Podjed, Nina published the artcileStructural diversity and magnetic properties of copper(II) quinaldinate compounds with amino alcohols, COA of Formula: C4H11NO, the publication is New Journal of Chemistry (2022), 46(15), 6899-6920, database is CAplus.
The reactions between [Cu(quin)2(H2O)] (quin– = the anionic form of quinoline-2-carboxylic acid) and a series of aliphatic amino alcs. have yielded structurally very diverse copper(II) complexes, labeled a–g. Single-crystal X-ray structure anal. has revealed either intact amino alc. mols. or amino alcoholate ions serving as ligands. In type a complexes, the amino alcs. are bound in a monodentate manner via NH2. Engagement of both functional groups in coordination was observed for types b and e (a bidentate chelating mode) and type c (a bidentate bridging one) complexes. In view of the strong bidentate chelating coordination of quinaldinate in [Cu(quin)2(H2O)], the formation of homoleptic amino alc. complexes e was not anticipated. Equally surprising was the transformation of a mononuclear starting material into a one-dimensional (1D) coordination polymer, [Cu(quin)2]n (g). Spontaneous deprotonation of some amino alcs. and coordination of, thus formed, amino alcoholates via both donors also took place. Dinuclear complexes (d) contained two bridging amino alcoholates, while bidentate chelating mode was observed for type f. Interestingly, the dinuclear complex exists as two isomers which differ in the position of quinaldinates with respect to the Cu(μ-OR)2Cu core. DFT calculations on isolated syn- and anti-[Cu2(quin)2(3a1pO)2] (3a1pO– = anion of 3-amino-1-propanol) have shown the syn isomer to be more stable. The explanation lies in the intramol. π···π stacking of quinaldinates, possible only in this isomer. Magnetic susceptibility measurements revealed antiferromagnetic interactions between S = 1/2 copper(II) spins in all the studied compounds except in [Cu(quin)2]n (g) for which weak ferromagnetic couplings are detected.
New Journal of Chemistry published new progress about 96-20-8. 96-20-8 belongs to alcohols-buliding-blocks, auxiliary class Amine,Aliphatic hydrocarbon chain,Alcohol, name is 2-Aminobutan-1-ol, and the molecular formula is C4H11NO, COA of Formula: C4H11NO.
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