Application of 253-52-1, Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics.In a document type is Article, and a compound is mentioned, 253-52-1, Phthalazine, introducing its new discovery.
Time-Resolved Electron Paramagnetic Resonance Investigation of Photochemical Reactions. Hydrogen Abstraction in Azaaromatics and Carbonyls
Transistent EPR spectra have been observed for the intermediate radicals in the photoinduced hydrogen abstraction reactions of azaaromatic molecules and carbonyls in isopropyl alcohol.Temperature dependence has been examined at -10 to -90 deg C.The intermediate radicals are assigned from the spectra with partially resolved hyperfine structures.From the polarity of the signals the precursory excited states for the reactions are determined and their properties are discussed in terms of the possible CIDEP mechanisms.The reactions take place from the T1(n?*) states with negative D values of the T1(??*) states with positive D in the cases of azaaromatics.In aromatic carbonyls the reactions occur from the T1(n?*) or T2(nu-?*) states with negative D values, while in aliphatic carbonyls from the T1(n?*) states with positive D values.
Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Application of 253-52-1. In my other articles, you can also check out more blogs about 253-52-1
Reference£º
Phthalazine – Wikipedia,
Phthalazine | C8H6N491 – PubChem