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Showing 25 to 36 of 119 entries
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Influence of intramolecular vs. intermolecular phosphonium-borohydrides in catalytic hydrogen, hydride, and proton transfer reactions.

Dalton transactions (Cambridge, England : 2003)

Rinne BL, Lathem AP, Heiden ZM.
PMID: 28695938
Dalton Trans. 2017 Jul 25;46(29):9382-9393. doi: 10.1039/c7dt01693j.

In this computational study, the thermodynamics of hydrogen, hydride, and proton transfer from 22 phosphonium-borohydride intramolecular and intermolecular frustrated Lewis pairs (FLPs) to eight probe substrates was investigated. The purpose of this study was to gain insight into the...

Synthesis of α-Chlorolactams by Cyanoborohydride-Mediated Radical Cyclization of Trichloroacetamides.

Chemistry (Weinheim an der Bergstrasse, Germany)

Coussanes G, Jakobi H, Lindell S, Bonjoch J.
PMID: 29603478
Chemistry. 2018 Jun 07;24(32):8151-8156. doi: 10.1002/chem.201800210. Epub 2018 May 16.

A cyanoborohydride-promoted radical cyclization methodology has been developed to access α-chlorolactams in a simple and efficient way using NaBH

Steric Effects Dictate the Formation of Terminal Arylborylene Complexes of Ruthenium from Dihydroboranes.

Chemistry (Weinheim an der Bergstrasse, Germany)

Lenczyk C, Roy DK, Nitsch J, Radacki K, Rauch F, Dewhurst RD, Bickelhaupt FM, Marder TB, Braunschweig H.
PMID: 31433081
Chemistry. 2019 Oct 22;25(59):13566-13571. doi: 10.1002/chem.201902890. Epub 2019 Sep 17.

The steric and electronic properties of aryl substituents in monoaryl borohydrides (Li[ArBH

Hydrogenation properties of lithium and sodium hydride - closo-borate, [B.

Physical chemistry chemical physics : PCCP

Jensen SRH, Paskevicius M, Hansen BRS, Jakobsen AS, Møller KT, White JL, Allendorf MD, Stavila V, Skibsted J, Jensen TR.
PMID: 29863201
Phys Chem Chem Phys. 2018 Jun 13;20(23):16266-16275. doi: 10.1039/c7cp07776a.

The hydrogen absorption properties of metal closo-borate/metal hydride composites, M2B10H10-8MH and M2B12H12-10MH, M = Li or Na, are studied under high hydrogen pressures to understand the formation mechanism of metal borohydrides. The hydrogen storage properties of the composites have...

From Metal Hydrides to Metal Borohydrides.

Inorganic chemistry

Richter B, Grinderslev JB, Møller KT, Paskevicius M, Jensen TR.
PMID: 30137973
Inorg Chem. 2018 Sep 04;57(17):10768-10780. doi: 10.1021/acs.inorgchem.8b01398. Epub 2018 Aug 23.

Commencing from metal hydrides, versatile synthesis, purification, and desolvation approaches are presented for a wide range of metal borohydrides and their solvates. An optimized and generalized synthesis method is provided for 11 different metal borohydrides, M(BH

CO.

Chemical science

Taylor JW, McSkimming A, Essex LA, Harman WH.
PMID: 31827750
Chem Sci. 2019 Aug 06;10(39):9084-9090. doi: 10.1039/c9sc02792k. eCollection 2019 Oct 21.

Borohydrides are widely used reducing agents in chemical synthesis and have emerging energy applications as hydrogen storage materials and reagents for the reduction of CO

New hydrogen-rich ammonium metal borohydrides, NH.

Dalton transactions (Cambridge, England : 2003)

Starobrat A, Jaroń T, Grochala W.
PMID: 29505047
Dalton Trans. 2018 Mar 26;47(13):4442-4448. doi: 10.1039/c7dt03926c.

Three metal-ammonium borohydrides, NH4[M(BH4)4] M = Y, Sc, Al, denoted 1, 2, 3, respectively, were prepared via a low temperature mechanochemical synthesis and characterized using PXRD, FTIR and TGA/DSC/MS. The compounds 1 and 2 adopt the P21/c space group...

The roles of dihydrogen bonds in amine borane chemistry.

Accounts of chemical research

Chen X, Zhao JC, Shore SG.
PMID: 24020948
Acc Chem Res. 2013 Nov 19;46(11):2666-75. doi: 10.1021/ar400099g. Epub 2013 Sep 10.

A dihydrogen bond (DHB) is an electrostatic interaction between a protonic hydrogen and a hydridic hydrogen. Over the past two decades, researchers have made significant progress in the identification and characterization of DHBs and their properties. In comparison with...

Al3Li4(BH4)13: a complex double-cation borohydride with a new structure.

Chemistry (Weinheim an der Bergstrasse, Germany)

Lindemann I, Domènech Ferrer R, Dunsch L, Filinchuk Y, Cerný R, Hagemann H, D'Anna V, Lawson Daku LM, Schultz L, Gutfleisch O.
PMID: 20583064
Chemistry. 2010 Aug 02;16(29):8707-12. doi: 10.1002/chem.201000831.

The new double-cation Al-Li-borohydride is an attractive candidate material for hydrogen storage due to a very low hydrogen desorption temperature (approximately 70 degrees C) combined with a high hydrogen density (17.2 wt%). It was synthesised by high-energy ball milling...

Ammine aluminium borohydrides: an appealing system releasing over 12 wt% pure H2 under moderate temperature.

Chemical communications (Cambridge, England)

Guo Y, Jiang Y, Xia G, Yu X.
PMID: 22454033
Chem Commun (Camb). 2012 May 11;48(37):4408-10. doi: 10.1039/c2cc30751k. Epub 2012 Mar 28.

Ammine aluminium borohydride system is found to release >12 wt% pure H(2) below 120 °C via a combined strategy of changing the coordination number and adopting mixed cations.

Modified lithium borohydrides for reversible hydrogen storage (2).

The journal of physical chemistry. B

Au M, Jurgensen A, Zeigler K.
PMID: 17181309
J Phys Chem B. 2006 Dec 28;110(51):26482-7. doi: 10.1021/jp065490h.

This paper reports the results of the effort to destabilize lithium borohydride for reversible hydrogen storage. Various metals, metal hydrides, and metal chlorides were selected and evaluated as destabilization agents for reducing dehydriding temperatures and improving dehydriding/rehydriding reversibility. The...

A stable monomeric nickel borohydride.

Inorganic chemistry

Desrochers PJ, LeLievre S, Johnson RJ, Lamb BT, Phelps AL, Cordes AW, Gu W, Cramer SP.
PMID: 14632512
Inorg Chem. 2003 Dec 01;42(24):7945-50. doi: 10.1021/ic034687a.

A stable discrete nickel borohydride complex (Tp*NiBH(4) or Tp*NiBD(4)) was prepared using the nitrogen-donor ligand hydrotris(3,5-dimethylpyrazolyl)borate (Tp*-). This complex represents one of the best characterized nickel(II) borohydrides to date. Tp*NiBH(4) and Tp*NiBD(4) are stable toward air, boiling water, and...

Showing 25 to 36 of 119 entries