Three-centre dihydrogen bond with fast interchange between proton and hydride:: a very active catalyst for D+-H2 exchange

被引：44

作者：

Caballero, A ^{[1
]}

Jalón, FA ^{[1
]}

Manzano, BR ^{[1
]}

机构：

[1] Univ Castilla La Mancha, Dept Quim Inorgan Organ & Bioquim, E-13071 Ciudad Real, Spain

来源：

CHEMICAL COMMUNICATIONS | 1998年 / 17期

关键词：

D O I：

10.1039/a803972k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Protonation of a ruthenium hydride containing the hemilabile ligand PPh(2)py gave a complex with a three-centre dihydrogen bond (Ru-H...H-Py-2), and this system exhibits a fast proton/hydride interchange and is a very active catalyst for D+-H-2 exchange.

引用

页码：1879 / 1880

页数：2

共 19 条

[1] First NMR observation of the intermolecular dynamic proton transfer equilibrium between a hydride and coordinated dihydrogen: (dppm)(2)HRuH center dot center dot center dot H-OR=[(dppm)(2)HRu(H-2)](+)(OR)(-) [J].

Ayllon, JA ;

Gervaux, C ;

SaboEtienne, S ;

Chaudret, B .

ORGANOMETALLICS, 1997, 16 (10) :2000-2002

[2]

CarrilloHermosilla F, 1996, AN QUIM, V92, P339

[3] REACTIVITY OF THE BIS(DIHYDROGEN) COMPLEX RUH2(H-2)(2)(PCY(3))(2) TOWARD SMALL MOLECULES AND WEAK ACIDS [J].

CHRIST, ML ;

SABOETIENNE, S ;

CHUNG, G ;

CHAUDRET, B .

INORGANIC CHEMISTRY, 1994, 33 (23) :5316-5319

[4] A new intermolecular interaction: Unconventional hydrogen bonds with element-hydride bonds as proton acceptor [J].

Crabtree, RH ;

Siegbahn, PEM ;

Eisenstein, O ;

Rheingold, AL .

ACCOUNTS OF CHEMICAL RESEARCH, 1996, 29 (07) :348-354

[5]

DESROSIER PJ, 1991, J AM CHEM SOC, V113, P173

[6] ETA-2-DIHYDROGEN ON THE BRINK OF HOMOLYTIC CLEAVAGE - TRANS-[OS(H=H)H(PET2CH2CH2PET2)2]+ HAS SPECTROSCOPIC AND CHEMICAL-PROPERTIES BETWEEN THOSE OF THE ISOELECTRONIC COMPLEXES TRANS-[OSH(PPH2CH2CH2PPH2)2(ETA-2-H2)]+ AND REH3(PPH2CH2CH2PPH2)2 [J].

EARL, KA ;

JIA, GC ;

MALTBY, PA ;

MORRIS, RH .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1991, 113 (08) :3027-3039

[7]

FAJARDO M, 1993, J CHEM SOC DA, P1937

[8] Influence of hydrogen bonding on the spectroscopic properties and on the reactivity of ruthenium hydride dihydrogen complexes [J].

Guari, Y ;

Ayllon, JA ;

Sabo-Etienne, S ;

Chaudret, B ;

Hessen, B .

INORGANIC CHEMISTRY, 1998, 37 (04) :640-644

[9] AN UNUSUAL TYPE OF H...H INTERACTION - IR-H...H-O AND IR-H...H-N HYDROGEN-BONDING AND ITS INVOLVEMENT IN SIGMA-BOND METATHESIS [J].

LEE, JC ;

PERIS, E ;

RHEINGOLD, AL ;

CRABTREE, RH .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1994, 116 (24) :11014-11019

[10] PYRIDYLPHOSPHINES [J].

NEWKOME, GR .

CHEMICAL REVIEWS, 1993, 93 (06) :2067-2089

← 1 2 →