Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology. 94-93-9, Name is 2,2′-((Ethane-1,2-diylbis(azanylylidene))bis(methanylylidene))diphenol, molecular formula is , belongs to chiral-catalyst compound. In a document, author is Noel, Sebastien, Quality Control of 2,2′-((Ethane-1,2-diylbis(azanylylidene))bis(methanylylidene))diphenol.
Cinchonidine-functionalized beta-cyclodextrin was used as stabilizing agent for platinum nanoparticles dispersed in water, but also as chiral modifier for the asymmetric hydrogenation of ethyl pyruvate at 30 degrees C under 40 bar of hydrogen. This functionalized cyclodextrin allowed getting more stable, more catalytically active and also more enantioselective Pt nanoparticles compared to control catalytic systems. NMR and MALDI-MS analyses clearly showed the reduction of the vinyl group of the cinchonidine graft during the nanoparticles preparation. Under hydrogen pressure, the hydrogenation of the quinolinic moiety was also proven and can be responsible for the difficulties encountered during the recycling study.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 94-93-9, in my other articles. Quality Control of 2,2′-((Ethane-1,2-diylbis(azanylylidene))bis(methanylylidene))diphenol.
Reference:
Chiral Catalysts,
,Chiral catalysts – SlideShare