Synthesis and characterisation of PCsp3P phosphine and phosphinite iridium complexes. Cyclometallation and dehydrogenation of a cyclohexyl ring

被引：40

作者：

Arunachalampillai, Athimoolam ^{[1
]}

Olsson, Daniel ^{[1
]}

Wendt, Ola F. ^{[1
]}

机构：

[1] Lund Univ, Dept Chem, S-22100 Lund, Sweden

来源：

DALTON TRANSACTIONS | 2009年 / 40期

基金：

瑞典研究理事会;

关键词：

DIPHOSPHINITO POCOP COMPLEXES; PCP PINCER COMPLEXES; METAL-CARBON BONDS; C-H; CRYSTAL-STRUCTURES; CATALYTIC DEHYDROGENATION; OXIDATIVE ADDITION; DINITROGEN; AMMONIA; ACTIVATION;

D O I：

10.1039/b910798c

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A cyclohexyl based pincer phosphine ligand undergoes cyclometalation with an iridium cyclooctadiene precursor to give a highly thermally stable iridium(III) complex where a C(sp(3))-H bond has been oxidatively added. This iridium(III) hydride complex is reduced with potassium to give a terminal iridium(I) dinitrogen complex with no tendency to dimerization. The corresponding cyclohexyl phosphinite ligand undergoes reversible dehydrogenation to give the aromatic cyclometalated iridium(III) hydride complex together with 3 equivalents of dihydrogen.

引用

页码：8626 / 8630

页数：5

共 48 条

[1] [Anonymous], 2005, CRYS RED
[2] Athimoolam A., 2008, ORGANOMETALLICS, V27, P4541
[3] Synthesis of a β-diiminate iridium tetrahydride for arene C-H bond activation
Bernskoetter, WH
Lobkovsky, E
Chirik, PJ
[J]. CHEMICAL COMMUNICATIONS, 2004, (07) : 764 - 765
[4] Syntheses and reactivities of new PC(SP3)P pincer complexes of nickel
Castonguay, A
Sui-Seng, C
Zargarian, D
Beauchamp, AL
[J]. ORGANOMETALLICS, 2006, 25 (03) : 602 - 608
[5] Preparation and Reactivities of PCP-Type Pincer Complexes of Nickel. Impact of Different Ligand Skeletons and Phosphine Substituents
Castonguay, Annie
Beauchamp, Andre L.
Zargarian, Davit
[J]. ORGANOMETALLICS, 2008, 27 (21) : 5723 - 5732
[6] Clusker J. P., 1994, CRYSTAL STRUCTURE AN
[7] DEHYDROGENATION OF ALKANES TO ARENES BY IRIDIUM COMPLEXES
CRABTREE, RH
PARNELL, CP
URIARTE, RJ
[J]. ORGANOMETALLICS, 1987, 6 (04) : 696 - 699
[8] TRANSITION METAL-CARBON BONDS .52. LARGE RING AND CYCLOMETALLATED COMPLEXES FORMED FROM BUT2PCH2CH2CHRCH2CH2PBUT2 (R=H OR ME) AND IRCL3, OR [IR2CL4(CYCLO-OCTENE)4] - CRYSTAL-STRUCTURES OF THE CYCLOMETALLATED HYDRIDE, [IRHCL(BUT2PCH2CH2CHCH2CH2PBUT2)], AND THE CARBENE COMPLEX [IRCL(BUT2PCH2CH2CCH2CH2PBUT2)]
CROCKER, C
EMPSALL, HD
ERRINGTON, RJ
HYDE, EM
MCDONALD, WS
MARKHAM, R
NORTON, MC
SHAW, BL
WEEKS, B
[J]. JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1982, (07): : 1217 - 1224
[9] ELECTRON DIFFRACTION INVESTIGATION OF MOLECULES CONTAINING A CYCLOHEXANE TYPE 6-MEMBERED RING
DAVIS, M
HASSEL, O
[J]. ACTA CHEMICA SCANDINAVICA, 1963, 17 (04): : 1181 - &
[10] Efficient catalysis of ammonia borane dehydrogenation
Denney, Melanie C.
Pons, Vincent
Hebden, Travis J.
Heinekey, D. Michael
Goldberg, Karen I.
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2006, 128 (37) : 12048 - 12049

← 1 2 3 4 5 →