Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Qiu, Shujun, once mentioned the application of 92-50-2, Name is 2-(Ethyl(phenyl)amino)ethanol, molecular formula is C10H15NO, molecular weight is 165.2322, MDL number is MFCD00020575, category is amides-buliding-blocks. Now introduce a scientific discovery about this category, Product Details of 92-50-2.
Clarifying the dehydrogenation pathway of catalysed Li-4(NH2)(3)BH4-LiH composites
The effect of different metal oxides (Co3O4 and NiO) on the dehydrogenation reaction pathways of the Li-4(NH2)(3)BH4-LiH composite was investigated. The additives were reduced to metallic species i.e. Co and Ni which act as catalysts by breaking the B-H bonds in the Li-B-N-H compounds. The onset decomposition temperature was lowered by 32 degrees C for the Ni-catalysed sample, which released 8.8 wt% hydrogen below 275 degrees C. It was demonstrated that the decomposition of the doped composite followed a mechanism via LiNH2 and Li3BN2 formation as the end product with a strong reduction of NH3 emission. The sample could be partially re-hydrogenated (similar to 1.5 wt%) due to lithium imide/amide transformation. To understand the role of LiH, Li-4(NH2)(3)BH4-LiH-NiO and Li-4(NH2)(3)BH4-NiO composites were compared. The absence of LiH as a reactant forced the system to follow another path, which involved the formation of an intermediate phase of composition Li3BN2H2 at the early stages of dehydrogenation and the end products LiNH2 and monoclinic Li3BN2. We provided evidence for the interaction between NiO and LiNH2 during heating and proposed that the presence of Li facilitates a NHx-rich environment and the Ni catalyst mediates the electron transfer to promote NHx coupling.
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