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Coordinatively unsaturated 16-electron ruthenium allenylidene complexes : synthetic, structural, and catalytic studies

(1999) ORGANOMETALLICS. 18(24). p.5187-5190
Author
Organization
Abstract
The one-pot reactions of [(p-cymene)RuCl2](2) (1) or (PPh3)(4)RuCl2 (2) with 2 equiv of PCy3 and 3,3-diphenylpropyn-3-ol afford the novel 16-electron ruthenium allenylidene complex (PCy3)(2)Cl2Ru(=C=C=CPh2) (3) in high yields. Substitution of one PCy3 ligand in 3 for one nucleophilic carbene ligand, IMes [1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene], affords the novel complex (PCy3)(IMes)Cl2Ru(=C=C=CPh2) (4). Single-crystal X-ray structure analyses of complexes 3 and 4 were performed. Thermal stability of complexes 3 and 4 was investigated, and their catalytic activity promoting ring-closing metathesis (RCM) of various substrates was tested.
Keywords
OPENING METATHESIS POLYMERIZATION, RAY CRYSTAL-STRUCTURE, STRAIN CYCLIC OLEFINS, CARBENES, RUCL2(=CHR')(PR(3))(2), DERIVATIVES, NORBORNENE, REACTIVITY, PHOSPHINE, 1-ALKYNES

Citation

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MLA
Schanz, HJ, et al. “Coordinatively Unsaturated 16-Electron Ruthenium Allenylidene Complexes : Synthetic, Structural, and Catalytic Studies.” ORGANOMETALLICS, vol. 18, no. 24, 1999, pp. 5187–90.
APA
Schanz, H., Jafarpour, L., Stevens, E., & Nolan, S. (1999). Coordinatively unsaturated 16-electron ruthenium allenylidene complexes : synthetic, structural, and catalytic studies. ORGANOMETALLICS, 18(24), 5187–5190.
Chicago author-date
Schanz, HJ, L Jafarpour, ED Stevens, and Steven Nolan. 1999. “Coordinatively Unsaturated 16-Electron Ruthenium Allenylidene Complexes : Synthetic, Structural, and Catalytic Studies.” ORGANOMETALLICS 18 (24): 5187–90.
Chicago author-date (all authors)
Schanz, HJ, L Jafarpour, ED Stevens, and Steven Nolan. 1999. “Coordinatively Unsaturated 16-Electron Ruthenium Allenylidene Complexes : Synthetic, Structural, and Catalytic Studies.” ORGANOMETALLICS 18 (24): 5187–5190.
Vancouver
1.
Schanz H, Jafarpour L, Stevens E, Nolan S. Coordinatively unsaturated 16-electron ruthenium allenylidene complexes : synthetic, structural, and catalytic studies. ORGANOMETALLICS. 1999;18(24):5187–90.
IEEE
[1]
H. Schanz, L. Jafarpour, E. Stevens, and S. Nolan, “Coordinatively unsaturated 16-electron ruthenium allenylidene complexes : synthetic, structural, and catalytic studies,” ORGANOMETALLICS, vol. 18, no. 24, pp. 5187–5190, 1999.
@article{8170881,
  abstract     = {The one-pot reactions of [(p-cymene)RuCl2](2) (1) or (PPh3)(4)RuCl2 (2) with 2 equiv of PCy3 and 3,3-diphenylpropyn-3-ol afford the novel 16-electron ruthenium allenylidene complex (PCy3)(2)Cl2Ru(=C=C=CPh2) (3) in high yields. Substitution of one PCy3 ligand in 3 for one nucleophilic carbene ligand, IMes [1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene], affords the novel complex (PCy3)(IMes)Cl2Ru(=C=C=CPh2) (4). Single-crystal X-ray structure analyses of complexes 3 and 4 were performed. Thermal stability of complexes 3 and 4 was investigated, and their catalytic activity promoting ring-closing metathesis (RCM) of various substrates was tested.},
  author       = {Schanz, HJ and Jafarpour, L and Stevens, ED and Nolan, Steven},
  issn         = {0276-7333},
  journal      = {ORGANOMETALLICS},
  keywords     = {OPENING METATHESIS POLYMERIZATION,RAY CRYSTAL-STRUCTURE,STRAIN CYCLIC OLEFINS,CARBENES,RUCL2(=CHR')(PR(3))(2),DERIVATIVES,NORBORNENE,REACTIVITY,PHOSPHINE,1-ALKYNES},
  language     = {eng},
  number       = {24},
  pages        = {5187--5190},
  title        = {Coordinatively unsaturated 16-electron ruthenium allenylidene complexes : synthetic, structural, and catalytic studies},
  url          = {http://dx.doi.org/10.1021/om9906316},
  volume       = {18},
  year         = {1999},
}

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