Dynamic equilibration of η1-carbene and η2-alkyne moieties within an alkynylcarbene dimanganese complex

被引:15
作者
Ortin, Y [1 ]
Coppel, Y [1 ]
Lugan, N [1 ]
Mathieu, R [1 ]
McGlinchey, MJ [1 ]
机构
[1] CNRS, Chim Coordinat Lab, F-31077 Toulouse 4, France
关键词
D O I
10.1039/b104712b
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The coordination of an additional [CP(CO)(2)Mn] fragment to the alkyne linkage of an alkynylcarbene complex of the type CP(CO)(2)Mn-C(R')C=CR" yields a highly fluxional molecule, in which the [eta (1)-carbene] and [eta (2)-alkyne] moieties are seen to exchange rapidly on the NMR time scale.
引用
收藏
页码:1690 / 1691
页数:2
相关论文
共 14 条
[1]   Dimerization of rhenium alkynyl carbene complexes by a process involving two [1,1.5] rhenium shifts and coupling of the remote alkynyl carbons [J].
Casey, CP ;
Kraft, S ;
Powell, DR .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2000, 122 (15) :3771-3772
[2]   SYNTHESIS AND CRYSTAL-STRUCTURE OF [[MN(ETA-C5H4ME)(CO)2]2[MU-(2-3-ETA-4-5-ETA)-MEC=CC=CME]], A MANGANESE-CONJUGATED DIACETYLENE COMPLEX [J].
CASH, GG ;
PETTERSEN, RC .
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1979, (10) :1630-1633
[3]   Addition of carbon nucleophiles to the allenylidene ligand of [Ru(η5-C5H5)(C=C=CPh2)(CO)(PiPr3)]BF4:: Synthesis of new organic ligands by formal C-C coupling between mutually inert fragments [J].
Esteruelas, MA ;
Gomez, AV ;
Lopez, AM ;
Modrego, J ;
Onate, E .
ORGANOMETALLICS, 1997, 16 (26) :5826-5835
[4]   COMPLEX CHEMISTRY OF REACTIVE ORGANIC-COMPOUNDS .46. CONFORMATION OF METAL CARBENE COMPLEXES - SYNTHESIS AND STRUCTURE OF (ETA-5-C5H5)CR(CO)(NO)[C(C6H5)2] AND ITS RELATIONSHIP TO THE ISOELECTRONIC COMPOUND (ETA-5-C5H5)MN(CO)2[C(C6H5)2] [J].
HERRMANN, WA ;
HUBBARD, JL ;
BERNAL, I ;
KORP, JD ;
HAYMORE, BL ;
HILLHOUSE, GL .
INORGANIC CHEMISTRY, 1984, 23 (19) :2978-2983
[5]  
KOSTIC NM, 1982, J AM CHEM SOC, V104, P3979
[6]   REACTIONS OF PROPIOLIC ALDEHYDE ACETALS WITH DICARBONYLCYCLOPENTADIENYLMANGANESE FRAGMENTS [J].
LOWE, C ;
HUND, HU ;
BERKE, H .
JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1989, 378 (02) :211-225
[7]   Photodissociation dynamics of propyne and allene:: A view from ab initio calculations of the C3Hn (n=1-4) species and the isomerization mechanism for C3H2 [J].
Mebel, AM ;
Jackson, WM ;
Chang, AHH ;
Lin, SH .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1998, 120 (23) :5751-5763
[8]   CARBENE-CARBENE INTERCONVERSION BETWEEN 1-PHENYL-2-PROPYNYLIDENE AND 3-PHENYL-2-PROPYNYLIDENE [J].
NORO, M ;
MASUDA, T ;
ICHIMURA, AS ;
KOGA, N ;
IWAMURA, H .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1994, 116 (14) :6179-6190
[9]   REARRANGEMENT OF ALKYNYL AND VINYL CARBENOIDS VIA THE RHODIUM(II)-CATALYZED CYCLIZATION REACTION OF ALPHA-DIAZOKETONES [J].
PADWA, A ;
AUSTIN, DJ ;
GAREAU, Y ;
KASSIR, JM ;
XU, SL .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1993, 115 (07) :2637-2647
[10]   Synthesis and reactivity of μ-bis(carbene)dimanganese complexes.: X-ray structures of {Cp′(CO)2Mn}2{μ-=C(OEt)CH2CH2(EtO)C=}, (E)-{Cp′(CO)2Mn}2{μ-=C(OEt)CH=CH(EtO)C=} and {Cp′(CO)2Mn}2{μ-=CN(Ph)CH(Ph)CHCHCH(Ph)N(Ph)C=} [J].
Rabier, A ;
Lugan, N ;
Mathieu, R .
JOURNAL OF ORGANOMETALLIC CHEMISTRY, 2001, 617 (01) :681-695