CYCLOMETALATED PLATINUM(II) AND PLATINUM(IV) COMPOUNDS OF N-BENZYLIDENE-2-CHLOROBENZYLAMINE - CRYSTAL-STRUCTURE OF [PTME(PPH3)(C6H4CH=NCH2C6H4CL-2)]

被引:16
作者
CRESPO, M [1 ]
SOLANS, X [1 ]
FONTBARDIA, M [1 ]
机构
[1] UNIV BARCELONA,DEPT CRISTALLOG MINERAL & DIPOSITS MINERALS,E-08028 BARCELONA,SPAIN
关键词
PLATINUM; X-RAY STRUCTURE; CYCLOMETALATED PLATINUM(II); (IV); IMINE; OXIDATIVE ADDITION;
D O I
10.1016/0022-328X(94)87163-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The cyclometallated compound [PtMe(SMe2)(C6H4CH=NCH2C6H4Cl-2)] (1) undergoes a displacement reaction with PPh3 to yield a cyclometallated platinum(II) compound [PtMe(PPh3)(C6H4CH=NCH2C6H4Cl-2)] (2), which has been characterized crystallographically. Complex 2 crystallizes in the monoclinic space group C2/c, with a = 38.402(4) angstrom, b = 7.993(3) angstrom, c = 18.563(3) angstrom, beta = 101.34(3)-degrees and Z = 8. The reaction of 1 with 1,2-bis(diphenylphosphino)ethane (dppe) yields [PtMe(dppe)-(C6H4CH=NCH2C6H4Cl-2)] (3) containing an unidentate C donor imine ligand and a chelating diphosphine. Oxidative addition of methyl iodide to 1 yields a cyclometallated platinum(IV) compound [PtMe2I(SMe2)(C6H4CH=NCH2C6H4Cl-2)] (4), which undergoes a displacement reaction of SMe2 by PPh3 to yield [PtMe2I(PPh3)(C6H4CH=NCH2C6H4Cl-2)] (5). Compound 5 can also be obtained by oxidative addition of methyl iodide to 2. The stereochemistry of compounds 4 and 5 is discussed.
引用
收藏
页码:187 / 192
页数:6
相关论文
共 33 条
[11]   CYCLOPALLADATED AND CYCLOPLATINATED COMPLEXES OF 6-PHENYL-2,2'-BIPYRIDINE - PLATINUM PLATINUM INTERACTIONS IN THE SOLID-STATE [J].
CONSTABLE, EC ;
HENNEY, RPG ;
LEESE, TA ;
TOCHER, DA .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1990, (06) :513-515
[12]   FORMATION OF COVALENT BONDS FROM PLATINUM OR PALLADIUM TO CARBON BY DIRECT SUBSTITUTION [J].
COPE, AC ;
SIEKMAN, RW .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1965, 87 (14) :3272-&
[13]   ELECTROPHILIC AROMATIC SUBSTITUTION REACTIONS BY PLATINUM(2) AND PALLADIUM(2) CHLORIDES ON N,N-DIMETHYLBENZYLAMINES [J].
COPE, AC ;
FRIEDRICH, EC .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1968, 90 (04) :909-+
[14]   EFFECT OF FLUORINE SUBSTITUENTS IN INTRAMOLECULAR ACTIVATION OF C-F AND C-H BONDS BY PLATINUM(II) [J].
CRESPO, M ;
MARTINEZ, M ;
SALES, J .
ORGANOMETALLICS, 1993, 12 (11) :4297-4304
[15]   CATIONIC INTERMEDIATES IN OXIDATIVE ADDITION-REACTIONS OF ALKYL-HALIDES TO D8 COMPLEXES - EVIDENCE FOR THE SN2 MECHANISM [J].
CRESPO, M ;
PUDDEPHATT, RJ .
ORGANOMETALLICS, 1987, 6 (12) :2548-2550
[16]   SYNTHESES AND MECHANISTIC STUDIES IN THE FORMATION OF ENDO-CYCLOMETALATED AND EXO-CYCLOMETALATED PLATINUM COMPOUNDS OF N-BENZYLIDENEBENZYLAMINES [J].
CRESPO, M ;
MARTINEZ, M ;
SALES, J ;
SOLANS, X ;
FONTBARDIA, M .
ORGANOMETALLICS, 1992, 11 (03) :1288-1295
[17]   AN UNEXPECTED DINUCLEAR ZWITTERIONIC PT-II CATION [PT2(C6H3(CH2NHME2)2-2,6)2I4]2+ AND ALCOHOLS FROM THE REACTION OF AN ARYL(DIAMINE)(AQUO)PT-II COMPLEX WITH ALKYL IODIDES - X-RAY AND NMR-STUDIES [J].
DAVIDSON, MF ;
GROVE, DM ;
VANKOTEN, G ;
SPEK, AL .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1989, (20) :1562-1564
[18]  
HARTLEY FR, 1982, COMPREHENSIVE ORGANO, V6, P581
[19]   SPECTROSCOPIC PROPERTIES OF PT(II) AND PD(II) COMPLEXES WITH AROMATIC TERDENDATE (C-N-C) CYCLOMETALLATING LIGANDS [J].
MAESTRI, M ;
DEUSCHELCORNIOLEY, C ;
VONZELEWSKY, A .
COORDINATION CHEMISTRY REVIEWS, 1991, 111 :117-123
[20]   EXCITED-STATE ANNIHILATION PROCESS INVOLVING A CYCLOMETALATED PLATINUM(II) COMPLEX [J].
MAESTRI, M ;
SANDRINI, D ;
VONZELEWSKY, A ;
DEUSCHELCORNIOLEY, C .
INORGANIC CHEMISTRY, 1991, 30 (11) :2476-2478