Complexes of palladium(II) chloride with 3-(pyrazol-1-yl)propanamide (PPA) and related ligands
作者： Tyler M. Palombo , Phil Liebing , Sara J. Hildebrand , Quentin R. Patrikus , Anders P. Assarsson
DOI: 10.1016/J.POLY.2019.07.043
关键词: Crystal structure 、 Chemistry 、 Palladium(II) chloride 、 Solid-state 、 Propanamide 、 Supramolecular chemistry 、 Alkyl 、 Medicinal chemistry 、 Amide
摘要: Abstract Four new derivatives of the versatile polyfunctional ligands 3-(pyrazol-1-yl)propanamide (1, = PPA) and 3-(3,5-dimethylpyrazol-1-yl)-propanamide (2, = Me2PPA) have been prepared, in which one amide hydrogens on 1 2 is formally replaced by alkyl residues. X-Ray diffraction studies revealed that, contrast to 2, N-isopropyl substituted 3 4 form supramolecular hydrogen-bonded chains rather than two-dimensional arrays, N-(2-methyl-4-oxypentan-2-yl) (=MOP) compounds 5 6 exist as cyclic dimers solid state. Reactions PdCl2(COD) (COD = 1,5-cyclooctadiene) with equiv. corresponding 1–6 all cases afforded trans-PdCl2(L)2 complexes (7–12). X-ray crystal structure determinations 8, 10–12 κN-monodentate coordination PPA-type ligands.
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