The Preparation and Properties of Ammonia-Triborane, H3NB3H71

Kodama, Goji; Parry, R. W.; Carter, J. C.

doi:10.1021/ja01523a012

Cited by 38 publications

(26 citation statements)

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“…A first example is ammonia triborane (NH 3 B 3 H 7 ), discovered in the 1950s [51], and recently synthesized through an alternative reaction [50]: A first example is ammonia triborane (NH 3 B 3 H 7 ), discovered in the 1950s [51], and recently synthesized through an alternative reaction [50]:…”

Section: Other Boron-based Hydrides For Hydrolysismentioning

confidence: 99%

Boron-based hydrides for chemical hydrogen storage

Moussa

Moury

Demirci

et al. 2013

Int. J. Energy Res.

140

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SUMMARY The development of the hydrogen economy is hampered by many issues connected with production, storage, distribution, and end‐use. Although the hydrogen storage problem is particularly difficult, there are several attractive solutions under investigation, and chemical hydrogen storage (involving hydrogen‐rich materials) has shown much promising properties. The boron‐based materials are typical examples. They have high hydrogen densities, with up to four reactive B − H bonds. Most of the works have focused on dehydrogenation by hydrolysis or thermolysis so that it takes place in high extent in mild conditions. The first materials studied have been lithium borohydride, sodium borohydride, and ammonia borane. However, their development has been hindered by technical issues such as very high dehydrogenation temperatures, incomplete reaction, and purity of the produced hydrogen. To get round such problems, new materials have been proposed since the mid‐2000s. Interestingly, those materials present attractive attributes, but also drawbacks. This is illustrated in the present review. We believe that boron‐based hydrides have a significant potential in chemical hydrogen storage, but their implementation depends on the recyclability of the solid by‐products; this seems to be the key factor. Copyright © 2013 John Wiley & Sons, Ltd.

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Section: Other Boron-based Hydrides For Hydrolysismentioning

confidence: 99%

Boron-based hydrides for chemical hydrogen storage

Moussa

Moury

Demirci

et al. 2013

Int. J. Energy Res.

140

View full text Add to dashboard Cite

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“…An example is ammonia-triborane,N H 3 B 3 H 7 , [44] in which one of the hydrides in the monoanion (B 3 H 8 ) À is replaced by neutral NH 3 (Scheme 9b). An example is ammonia-triborane,N H 3 B 3 H 7 , [44] in which one of the hydrides in the monoanion (B 3 H 8 ) À is replaced by neutral NH 3 (Scheme 9b).…”

Section: Methodsmentioning

confidence: 99%

Electron‐Deficient Triborane and Tetraborane Ring Compounds: Synthesis, Structure, and Bonding

Himmel

2019

Angew Chem Int Ed

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Electron‐deficient small boron rings are unique in their formation of σ‐ and π‐delocalized electron systems as well as the avoidance of “classical” structures with two‐center‐two‐electron (2c,2e) bonds. These rings are tolerant of several skeletal electron numbers, which makes their redox chemistry highly interesting. In the past few decades, a range of stable compounds have been synthesized with various electron numbers in their B3 and B4 cores. The electronic structures were evaluated by quantum‐chemical calculations. On the other hand, the chemistry of these rings is still very much underdeveloped, being generally limited to the protonation and redox reactions of individual systems. The linkage of several B3 and/or B4 ring systems should give compounds with attractive electronic properties, thus leading the way to novel boron‐based materials. By summarizing important experimental and theoretical results, this Review intends to provide the basis for the exploration of the chemistry of these rings and, in particular, their integration into larger molecular architectures.

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“…Kodama 67 originally synthesized ammonia triborane (1) by a two-step process (Equations 6.3-6.4) involving (1) the cleavage reaction of tetraborane, B 4 H 10 , with ethers to initially form LB 3 H 7 (L = tetrahydrofuran or tetrahydropyran) adducts (plus B 2 H 6 ), followed by (2) displacement of the ethers by reaction with anhydrous ammonia. Unfortunately, since tetraborane is both thermally unstable and explosive in air, a large-scale synthesis based on this method is not feasible.…”

Section: Synthesismentioning

confidence: 99%

Amineborane Based Chemical Hydrogen Storage - Final Report

Sneddon¹

2011

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The Preparation and Properties of Ammonia-Triborane, H₃NB₃H₇¹

Cited by 38 publications

References 0 publications

Boron-based hydrides for chemical hydrogen storage

Boron-based hydrides for chemical hydrogen storage

Electron‐Deficient Triborane and Tetraborane Ring Compounds: Synthesis, Structure, and Bonding

Amineborane Based Chemical Hydrogen Storage - Final Report

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