystal and Electronic Structure via NMR and X-ray Photoelectron Spectroscopies in the RETMAl.

Inorganic chemistry

Radzieowski M, Stegemann F, Doerenkamp C, Matar SF, Eckert H, Dosche C, Wittstock G, Janka O.
PMID: 31062962
Inorg Chem. 2019 May 20;58(10):7010-7025. doi: 10.1021/acs.inorgchem.9b00648. Epub 2019 May 07.

A total of 35 intermetallic aluminum compounds have been synthesized from the elements via arc melting and characterized by powder X-ray diffraction. A total of 15 of them have been previously reported; however, detailed property investigations were missing. Compounds...

Development of Colorimetric and Ratiometric Fluorescence Membranes for Detection of Nitrate in the Presence of Aluminum-Containing Compounds.

Sensors (Basel, Switzerland)

Duong HD, Kim HL, Rhee JI.
PMID: 30200343
Sensors (Basel). 2018 Aug 31;18(9). doi: 10.3390/s18092883.

In this study, a quantitative analysis of nitrate in aqueous solution was performed through the combination of an oxazine170 perchlorate⁻ethyl cellulose (O17-EC) membrane with aluminum-containing compounds. Aluminum of Devarda's alloy (DA) or a clay hydrotalcite (HT) was employed for...

The Role of Ligand Steric Bulk in New Monovalent Aluminum Compounds.

The journal of physical chemistry. A

Tomlinson WW, Mayo DH, Wilson RM, Hooper JP.
PMID: 28569507
J Phys Chem A. 2017 Jun 22;121(24):4678-4687. doi: 10.1021/acs.jpca.7b02075. Epub 2017 Jun 12.

The tetrameric Al(I) cyclopentadienyl compound Al

Chemical Treatment of Waste Abaca for Natural Fiber-Reinforced Geopolymer Composite.

Materials (Basel, Switzerland)

Malenab RAJ, Ngo JPS, Promentilla MAB.
PMID: 28772936
Materials (Basel). 2017 May 25;10(6). doi: 10.3390/ma10060579.

The use of natural fibers in reinforced composites to produce eco-friendly materials is gaining more attention due to their attractive features such as low cost, low density and good mechanical properties, among others. This work thus investigates the potential...

Stepwise Coordination Assembly Approach toward Aluminum-Lanthanide-based Compounds.

Inorganic chemistry

Wang ST, Zhang SH, Fang WH, Zhang J.
PMID: 32883079
Inorg Chem. 2020 Sep 21;59(18):13760-13766. doi: 10.1021/acs.inorgchem.0c02119. Epub 2020 Sep 04.

Present herein is a stepwise assembly method toward aluminum-lanthanide-based (Al-Ln) compounds. From the perspective of charge balance, polyanions are necessary to bind with Ln ions. However, the synthesis of polyanions aluminum compounds remains quite challenging. Herein, two Al

Aluminum induced intestinal dysfunction via mechanical, immune, chemical and biological barriers.

Chemosphere

Hao W, Hao C, Wu C, Xu Y, Jin C.
PMID: 34648793
Chemosphere. 2021 Oct 11;288:132556. doi: 10.1016/j.chemosphere.2021.132556. Epub 2021 Oct 11.

Aluminum is the most abundant metal element in the Earth's crust, which exists naturally in the form of aluminum compounds. Aluminum is mainly absorbed through the gastrointestinal tract, which varies with different aluminum compounds. During this process, aluminum could...

Showing 25 to 36 of 40 entries