Dinuclear Ortho-Metalated Palladium(II) Compounds with N,N- and N,O-Donor Bridging Ligands. Synthesis of New Palladium(III) Complexes
作者:Dirk Penno、Francisco Estevan、Elena Fernández、Pipsa Hirva、Pascual Lahuerta、Mercedes Sanaú、M Angeles Úbeda
DOI:10.1021/om100740q
日期:2011.4.25
New dinuclear ortho-metalated palladium(II) compounds with N,N′-diarylformamidinates, Pd2[(C6H4)PPh2]2[R′NC(H)NR′]2 (R′ = C6H5, 3a; R′ = p-CH3C6H4, 3b; R′ = p-CH3OC6H4, 3c) and N,O-donor ligands, Pd2[(C6H4)PPh2]2[N,O]2 (N,O = succinimidate (5), phtalimidate (6), 2-hydroxypyridinate (7), acetanilidate (8)) have been synthesized and characterized by NMR spectroscopy and X-ray diffraction methods. The
新的双核邻位金属化钯(II)化合物与Ñ,Ñ ' - diarylformamidinates,钯2 [(C 6 H ^ 4)PPH 2 ] 2 [R'NC(H)NR'] 2(R'= C 6 H ^ 5,图3a ; R'= p -CH 3 ç 6 ħ 4,图3b ; R'= p -CH 3 OC 6 H ^ 4,图3c)和N,O-供体配体,钯2 [(C 6 H ^ 4)PPh 2 ] 2 [ N,O ] 2(N,O =琥珀酰亚胺(5),邻苯二甲酰亚胺(6),2-羟基吡啶酸酯(7),对乙酰苯胺酸酯(8))并通过NMR光谱和X射线表征衍射法。用二氯化碘代苯氧化可得到新的稀有Pd 2 6+化合物Pd 2 [(C 6 H 4)PPh 2 ] 2 [R'NC(H)NR'] 2 Cl 2(R'= C 6 H 5,4a; R'= p -CH 3 Ç 6 ħ 4,图4b)。在Pd 2 4+ →Pd 2 6+