• Ring-closing metathesis (RCM) is a widely used variation of olefin metathesis in organic chemistry for the synthesis of various unsaturated rings via...
    37 KB (4,704 words) - 15:26, 22 November 2024
  • Thumbnail for Olefin metathesis
    classes of olefin metathesis include: Cross metathesis (CM) Ring-opening metathesis (ROM) Ring-closing metathesis (RCM) Ring-opening metathesis polymerization...
    39 KB (4,096 words) - 05:27, 16 January 2024
  • 2022-11-17 "Ring Closing Metathesis - an overview | ScienceDirect Topics". www.sciencedirect.com. Retrieved 2022-11-17. "Olefin Metathesis". Chemistry...
    12 KB (1,178 words) - 19:35, 16 November 2024
  • catalyzes one enantiomer to perform ring closing metathesis, resulting in an enantiopure alcohol, and an enantiopure closed ring, as shown below. The catalyst...
    57 KB (6,914 words) - 13:54, 30 July 2024
  • Paal–Knorr synthesis Pictet–Spengler reaction Pomeranz–Fritsch reaction Ring-closing metathesis Robinson annulation Skraup reaction IUPAC, Compendium of Chemical...
    2 KB (262 words) - 09:29, 18 November 2024
  • J. P.; Grubbs, R. H. (1999). "Increased Ring Closing Metathesis Activity of Ruthenium-Based Olefin Metathesis Catalysts Coordinated with Imidazolin-2-ylidene...
    21 KB (1,737 words) - 16:22, 22 October 2024
  • Thumbnail for Cyclic compound
    cyclizations; ring-closing metathesis reactions, which also can be used to accomplish a specific type of polymerization; the Ruzicka large ring synthesis...
    28 KB (3,302 words) - 14:18, 13 November 2024
  • Thumbnail for Alkyne metathesis
    equilibrium to products. Alkyne metathesis can be used in ring-closing operations and RCAM stands for ring closing alkyne metathesis. The olfactory molecule civetone...
    13 KB (1,309 words) - 02:51, 30 November 2023
  • Thumbnail for Muscone
    commercially available (+)-citronellal, and forms the 15-membered ring via ring-closing metathesis: A more recent enantioselective synthesis involves an intramolecular...
    5 KB (444 words) - 18:59, 23 January 2024
  • Thumbnail for Diene
    complex architectures: Nonconjugated dienes are substrates for ring-closing metathesis reactions. These reactions require a metal catalyst:c The position...
    8 KB (798 words) - 20:05, 28 February 2024
  • Thumbnail for Macrocycle
    of (−)-muscone from (+)-citronellal. The 15-membered ring is generated by ring-closing metathesis. In stereochemistry, macrocyclic stereocontrol refers...
    27 KB (3,288 words) - 22:37, 24 August 2024
  • Thumbnail for Tetrakis(hydroxymethyl)phosphonium chloride
    also be used to synthesize the heterocycle, N-boc-3-pyrroline by ring-closing metathesis using Grubbs' catalyst (bis(tricyclohexylphosphine)benzylidineruthenium...
    7 KB (711 words) - 18:22, 30 July 2024
  • methine (=CH-) bridges N-substituted pyrrolines can be generated by ring-closing metathesis. Pyrrole, the aromatic analog with two double bonds Pyrrolidine...
    2 KB (180 words) - 18:11, 27 August 2023
  • Thumbnail for Stapled peptide
    applications. Staples synthesized using ring-closing metathesis (RCM) are common. This variation of olefin metathesis and its application to stapled peptides...
    16 KB (1,723 words) - 22:51, 15 April 2024
  • Thumbnail for Tetrahydropyridine
    silyl ketene acetal intermediate. Ring-closing olefin metathesis has also been used to establish the tetrahydropyridine ring system. Balasubramanian, Marudai...
    4 KB (240 words) - 20:47, 12 April 2024
  • Thumbnail for Enyne metathesis
    olefin metathesis. The general scheme is given by scheme 1: When the reaction is intramolecular (in an enyne) it is called ring-closing enyne metathesis or...
    4 KB (448 words) - 02:38, 29 January 2023
  • reduce the bandwidth of sparse symmetric matrices Ring-closing metathesis, a variation on olefin metathesis Rotor current meter, a mechanical current meter...
    2 KB (259 words) - 06:46, 3 October 2023
  • Riemschneider thiocarbamate synthesis Riley oxidations Ring closing metathesis Ring opening metathesis Ritter reaction Robinson annulation Robinson–Gabriel...
    37 KB (3,428 words) - 16:27, 11 November 2024
  • Thumbnail for Peptidomimetic
    uses non-natural amino acids to facilitate macrocyclization by ring-closing olefin metathesis. In this case, a stapled BH3 helix was identified which specifically...
    12 KB (1,365 words) - 13:34, 2 July 2024
  • Thumbnail for 1,2-Dihydro-1,2-azaborine
    1,2-Dihydro-1,2-azaborine (category Simple aromatic rings)
    and reported in January 2009. One of the synthetic steps is a ring-closing metathesis (RCM) reaction: Stu Borman. "Long-Sought Benzenelike Molecule Created:...
    3 KB (179 words) - 00:40, 12 May 2024
  • ripostatin A features two concurrent Stille couplings followed by a ring-closing metathesis. The synthesis of lucilactaene features a middle subunit, having...
    47 KB (5,491 words) - 13:23, 22 February 2024
  • Thumbnail for Robert H. Grubbs
    olefin metathesis. He studied olefin transformations for ring-closing metathesis (RCM), cross-metathesis reaction (CMR), and ring-opening metathesis polymerization...
    32 KB (2,657 words) - 09:00, 13 September 2024
  • Van Leusen reaction (category Ring forming reactions)
    "Synthesis of Fused Bicyclic Imidazoles by Sequential Van Leusen/Ring-Closing Metathesis Reactions". Org. Lett. 7 (15). American Chemical Society: 3183–3186...
    4 KB (267 words) - 22:21, 27 September 2024
  • Thumbnail for Thorpe–Ingold effect
    Langemann, K. (1996). "A Concise Total Synthesis of Dactylol via Ring Closing Metathesis" (PDF). J. Org. Chem. 61 (25): 8746–8749. doi:10.1021/jo961600c...
    5 KB (576 words) - 09:27, 5 January 2023
  • Thumbnail for Fumagillin
    Boiteau JG, Van de Weghe P, Eustache J (August 2001). "A new, ring closing metathesis-based synthesis of (-)-fumagillol". Organic Letters. 3 (17): 2737–2740...
    12 KB (1,029 words) - 02:34, 29 September 2024
  • Thumbnail for Tetrapropylammonium perruthenate
    of Zr-catalyzed carbomagnesation and Mo-catalyzed macrocyclic ring closing metathesis in asymmetric synthesis. Enantioselective total synthesis of Sch...
    6 KB (448 words) - 15:35, 11 April 2024
  • from divinyl ketones, Saegusa–Ito oxidation from cyclopentanones, ring-closing metathesis from the corresponding dienes, oxidation of the corresponding cyclic...
    6 KB (534 words) - 17:43, 11 September 2024
  • Carbonyl olefin metathesis is a type of metathesis reaction that entails, formally, the redistribution of fragments of an alkene and a carbonyl by the...
    9 KB (1,037 words) - 06:33, 20 February 2023
  • California Institute of Technology. At Caltech, Coates worked on ring-closing metathesis reactions to functionalize polyolefins, and supramolecular phenyl-perfluorophenyl...
    12 KB (895 words) - 14:23, 28 August 2024
  • reaction to couple an aliphatic aldehyde with a cyclic enone. After ring-closing metathesis and alkene reduction, the 1,4-dicarbonyl product was converted...
    19 KB (2,357 words) - 19:34, 9 March 2023