Synthetic Route of 14187-32-7, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 14187-32-7, C20H24O6. A document type is Patent, introducing its new discovery.
A rich electronic aromatic direct nitration method (by machine translation)
The invention discloses a rich electronic aromatic direct nitration synthesis method, which belongs to the field of organic synthesis. The present invention provides a novel green free radical nitration method, in order to arene as raw material, and green nitrating reagent tert-butyl nitrite (TBN) under the room temperature condition, acetonitrile, dichloromethane, chloroform or acetone as the reaction solvent, the free radical nitration reaction, to obtain nitro aromatic hydrocarbon. The present invention does not use metal involved in the reaction, the use of nitrous acid tert-butyl directly involved in the nitration reaction. This invention introduces the withdrawing such as OMe, aromatic compounds to improve the electron density, increase the possibility of the nitration reaction. The invention reduces the amount of tert-butyl nitrite. The reaction of the invention only generates product butyl, reduces environmental pollution. The method of the invention in the nitro-aromatic hydrocarbon synthesis field has important application prospect, realized in the real sense the green nitration, the large-scale industrial production nitro arene provides a new way of thinking. (by machine translation)
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare