A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 14187-32-7, Name is Dibenzo-18-crown-6, molecular formula is C20H24O6. In a Article£¬once mentioned of 14187-32-7, Recommanded Product: Dibenzo-18-crown-6
Spectroscopic study of charge transfer complexes of some benzo crown ethers with ?-acceptors DDQ and TCNE in dichloromethane solution
Formation of the charge transfer complexes between benzo-15-crown-5, dibenzo-18-crown-6, dibenzo-24-crwon-8 and dibenzo-30-crown-10 and the ?-acceptors DDQ and TCNE in dichloromethane solution was investigated spectrophotometrically.The molar absorptivities and formation constants of the resulting 1:1 molecular complexes were determined.The stabilities of the complexes of both ?-acceptors vary in the order DB18C6 > DB30C10 ca./= DB24C8 > B15C5.All of the resulting complexes were isolated in crystalline form and characterized.The influence of potassium ion on the formation and stability of the TCNE molecular complexes were studied.Effects of the crown ether structure of the K+ ion on the formation of charge transfer complexes is discussed.
Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Recommanded Product: Dibenzo-18-crown-6. In my other articles, you can also check out more blogs about 14187-32-7
Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare