نتایج جستجو برای: mechanochemical reaction

تعداد نتایج: 414432  

Journal: :Journal of Porphyrins and Phthalocyanines 2021

Herein, we report on the mechanochemical reaction of pyrrole and substituted benzaldehyde precursors to produce freebase corroles demonstrate one-pot synthesis 5,10,15-Tris(4-t-butylphenyl)corrole (H3t-buPhC), in which both, condensation oxidation reactions steps, took place ball mill. Moreover, could achieve copper with decent overall yields 10–12%. With approach shift EcoScale obtained from c...

Journal: :Crystals 2022

The interest in mechanochemical reactions and their fields of application have increased enormously recent times. Mechanically activated offer the advantage cost-efficiency as well environmentally friendly syntheses routes. In contrast to thermally induced processes, energy transfer via milling media takes place on a local scale. This leads unique reaction pathways, which often also result form...

2017
Wei Shi Jingbo Yu Zhijiang Jiang Qiaoling Shao Weike Su

In this paper, the synthesis of a cheap, reusable and ligand-free Pd catalyst supported on MgAl layered double hydroxides (Pd/MgAl-LDHs) by co-precipitation and reduction methods is described. The catalyst was used in Heck reactions under high-speed ball milling (HSBM) conditions at room temperature. The effects of milling-ball size, milling-ball filling degree, reaction time, rotation speed an...

Journal: :Nanotechnology 2008
Mohtashim H Shamsi Kurt E Geckeler

DNA-wrapped halloysite nanotubes were obtained by a mechanochemical reaction in the solid state. The characterization by scanning electron microscopy showed that the nanotubes were cut into shorter lengths and were completely covered with DNA. This resulted in a high aqueous solubility of the product with stability of the solution for about 6 weeks. The nanotubes were cut to different fractions...

Journal: :Dalton transactions 2016
Jingyi Wang Rakesh Ganguly Li Yongxin Jesus Díaz Han Sen Soo Felipe García

Mechanochemistry is well-established in the solid-phase synthesis of inorganic materials but has rarely been employed for molecular syntheses. In recent years, there has been nascent interest in 'greener' synthetic methods with less solvent, higher yields, and shorter reaction times being especially appealing to the fine chemicals and inorganic catalyst industries. Herein, we demonstrate that m...

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