• A transition metal carbene complex is an organometallic compound featuring a divalent carbon ligand, itself also called a carbene. Carbene complexes have...
    20 KB (1,995 words) - 05:52, 13 August 2024
  • dichlorocarbene. Transition metal carbene complexes Atomic carbon a single carbon atom with the chemical formula :C:, in effect a twofold carbene. Also has been...
    22 KB (2,401 words) - 05:50, 13 August 2024
  • carbyne complexes react with electrophiles at C-carbyne followed by association of the anion. The net reaction gives a transition metal carbene complex: LnM≡CR...
    10 KB (1,107 words) - 02:15, 19 June 2024
  • Thumbnail for Transition metal NHC complex
    In coordination chemistry, a transition metal NHC complex is a metal complex containing one or more N-heterocyclic carbene ligands. Such compounds are...
    5 KB (532 words) - 07:53, 4 January 2022
  • carbene is a type of transition metal carbene complex, which is an organometallic compound containing a divalent organic ligand. In a Fischer carbene...
    12 KB (1,438 words) - 05:42, 13 August 2024
  • Thumbnail for Persistent carbene
      No carbene complex with element known Carbenes can be stabilised as organometallic species. These transition metal carbene complexes fall into two...
    62 KB (6,933 words) - 11:59, 13 August 2024
  • Thumbnail for Metal carbonyl
    Metal carbonyls are coordination complexes of transition metals with carbon monoxide ligands. Metal carbonyls are useful in organic synthesis and as catalysts...
    70 KB (7,931 words) - 06:04, 29 May 2024
  • Thumbnail for Transition metal imidazole complex
    A transition metal imidazole complex is a coordination complex that has one or more imidazole ligands. Complexes of imidazole itself are of little practical...
    9 KB (1,029 words) - 04:21, 16 September 2024
  • effective In this reaction type the active intermediate is a transition metal carbene complex. A diazo cross-coupling reaction has also been reported between...
    3 KB (362 words) - 20:09, 2 February 2024
  • Thumbnail for Transition metal pincer complex
    In chemistry, a transition metal pincer complex is a type of coordination complex with a pincer ligand. Pincer ligands are chelating agents that binds...
    15 KB (1,768 words) - 23:49, 20 December 2023
  • Thumbnail for Carbene radical
    carbene formation at an open-shell transition metal complex (in particular low-spin cobalt(II) complexes) using diazo compounds and related carbene precursors...
    10 KB (983 words) - 22:19, 19 June 2023
  • Thumbnail for Metal–ligand multiple bond
    scholarly and practical interest. transition metal carbene complexes catalyze the olefin metathesis reaction. Metal oxo intermediates are pervasive in...
    7 KB (1,027 words) - 18:43, 11 October 2024
  • Thumbnail for Transition metal imido complex
    In coordination chemistry and organometallic chemistry, transition metal imido complexes is a coordination compound containing an imido ligand. Imido ligands...
    6 KB (514 words) - 16:47, 30 September 2023
  • Thumbnail for Aldol condensation
    hrs. 80% chemical yield. The first step is formation of the Transition metal carbene complex 2. Acetic acid adds to this intermediate in a nucleophilic...
    18 KB (1,816 words) - 22:52, 15 October 2024
  • diazo compound on the metal center generates a zwitterionic metal alkyl complex, which expels nitrogen gas to afford a metal carbene intermediate. Concerted...
    11 KB (1,251 words) - 02:35, 22 October 2024
  • Coinage metal N-heterocyclic carbene (NHC) complexes refer to transition metal complexes incorporating at least one coinage metal center (M = Cu, Ag,...
    24 KB (2,695 words) - 02:20, 25 January 2024
  • Thumbnail for Transition metal isocyanide complexes
    Transition metal isocyanide complexes are coordination compounds containing isocyanide ligands. Because isocyanides are relatively basic, but also good...
    19 KB (1,823 words) - 13:48, 15 July 2024
  • Thumbnail for Germanium(II) dicationic complexes
    shield the germanium center. Dicationic complexes of Ge(II) have been isolated with bulky isocyanide and carbene ligands. Much more weakly coordinated Germanium...
    19 KB (2,255 words) - 11:21, 17 December 2023
  • are the defining characteristic of transition metal carbene complexes, where they are typically referred to as carbene ligands. In this context, "alkylidene"...
    6 KB (773 words) - 17:19, 22 August 2024
  • Metal acetylacetonates are coordination complexes derived from the acetylacetonate anion (CH 3COCHCOCH− 3) and metal ions, usually transition metals. The...
    25 KB (2,762 words) - 21:04, 12 August 2024
  • Numerous mesoionic carbene transition metal complexes are known with metals including Fe, Os, Rh, Ir, Ni, Pd, Pt, Cu, and Ag. Metal complexes with Sm and Y...
    16 KB (2,062 words) - 07:46, 10 October 2022
  • Thumbnail for N-Heterocyclic carbene boryl anion
    An N-heterocyclic carbene boryl anion is an isoelectronic structure of an N-heterocyclic carbene (NHC), where the carbene carbon is replaced with a boron...
    22 KB (2,511 words) - 05:04, 18 June 2024
  • Thumbnail for Palladium–NHC complex
    palladium-NHC complexes are a family of organopalladium compounds in which palladium forms a coordination complex with N-heterocyclic carbenes (NHCs). They...
    9 KB (915 words) - 09:34, 26 September 2024
  • Thumbnail for Carbide
    removes metal molecules to form a highly porous, near-pure carbon material capable of high-density energy storage. transition metal carbene complexes. two-dimensional...
    14 KB (1,567 words) - 19:52, 22 October 2024
  • Grubbs catalyst (category Phosphine complexes)
    Grubbs catalysts are a series of transition metal carbene complexes used as catalysts for olefin metathesis. They are named after Robert H. Grubbs, the...
    21 KB (1,737 words) - 16:22, 22 October 2024
  • Thumbnail for Cyclic alkyl amino carbenes
    (2005-09-05). "Stable Cyclic (Alkyl)(Amino)Carbenes as Rigid or Flexible, Bulky, Electron-Rich Ligands for Transition-Metal Catalysts: A Quaternary Carbon Atom...
    13 KB (1,379 words) - 05:49, 13 August 2024
  • Thumbnail for Carbones
    allows them to function as ligands in a variety of main group and transition metal complexes.  Carbone-coordinated elements also exhibit a variety of different...
    28 KB (2,814 words) - 11:17, 26 December 2023
  • Tung-Ying; Lee, Gene-Hsiang; Peng, Shie-Ming (1998-03-01). "Carbene Transfer between Transition-Metal Ions". Organometallics. 17 (6): 993–995. doi:10.1021/om9709897...
    19 KB (1,966 words) - 23:40, 11 November 2023
  • two alkenes. It is a catalytic reaction with carbene, or more accurately, transition metal carbene complex intermediates. In this example (ethenolysis...
    5 KB (595 words) - 05:47, 11 September 2024
  • Thumbnail for Phosphinidene
    figure below. Terminal transition-metal-complexed phosphinidenes LnM=P-R are phosphorus analogs of transition metal carbene complexes where L is a spectator...
    20 KB (2,005 words) - 17:42, 13 November 2023