Category: tetrahydroisoquinoline. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Picolinamide, is researched, Molecular C6H6N2O, CAS is 1452-77-3, about Ruthenium(III) 2-(aminofluoreneazo)phenolate complexes: Synthesis, characterization, catalytic activity in amidation reaction and Fluorescence quenching studies. Author is Thirumal, Muniyappan; Venkattappan, Anbazhagan; Venkatachalam, Galmari.
Ru(III)2-(aminofluoreneazo)phenolate complexes [RuCl(PPh3)2(L1-5)] (1-5) (L = 2-(aminofluoreneazo)phenolate ligands) were synthesized. The characterization of the synthesized complexes was accomplished by elemental anal., spectroscopic (FTIR, UV-visible, Fluorescence and EPR) and ESI-MS techniques. The catalytic performance of one of the synthesized complexes 3 for the amidation of aldehyde in the presence of NaHCO3/NH2OH·HCl was evaluated. The fluorescence emission of [RuCl(PPh3)2(L2)] (2) and [RuCl(PPh3)2(L3) (3)] are effectively quenched by 1,4-benzoquinone and 1,4-naphthoquinone in MeCN medium.
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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem