Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 52-89-1, Name is H-Cys-OH.HCl, molecular formula is C3H8ClNO2S. In an article, author is Broendum, Sebastian S.,once mentioned of 52-89-1, Recommanded Product: H-Cys-OH.HCl.
Reaction of 2,6-dicyanopyridine with 2 equiv. of 2-(propylthio)benzenamine in the presence of lithium bis(trimethylsilyl)amide, followed by ring-closing oxidation with N-chlorosuccinimide affords the novel tridentate ligand, 2,6-bis-(1,2,4-benzothiadiazinyl)pyridine (LH2). Electrochemical studies on the free ligand LH2 reveal a single well-defined 2e(-) oxidation process with E-1/2 = +0.90 V. EPR studies of the in situ chemical oxidation of LH2 reveal the generation of a benzotriazinyl radical. Reactions of ligand LH2 with a range of divalent transition metal salts in either MeOH or MeCN in a 2:1 ratio at ambient temperatures afforded mononuclear complexes with general formula [M(LH2)(2)][X](2) (M = Mn, X = CF3SO3 (1); Fe, X = CF3SO3 (2); Fe, X = BF4 (3); Co, X = Cl (4); Ni, X = Cl (5); Zn, X = CF3SO3 (6)) and the 1:1 complex [Cu(LH2)(NO3)(2)] (7). In all cases the LH2 ligand binds in a tridentate N,N,N chelate fashion via benzothiadiazinyl N-BTDA and pyridyl N-py atoms. The low spin Fe-II complexes (2 and 3) were implemented for NMR and UV-Vis solution studies of ligand reactivity as well as cyclic voltammetry which reveal two 1e-oxidation waves. The metal complexes 1-6 are discussed and reveal a range of geometries between octahedral and trigonal prismatic with the greatest deviation from octahedral symmetry apparent for ions with no crystal field stabilisation energy, i.e. d(10) Zn-II and high spin d(5) Mn-II ions.
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Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics