Synthesis and reactivity of the osmium methylidene complex [(C5Me5)Os(=CH2)(dppm)][OTf]

被引:28
作者
Brumaghim, JL [1 ]
Girolami, GS [1 ]
机构
[1] Univ Illinois, Sch Chem Sci, Urbana, IL 61801 USA
关键词
D O I
10.1039/a901644i
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Treatment of the hydride complex (C5Me5)Os(dppm)H, [dppm = bis(diphenylphosphino)methane] with 2 equivalents of methyl trifluoromethanesulfonate (MeOTf) affords the methylidene complex [(C5Me5)Os(=CH2)(dppm)][OTf]; the molecular structure and dynamic NMR behavior of this methylidene complex are described.
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页码:953 / 954
页数:2
相关论文
共 21 条
[1]   SYNTHESIS AND REACTIONS OF RU(=CH2)CL(NO)(PPH3)2, A STABLE TERMINAL METHYLENE COMPLEX AND THE CRYSTAL-STRUCTURE OF RU(CH2PPH3) (ETA-2-C2F4)CL(NO)(PPH3) [J].
BURRELL, AK ;
CLARK, GR ;
RICKARD, CEF ;
ROPER, WR ;
WRIGHT, AH .
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1991, :609-614
[2]   INTRAMOLECULAR ACTIVATION OF ALIPHATIC CARBON HYDROGEN-BONDS AT TANTALUM(V) METAL CENTERS - A COMPARISON OF ACTIVATION BY METHYL AND METHYLIDENE FUNCTIONAL-GROUPS [J].
CHAMBERLAIN, LR ;
ROTHWELL, IP ;
HUFFMAN, JC .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1986, 108 (07) :1502-1509
[3]  
DRAGUTAN V, 1985, OLEFIN METATHESIS RI
[4]  
FEAST WJ, 1989, CHEM METAL CARBON BO, V5
[5]   SYNTHESIS AND REACTIVITY OF THE COORDINATIVELY UNSATURATED METHYLENE COMPLEX IR=CH2[N(SIME2CH2PPH2)2] [J].
FRYZUK, MD ;
GAO, XL ;
JOSHI, K ;
MACNEIL, PA ;
MASSEY, RL .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1993, 115 (23) :10581-10590
[6]   Metal-alkane complexes.: Rapid exchange of hydrogen atoms between hydride and methyl ligands in [(C5Me5)Os(dmpm)(CH3)H+] [J].
Gross, CL ;
Girolami, GS .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1998, 120 (26) :6605-6606
[7]   Synthesis and characterization of osmium(II) compounds of stoichiometry (C(5)Me(5))OsL(2)Br, (C(5)Me(5))OsL(2)H, and (C(5)Me(5))Os(NO)Br-2 [J].
Gross, CL ;
Girolami, GS .
ORGANOMETALLICS, 1996, 15 (25) :5359-5367
[8]   POLYMER SYNTHESIS AND ORGANOTRANSITION METAL CHEMISTRY [J].
GRUBBS, RH ;
TUMAS, W .
SCIENCE, 1989, 243 (4893) :907-915
[9]   Electrophilic tungsten(II) methylene carbene complexes: Adduct formation, methylene transfer, and catalysis of aziridine formation from imines and ethyl diazoacetate [J].
Gunnoe, TB ;
White, PS ;
Templeton, JL ;
Casarrubios, L .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (13) :3171-3172
[10]   Synthesis and reactivity of the cationic methylene complex [Cp2Re=CH2]+ [J].
Heinekey, DM ;
Radzewich, CE .
ORGANOMETALLICS, 1998, 17 (01) :51-58