Preparation of hydroxo- and cyano-complexes of platinum(II) by the use of (crown ether)potassium hydroxide and cyanide
作者:Martin E. Fakley、Alan Pidcock
DOI:10.1039/dt9770001444
日期:——
Phase-transfer catalysis usingcrownethers has been used to obtain [Pt2Cl2(OH)2L2](L = PEt3, PMe2Ph, and PEt2Ph), [Pt2(OH)2(C6H4Me-4)2(PEt2Ph)2], and [Pt(OH)Ph(dppe)] from chloro-complexes and aqueous KOH. Crownethers catalyse the reaction between solid KCN and platinum(II) complexes and salts containing the anions [PtR2(CN)2]2–(R = benzofuran-2-yl, 2-thienyl, 4-methoxyphenyl, and Me), [PtMe2(CN)(PEt3)]–
Synthesis of platinum-iodo-alkyl/aryl complexes in ligand-exchange reactions: Determination of the structure of Pt{(S,S)-bdpp}(X)I complexes (X=Me, I) by X-ray crystallography
Pt(S,S)-bdpp}(R)I (bdpp = 2,4-bis(diphenylphosphino)pentane; R = Me, Ph, Bz, 2-Tioph) complexes were formed in alkyl/aryl ligand – iodide ligand-exchange reactions by reacting the corresponding Pt(S,S)-bdpp}R2 complexes with methyl iodide. The Pt(S,S)-bdpp}(Me)Icomplex was isolated and fully characterised. The influence of the X ligand on the platinum-bdpp chelate conformation was investigated
Pt (S,S)-bdpp}(R)I(bdpp = 2,4-双(二苯基膦基)戊烷; R = Me,Ph,Bz,2-Tioph)络合物是在烷基/芳基配体-碘配体中形成的通过使相应的Pt ((S,S)-bdpp} R 2络合物与碘甲烷反应来交换反应。分离了Pt (S,S)-bdpp}(Me)I配合物并进行了充分表征。通过X射线晶体学研究了在Pt (S,S)-bdpp}(X)I(X = I,SnCl 3,Me)络合物系列中X配体对铂-bdpp螯合物构象的影响。