N-15 and P-31 NMR studies of cyano (trialkyl/triaryl)phosphine gold(I) complexes

被引:18
作者
Akhtar, MN [1 ]
Gazi, IH [1 ]
Isab, AA [1 ]
AlArfaj, AR [1 ]
Wazeer, MIM [1 ]
Hussain, MS [1 ]
机构
[1] KING FAHD UNIV PETR & MINERALS, DEPT CHEM, DHAHRAN 31261, SAUDI ARABIA
关键词
gold; phosphines; cyanide; nmr; scrambling;
D O I
10.1080/00958979508022555
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The ligand scrambling reaction of R(3)PAuC(15)N to form (R(3)PAu+ and Au((CN)-N-15)(2)(-) has been studied (by N-15 and P-31 NMR spectroscopy) for R = Me, Et, i-Pr, and Ph. P-31 NMR Showed two resonances due to R(3)PAuCN and (R(3)PAu+ species, while N-15 NMR showed only an averaged resonance due to R(3)PAuC(15)N and Au((CN)-N-15)(2)(-) species, except for Et(3)PAuC(15)N, for which two separate resonances were detected. R(3)PAu(13)C(15)N (where R = Me, Et and Ph) complexes were also prepared and (2)J(P-31-C-13) as well as (3)J((31)p-N-15) constants were measured. The free activation energy for ligand scrambling in Ph(3)PAuCN was determined by P-31 NMR band shape analysis to be 39.7 kJ/mol(-1).
引用
收藏
页码:149 / 157
页数:9
相关论文
共 26 条
[1]   SYNTHESIS AND CRYSTAL-STRUCTURE OF CYANO(TRIMETHYLPHOSPHINE)GOLD(I) [J].
AHRLAND, S ;
AURIVILLIUS, B ;
DREISCH, K ;
NOREN, B ;
OSKARSSON, A .
ACTA CHEMICA SCANDINAVICA, 1992, 46 (03) :262-265
[2]  
BERNERSPRICE SJ, 1985, INORG CHEM, V24, P3425
[3]   SUBSTITUENT-EFFECT ANALYSIS IN ORGANOCOBALOXIMES - STUDIES OF THE FORMATION-CONSTANTS AND CYANO C-13 AND N-15 NMR CHEMICAL-SHIFTS OF ALKYL(CYANO)COBALOXIMES [J].
BROWN, KL ;
SATYANARAYANA, S .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (14) :5674-5684
[4]   INFRARED AND C-13 AND N-15 NMR-STUDIES OF CYANO(LIGAND)COBALOXIMES - EVIDENCE FOR COBALT-TO-CYANIDE PI-BONDING [J].
BROWN, KL ;
SATYANARAYANA, S .
INORGANIC CHEMISTRY, 1992, 31 (08) :1366-1369
[5]   VIBRATIONAL SPECTRA OF SOME GOLD(I), PALLADIUM(II), AND PLATINUM(II) COMPLEXES WITH TRIALKYLPHOSPHINES AND TRIALKYLARSINES [J].
DUDDELL, DA ;
GOGGIN, PL ;
GOODFELL.RJ ;
NORTON, MG ;
SMITH, JG .
JOURNAL OF THE CHEMICAL SOCIETY A -INORGANIC PHYSICAL THEORETICAL, 1970, (03) :545-&
[6]   SYNTHESIS AND SPECTROSCOPIC CHARACTERIZATION OF (TRIETHYLPHOSPHINE)GOLD(I) COMPLEXES AUX(PET3) (X=CL, BR, CN, SCN), [AUL(PET3)+] (L=SME2, SC(NH2)2, H2O), AND (MU-S)[AU(PET3)]2 [J].
ELETRI, MM ;
SCOVELL, WM .
INORGANIC CHEMISTRY, 1990, 29 (03) :480-484
[7]   THE EFFECT OF CYANIDE ON THE UPTAKE OF GOLD BY RED-BLOOD-CELLS [J].
GRAHAM, GG ;
HAAVISTO, TM ;
JONES, HM ;
CHAMPION, GD .
BIOCHEMICAL PHARMACOLOGY, 1984, 33 (08) :1257-1262
[8]   H-1, C-13 NMR, AND ELECTRONIC ABSORPTION SPECTROSCOPIC STUDIES OF THE INTERACTION OF CYANIDE WITH AUROTHIOMALATE [J].
GRAHAM, GG ;
BALES, JR ;
GROOTVELD, MC ;
SADLER, PJ .
JOURNAL OF INORGANIC BIOCHEMISTRY, 1985, 25 (03) :163-173
[9]  
GRAHAM GG, 1982, J RHEUMATOL, V9, P527
[10]   STABILITIES OF CYANIDE COMPLEXES OF MONOVALENT GROUP IB METAL-IONS IN AQUEOUS-SOLUTION [J].
HANCOCK, RD ;
FINKELST.NP ;
EVERS, A .
JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1972, 34 (12) :3747-&