Über Abkömmlinge des 2,6‐Dinitrophenols

Syntheses, Characterization and Reactivity of Iron(II), Nickel(II), Copper(II) and Zinc(II) Complexes of the Ligand N,N,N′,N′‐Tetrakis(2‐pyridylmethyl)benzene‐1,3‐diamine (1,3‐tpbd) and Its Phenol Derivative 2,6‐Bis[bis(2‐pyridylmethyl)amino]‐p‐cresol (2,6‐tpcd)

“…A possible product that could arise from an intramolecular ligand hydroxylation similar to oxidation reactions observed previously for related systems11 would lead to a phenol ligand shown in Figure 1 (R = H). Therefore we synthesized a derivative of this ligand (R = CH 3 ) from 2,6‐diamino‐ p ‐cresol dihydrochloride44 and 2‐chloromethylpyridine hydrochloride. The copper(II) complex was obtained easily when copper(II) perchlorate was mixed with the ligand and crystals suitable for crystallographic characterization could be isolated.…”

“…2,6‐Bis[bis(2‐pyridylmethyl)amino]‐ p ‐cresol (2,6‐tpcd): A solution of sodium hydroxide (4.18 g, 0.1050 mol) in water (30 mL) was added dropwise with stirring to a mixture of 2,6‐diamino‐ p ‐cresole · 2HCl44 (2 g, 0.0095 mol) and 2‐(chloromethyl)pyridine hydrochloride (7.82 g, 0.0475 mol) in 5 mL H 2 O under inert conditions. The crude product was recrystallized several times from acetone and 0.5 g (0.001 mol) 10.5 % 2,6‐tpcd were obtained.…”