Recommanded Product: 2923-28-6. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Silver(I) trifluoromethanesulfonate, is researched, Molecular CAgF3O3S, CAS is 2923-28-6, about The kinetic substitution reactions and structural analysis of manganese(I) acetylacetonato complexes. Author is Mokolokolo, Petrus P.; Alexander, Orbett T.; Brink, Alice; Visser, Hendrik G..
The methanol substitution reactions in the manganese acetylacetonato complex, fac-[Mn(CO)3(acac)(CH3OH)], was kinetically studied with a range of entering ligands including pyridine (Py), imidazole (Im) and 4-dimethylaminopyridine (DMAP). All the complexes were characterized by NMR, UV-visible and IR spectroscopy. Moreover, crystal structures of fac-[Mn(CO)3(acac)(CH3OH)] (1), fac-[Mn(CO)3(acac)(Py)] (2) and fac-[Mn(CO)3(acac)(DMAP)] (3) are reported. The substitution of methanol in fac-[Mn(CO)3(acac)(CH3OH)] (1) by DMAP is ∼2 times faster than Py, and 1.7 times faster when compared to Im. The results correlate well with the pKa of the entering nucleophile where pyridine (Py) < imidazole (Im) < 4-dimethylaminopyridine (DMAP). The activation parameters for 1 were determined as ΔH≠ = 73.9 ± 0.6 kJ mol-1 and the entropy of activation ΔS≠ = -28 ± 2 JK-1 indicating an interchange associative mechanism. The article 《The kinetic substitution reactions and structural analysis of manganese(I) acetylacetonato complexes》 also mentions many details about this compound(2923-28-6)Recommanded Product: 2923-28-6, you can pay attention to it, because details determine success or failure
Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem