Formula: C6H6N2O. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Picolinamide, is researched, Molecular C6H6N2O, CAS is 1452-77-3, about Half-sandwich ruthenium(II) complexes containing O, N bidentate azo ligands: Synthesis, structure and their catalytic activity towards one-pot conversion of aldehydes to primary amides and transfer hydrogenation of ketones. Author is Nandhini, Raja; Venkatachalam, Galmari.
Ruthenium(II) complexes of the general formula [Ru(η6-p-cymene)(Cl)(L1-5)] (L = O, N-donors of biphenylazo derivatives), were synthesized via reacting 2-(biphenylazo)phenols and 1-(biphenylazo)naphthol ligands with [{η6-(p-cymene)RuCl}2(μ-Cl)2]. The synthesized complexes could act as an efficient, reusable homogeneous catalyst for transformation of aldehydes to the corresponding primary amides ArC(O)NH2 [Ar = Ph, 4-MeC6H4, 2-pyridyl, etc.] in the presence of NH2OH·HCl, thus resulted an expansion of Beckmann rearrangement. They also effectively catalyzed the transfer hydrogenation reaction of various ketones with KOH in presence of 2-propanol to afford RCHOHR1 [R = Et, n-Pr, Ph, 4-MeOC6H4; R1 = Me, Ph; R1R2 = (CH2)5, (CH2)6].
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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem