Synthesis and reactivity studies of Pd(II) complexes of the bulky CH(SiMe3)2 group.: X ray structure of the indenyl derivative (η-Ind)Pd[CH(SiMe3)2](PMe3)

被引:8
作者
Alías, FM
Belderrain, TR
Carmona, E
Graiff, C
Paneque, M
Tiripicchio, A
机构
[1] Univ Sevilla, CSIC, Dept Quim Inorgan, Inst Invest Quim, E-41092 Seville, Spain
[2] Univ Parma, Dipartimento Chim Gen & Inorgan Chim Analit Chim, Ctr Studio Strutturist Diffrattometr, CNR, I-3100 Parma, Italy
关键词
Pd-alkyl complexes; indenyl ligand; dimeric species;
D O I
10.1016/S0022-328X(98)01100-0
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The reaction of PdCl2(cod) with Mg[CH(SiMe3)(2)]Cl and PMe3 gives the dimeric species {Pd[CH(SiMe3)(2)](mu-Cl)(PMe3)}(2) (2), which, in the presence of PMe3 and Me2PCH2CH2PMe2 (dmpe) affords the monomeric alkyls Pd[CH(SiMe3)(2)]Cl(PMe3)(2) (3) and Pd[CH(SiMe3)(2)]Cl(dmpe) (4), respectively. Compound 3 is obtained as a mixture of cis and trans isomers, in a ratio that depends on the polarity of the solvent, as deduced from H-1- and P-31{H-1}-NMR spectra. Some methatetical reactions are also reported. Spectroscopic and X-ray results obtained for the indenyl derivative (eta-Ind)Pd[CH(SiMe3)(2)](PMe3) (7) are discussed. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:316 / 322
页数:7
相关论文
共 40 条
[1]   CRYSTAL AND MOLECULAR STRUCTURE OF CYCLOPENTADIENYL(TRIMETHYL)PLATINUM(IV), (PI-C5H5)PTME3 [J].
ADAMSON, GW ;
BART, JCJ ;
DALY, JJ .
JOURNAL OF THE CHEMICAL SOCIETY A -INORGANIC PHYSICAL THEORETICAL, 1971, (16) :2616-&
[2]   HOMOGENEOUS CATALYSIS OF HYDROGEN-DEUTERIUM EXCHANGE-REACTIONS INVOLVING CYCLOPENTADIENYL COMPLEXES OF PALLADIUM AND PLATINUM [J].
ANDERSON, GK ;
SAUM, SE ;
CROSS, RJ ;
MORRIS, SA .
ORGANOMETALLICS, 1983, 2 (06) :780-782
[3]   REVERSIBLE FORMATION OF ETA-1-CYCLOPENTADIENL AND ETA-0-CYCLOPENTADIENYL COMPLEXES BY TREATMENT OF [M(C6H4N=NC6H4R)(ETA-5-C5H5)] (M=PD, PT) WITH TERTIARY PHOSPHINES [J].
ANDERSON, GK ;
CROSS, RJ ;
FALLIS, S ;
ROCAMORA, M .
ORGANOMETALLICS, 1987, 6 (07) :1440-1446
[4]  
ATWOOD JA, 1985, INORGANIC ORGANOMETA, P67
[5]   SYNTHESIS, MOLECULAR-STRUCTURE, SOLUTION DYNAMICS, AND REACTIVITY OF (ETA-C5H5)2M(MU-PR2)2RH(ETA-INDENYL) (M = ZR, HF R = ET, PH) [J].
BAKER, RT ;
TULIP, TH .
ORGANOMETALLICS, 1986, 5 (05) :839-845
[6]   X-RAY CRYSTAL-STRUCTURE OF [NI(ETA(2)-C(NBU(T))CH(SIME(3))(2))CL(PME(3))], THE FIRST STRUCTURALLY CHARACTERIZED ETA(2)-ALKANEIMIDOYL COMPLEX OF NICKEL [J].
BELDERRAIN, TR ;
PANEQUE, M ;
POVEDA, ML ;
SERNAU, V ;
CARMONA, E ;
GUTIERREZ, E ;
MONGE, A .
POLYHEDRON, 1995, 14 (02) :323-326
[7]  
BELDERRAIN TR, 1995, POLYHEDRON, V15, P3501
[8]   INTERMEDIATES IN THE PALLADIUM-CATALYZED REACTIONS OF 1,3-DIENES .2. PREPARATION AND STRUCTURE OF (ETA-1,ETA-3-OCTADIENEDIYL)PALLADIUM COMPLEXES [J].
BENN, R ;
JOLLY, PW ;
MYNOTT, R ;
RASPEL, B ;
SCHENKER, G ;
SCHICK, KP ;
SCHROTH, G .
ORGANOMETALLICS, 1985, 4 (11) :1945-1953
[9]  
CANTY AJ, 1995, COMPREHENSIVE ORGA 2, V9
[10]   On the configuration resulting from oxidative addition of RX to Pd(PPh3)4 and the mechanism of the cis-to-trans isomerization of [PdRX(PPh3)2] complexes (R equals aryl, X equals halide) [J].
Casado, AL ;
Espinet, P .
ORGANOMETALLICS, 1998, 17 (05) :954-959