Unusually weak metal-hydrogen bonds in HV(CO)4(P-P) and their effectiveness as H• donors

被引：61

作者：

Choi, Jongwook ^{[1
]}

Pulling, Mary E. ^{[1
]}

Smith, Deborah M. ^{[1
]}

Norton, Jack R. ^{[1
]}

机构：

[1] Columbia Univ, Dept Chem, New York, NY 10027 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 13期

关键词：

D O I：

10.1021/ja710455c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The V-H bonds in HV(CO)(4)(P-P) are unusually weak (55 to 58 kcal/mol). They transfer H center dot to styrene more rapidly than CpCr (CO)(3)H does and are effective stoichiometric reagents for the cyclization of appropriate 1,6-dienes.

引用

页码：4250 / +

页数：4

共 42 条

[1] Oxidative addition of a dinuclear and divalent vanadium hydride to an olefin C-H bond, leading to catalytic hydrogenation [J].

Aharonian, G ;

Gambarotta, S ;

Yap, GPA .

ORGANOMETALLICS, 2001, 20 (24) :5008-5010

[2]

Armentrout P., 1996, ORGANOMETALLIC ION C, P1

[3] Free-energy relationships between the proton and hydride donor abilities of [HNi(diphosphine)2]+ complexes and the half-wave potentials of their conjugate bases [J].

Berning, DE ;

Miedaner, A ;

Curtis, CJ ;

Noll, BC ;

DuBois, MCR ;

Dubois, DL .

ORGANOMETALLICS, 2001, 20 (09) :1832-1839

[4] HOMOLYTIC BOND-DISSOCIATION ENERGIES IN SOLUTION FROM EQUILIBRIUM ACIDITY AND ELECTROCHEMICAL DATA [J].

BORDWELL, FG ;

CHENG, JP ;

HARRELSON, JA .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1988, 110 (04) :1229-1231

[5] THERMODYNAMIC DETERMINATION OF PKAS OF WEAK HYDROCARBON ACIDS USING ELECTROCHEMICAL REDUCTION DATA - TRIARYLMETHYL ANIONS, CYCLOHEPTATRIENYL ANION, AND TRIPHENYL CYCLOPROPENYL AND TRIALKYLCYCLOPROPENYL ANIONS [J].

BRESLOW, R ;

CHU, W .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1973, 95 (02) :411-418

[6] PKA OF TRIPHENYLCYCLOPROPENE . ELECTROCHEMICAL DETERMINATION OF AN INACCESSIBLE EQUILIBRIUM CONSTANT [J].

BRESLOW, R ;

BALASUBR.K .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1969, 91 (18) :5182-&

[7] HYDROGEN-ATOM TRANSFER-REACTIONS OF TRANSITION-METAL HYDRIDES - KINETICS AND MECHANISM OF THE HYDROGENATION OF ALPHA-CYCLOPROPYLSTYRENE BY METAL-CARBONYL HYDRIDES [J].

BULLOCK, RM ;

SAMSEL, EG .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1990, 112 (19) :6886-6898

[8]

CASEY CP, 1990, ISRAEL J CHEM, V30, P299

[9] GAS-PHASE THERMOCHEMISTRY OF VH AND CRH [J].

CHEN, YM ;

CLEMMER, DE ;

ARMENTROUT, PB .

JOURNAL OF CHEMICAL PHYSICS, 1993, 98 (06) :4929-4936

[10] Kinetics of hydrogen atom transfer from (η5-C5H5)Cr(CO)3H to various olefins:: Influence of olefin structure [J].

Choi, Jongwook ;

Tang, Lihao ;

Norton, Jack R. .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2007, 129 (01) :234-240

← 1 2 3 4 5 →