A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 27148-03-4
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A comparative study of the coordination of saccharinate, thiosaccharinate and benzisothiozolinate ligands to cyclometalated [Pd(Me2NCH2C6H4-kappa2N,C)(mu-Cl)]2: Molecular structures of [Pd(Me2NCH2C6H4-kappa2N,C)(mu-X)]2 (X?=?sac, bit and tsac) and [Pd(Me2NCH2C6H4-kappa2N,C)Cl(ampyH-kappa1N)] (ampyH?=?2-amino-3-methylpyridine)
Reactions of [Pd(Me2NCH2C6H4-kappa2N,C)(mu-Cl)]2 with two equivalents of sodium saccharinate (Nasac), thiosaccharin (Htsac) or sodium benzisothiozolinate (Nabit) results in the stepwise substitution of the bridging halides to form sequentially [Pd2(Me2NCH2C6H4-kappa2N,C)2(mu-Cl)(mu-X)] (X = sac, tsac) and [Pd(Me2NCH2C6H4-kappa2N,C)(mu-X)]2 (X = sac, tsac, bit). The molecular structures of all three disubstituted complexes are reported. In each the two metalated ligands bind in a chelate manner adopting a relative anti conformation, while the new ligands bridge the two palladium atoms adopting a relative cis conformation. The local conformation about each palladium differs with small ligand changes. Thus in the sac and bit complexes all nitrogens lie trans to one another, in the tsac complex they are cis. Conformational changes also lead to large differences in the non-bonded Pd?Pd distance which range over 0.5 A. Treatment of [Pd(Me2NCH2C6H4-kappa2N,C)(mu-Cl)]2 with two equivalents of 2-amino-3-methylpyridine (ampyH) in the presence of NEt3 affords mononuclear [PdCl(Me2NCH2C6H4-kappa2N,C)(ampyH-kappa1N)] as a result of ?bridge-splitting?, the ampyH ligand binding through the pyridyl-nitrogen and lying approximately perpendicular to the PdCClN2 plane as shown by a crystallographic study.
A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 27148-03-4
Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com