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. 614-18-6, Name is Ethyl nicotinate, molecular formula is , belongs to pyridine-derivatives compound. In a document, author is Buhaibeh, Ruqaya, COA of Formula: C8H9NO2.
Cationic PCP and PCN NHC Core Pincer-Type Mn(I) Complexes: From Synthesis to Catalysis
The coordination chemistry of NHC core pincer-type PCP and PCN ligands with a Mn(I) center was systematically investigated. The reaction of [Mn(CO)(5)Br] with free carbenes, conveniently prepared from the corresponding imidazolium salts and a strong base, leads to the initial formation of bidentate fac[MnBr(CO)(3) (kappa P-2,C,L)] complexes bearing a pending phosphine or pyridine donor extremity (L), which upon bromide abstraction, afford cationic [Mn(CO)(3)(kappa P-3,C,L)](OTf) derivatives exhibiting a meridional or a facial coordinating geometry of tridentate NHC core ligand depending on its relative flexibility. All bi- and tridentate Mn(I) complexes were characterized by X-ray diffraction analysis. The impact of the tridentate ligand structure on catalytic performance was illustrated in the Mn-catalyzed hydrogenation of acetophenone revealing fac-[Mn(CO)(3)(kappa P-3,C,N)](OTO based on a 5,6-membered metallacyclic architecture to be the most active, thus evidencing the role of the pyridine arm lability in the catalytic cycle.
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 614-18-6, in my other articles. COA of Formula: C8H9NO2.
Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem