Chemistry is traditionally divided into organic and inorganic chemistry. category: catalyst-palladium, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 32005-36-0
Syntheses, structures, and magnetic properties of di-mu3-chloride- bridged hexakis(quinoline 2(1h)thione) trichloro tripalladium complex and bis(n,n’diethyldithiocarbamate) bis(triphenylphosphine) trichloro/tripalladium complex
Two triangular tripalladium compounds, [Pd3(mu3-Cl)2(HqnS)6]Cl2 (1) (HqnS = quinoline-2(1H)-thione), and [Pd3(mu3Cl)2(Et2dtc)2(PPh3)2]¡¤C6H6 (2) (Et2dtc = N, N’- diethyldithiocarbamate anion), were prepared. Their single crystal X-ray structure analyses revealed they have a similar trigonal bipyramidal framework of Pd3(mu3-Cl)2 with two chlorine atoms in apical positions. Each Pd atom in all clusters has two additional coordination sites to establish a square planar cis-PdL2(mu3-Cl)2 geometry. In compound 1, six sulfur atoms of six HqnS ligands with thion form are coordinated to the vacant sites of the Pd3(mu3-Cl)2 core. Two coordination sites of one of the three Pd atoms in 2 are occupied by two triphenylphosphines and those of the other two are coordinated by two S atoms of Et2dtc. Although both compounds have 50 valence electrons, only 1 shows paramagnetic behavior. Crystallographic data are as follows. 1: Pd3Cl4S6N6C54H42, triclinic, P1, a = 14.988(5), b = 17.328(3), c = 12.642(1) A, alpha = 93.61(1), beta = 96.06(2), gamma = 71.79(2), V = 3099(1) A3, and Z = 2. 2: Pd3Cl2P2S4N2C52H56, monoclinic, P21, a = 12.278(5), b = 17.426(6), c = 12.630(3) A, beta = 94.65(3), V = 2693(2) A3, and Z = 2.
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Reference£º
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method