Methylchloroformate synthesis via direct interaction of palladium di(methoxycarbonyl) complexes with CuCl2: Utilization in the synthesis of carbonates and carbamates
摘要:
ClCOOCH3 has been obtained in very good yield by -action of [PdL2(COOCH3)2] [L2 = 2,2'-bipyridine (bipy) or 1,10-phenanthroline (phen)] with CuCl2. The in situ reaction of ClCOOCH3 with alcohols or amines produces carbonates or carbamates.
Synthesis and characterisation of organo-platinum(II) complexes of the N,O-donor ligands hippuric acid (N-benzoylglycine) and N-phenylanthranilic acid
作者:Sophie A. Sim、Graham C. Saunders、Joseph R. Lane、William Henderson
DOI:10.1016/j.ica.2016.05.053
日期:2016.8
selection of phosphine-substituted analogues [PtN(COPh)CH2 COO}L 2 ] [L = phosphatriazaadamantane (pta), PPh 3 , or L 2 = Ph 2 PCH 2CH2 PPh 2 or Fe(η5 -C 5H4 PPh 2 ) 2 ] via displacement of the labile cod ligand. The complexes were characterised using NMR spectroscopy, IR spectroscopy, and ESI mass spectrometry. The X-ray structure of [PtN(COPh)CH2 COO}(cod)] is also reported.
摘要[PtCl 2(cod)](cod =环辛-1,5-二烯)与马来酸[PhC(O)NHCH 2 COOH]或N-苯基邻氨基苯甲酸(邻-PhNHC 6 H 4 COOH)的反应在氧化银(I)存在下,在二氯甲烷中回流得到新的有机铂衍生物[Pt N(COPh)CH 2 COO}(cod)]和[Pt N(Ph)C 6 H 4 COO}(cod)]分别。[Pt N(COPh)CH 2 COO}(cod)]中的鳕鱼配体的配体取代反应为选择膦取代的类似物[Pt N(COPh)CH 2 COO} L 2]提供了简便的途径[ L =通过不稳定的鳕鱼配体的置换,使磷杂氮杂十二烷基金刚烷(pta),PPh 3或L 2 = Ph 2 PCH 2 CH 2 PPh 2或Fe(η5 -C 5 H 4 PPh 2)2]。使用NMR光谱,IR光谱和ESI质谱对复合物进行表征。还报道了[Pt N(COPh)CH
New zinc(II), palladium(II) and platinum(II) complexes of dl-piperidine-2-carboxylic acid; X-ray crystal structure of trans-[Zn2(μ-Ca)2(Hpa)2Cl6] and anticancer activity of some complexes
作者:Afaf A. Alie El-Deen、Abd El-Monem E. El-Askalany、Ruba Halaoui、Bertrand J. Jean-Claude、Ian S. Butler、Sahar I. Mostafa
DOI:10.1016/j.molstruc.2012.09.045
日期:2013.3
ligands, through the carboxyl oxygen and cyclic nitrogen atoms. The crystalstructure of trans-[Zn2(μ-Ca)2(Hpa)2Cl6], obtained from the addition of ZnCl2 to dl -H2pa in either hard tap water or presence of CaCl2, has been determined by X-ray diffraction. It crystallizes in a triclinic lattice with space group symmetry P1. The complex has two zinc atoms in tetrahedral geometry, each ligated by a carboxyl
Coordination modes of 3-hydroxypicolinic acid: synthesis and crystal structures of palladium(II), platinum(II) and rhenium(V) complexes
作者:Susana M. O. Quintal、Helena I. S. Nogueira、Vitor Fe´lix、Michael G. B. Drew
DOI:10.1039/a908560b
日期:——
3-hydroxypicolinic acid (HpicOH) [M(PPh3)2Cl(picOH)]·CHCl3, [M(bipy)(picOH)]Cl [M=Pd(II) or Pt(II)], K[PdCl(picOH)2] and [Pt(picOH)2] and the new rhenium complexes [ReOI2(PPh3)(picOH)] and [ReO(PPh3)(picOH)2]I have been prepared. The crystal structures of [M(PPh3)2Cl(picOH)]·CHCl3 [M=Pd(II) 1 or Pt(II) 2] and [ReOI2(PPh3)(picOH)] 3 were determined by X-ray diffraction. Complex 3 exhibits a distorted octahedral
Platinum(II) and palladium(II) complexes derived from the monoanion of isatin (2,3-dihydroindole-2,3-dione, Hisat); crystal structure of cis-[Pt(isat)2(PPh3)2]
作者:Justin M. Law、William Henderson、Brian K. Nicholson
DOI:10.1039/a704803c
日期:——
A number of platinum(II) and palladium(II) complexes containing the monoanion of isatin (2,3-dihydroindole-2,3-dione, Hisat) have been synthesized by reaction of the metal halide complex with isatin, in the presence of triethylamine. The complexes have been characterised by NMR and IR spectroscopies and elemental analysis. A single-crystal X-ray diffraction study has been carried out on cis-[Pt(isat)2(PPh3)2], which shows two cis-isat ligands with their dicarbonyl functions pointing in opposite directions. Electrospray mass spectrometry was also used for characterisation; the complexes show a strong tendency to form aggregate ions with ammonium ions, and both mono- and di-cationic species are observed.
Cis–Trans Ring Substituent Isomerism in Cyano-Substituted Metallathietane-3,3-dioxide Complexes of Platinum(II) and Palladium(II)
作者:Sacha A. M. Dowling-Mitchell、William Henderson、Edward R. T. Tiekink、J. Petrakopoulou、Michael P. Sigalas
DOI:10.1021/om2011497
日期:2012.7.9
trans isomers, with regard to the disposition of the cyano groups across the four-membered ring. An X-ray structure determination on a crystal of [PdCH(CN)SO2CH(CN)}(PPh3)2] showed it to be of the cis isomer, the first structurally characterized cis isomer of this type of complex. The four-membered palladacyclic ring is highly planar, in contrast to other metallathietane-3,3-dioxide complexes that
铂配合物顺式[[PtCl 2(PPh 3)2 ],[PtCl 2(dppf)]或[PtCl 2(dppe)]与钯配合物[PdCl 2(PPh 3)2 ]或[ PdCl 2(dppe)],在甲醇中加入双(氰基甲基)砜NCCH 2 SO 2 CH 2 CN并加入三甲胺碱,得到新的氰基取代的金属-三金属杂环丁烷-3,3-二氧化物配合物[M CH(CN)SO 2 CH (CN)} L 2 ](M = Pd,Pt)具有良好的收率和纯度。1 H和31 P 11 H NMR光谱表明(在大多数情况下)就氰基基团在四元环上的分布而言,产物是顺式和反式异构体的混合物。在[Pd CH(CN)SO 2 CH(CN)}(PPh 3)2晶体上的X射线结构测定表明它为顺式异构体,这是这类配合物的第一个结构表征的顺式异构体。与其他具有褶皱环的金属金属硫杂环丁烷-3,3-二氧化物配合物相反,四元的四环环是高度平面的。影响[Pd