About: Half sandwich compound

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Half sandwich compounds, also known as piano stool complexes, are organometallic complexes that feature a cyclic polyhapto ligand bound to an MLn center, where L is a unidentate ligand. Thousands of such complexes are known. Well-known examples include cyclobutadieneiron tricarbonyl and (C5H5)TiCl3. Commercially useful examples include (C5H5)Co(CO)2, which is used in the synthesis of substituted pyridines, and methylcyclopentadienyl manganese tricarbonyl, an antiknock agent in petrol. * MMT is a commercially useful antiknock compound. * CpCo(CO)2 is a catalyst for the synthesis of pyridines. *

Attributes	Values
rdf:type	yago:WikicatCarbonylComplexes yago:WikicatOrganicCompounds yago:Abstraction100002137 yago:Chemical114806838 yago:Cognition100023271 yago:Complex105870365 yago:Compound105870180 yago:Compound114818238 yago:Concept105835747 yago:Content105809192 yago:Idea105833840 yago:Material114580897 yago:Matter100020827 yago:OrganicCompound114727670 yago:Part113809207 yago:PhysicalEntity100001930 yago:PsychologicalFeature100023100 yago:Relation100031921 yago:WikicatHalfSandwichCompounds building yago:Substance100019613 yago:Whole105869584
rdfs:label	Polosendvičové sloučeniny (cs) Halbsandwichkomplexe (de) Senyawa apit setengah (in) Half sandwich compound (en) Complexe en tabouret de piano (fr)
rdfs:comment	Un complexe en tabouret de piano, également dit demi-sandwich, est un complexe organométallique présentant un ligand organique cyclique lié par hapticité à un centre métallique MLn, où L est un ligand monodentate et n un entier naturel non nul. (fr) Senyawa apit setengah adalah kompleks organologam yang memiliki sebuah siklik yang terikat pada sebuah pusat MLn, dimana L adalah ligan tak dikenal. Ribuan kompleks seperti itu telah diketahui. Contoh-contoh terkenal meliputi dan (C5H5)TiCl3. Contoh-contoh yang berguna secara komersial meliputi , yang digunakan dalam sintesis piridin tersubstitusi, dan , sebuah agen antiketuk dalam bensin. (in) Polosendvičové sloučeniny jsou organokovové komplexy, které obsahují cyklické polyhapto-ligandy navázané na MLn centra (kde L je monodentátní ligand). Jako příklady lze uvést trikarbonyl (cyklobutadien)železa a (C5H5)TiCl3; ke komerčně úspěšným sloučeninám patří , (C5H5)Co(CO)2, používaný při syntézách substituovaných pyridinů, a , aditivum do benzínu sloužící k omezování . * MMT, sloučenina používaná k omezování detonačního spalování * CpCo(CO)2 slouží jako katalyzátor při syntéze pyridinů. * (C4H4)Fe(CO)3 * , příklad asymetrického polosendvičového komplexu * * * (cs) Als Halbsandwichkomplexe versteht man im weiteren Sinn jene metallorganischen Verbindungen mit einem cyclischen Polyhapto-Liganden. Oftmals sind es Cyclopentadienyl-Systeme, die über π-Bindungen an ein zentrales Metallatom gebunden sind. Die Absättigung freier (Elektronen-)Valenzen erfolgt oft über Carbonylgruppen (z. B. Tricarbonyl(η5-cyclopentadienyl)mangan), Nitrosogruppen oder andere Heteroatome (z. B. Iod). Aufgrund ihrer Form werden diese Verbindungen auch als Klavierstuhl-Komplexe bezeichnet. * Tricarbonyl(η5-cyclopentadienyl)mangan * Tricarbonyl(η5-methylcyclopentadienyl)mangan * (de) Half sandwich compounds, also known as piano stool complexes, are organometallic complexes that feature a cyclic polyhapto ligand bound to an MLn center, where L is a unidentate ligand. Thousands of such complexes are known. Well-known examples include cyclobutadieneiron tricarbonyl and (C5H5)TiCl3. Commercially useful examples include (C5H5)Co(CO)2, which is used in the synthesis of substituted pyridines, and methylcyclopentadienyl manganese tricarbonyl, an antiknock agent in petrol. * MMT is a commercially useful antiknock compound. * CpCo(CO)2 is a catalyst for the synthesis of pyridines. * (en)
foaf:depiction
dcterms:subject	Coordination chemistry Half sandwich compounds Organic compounds Organometallic chemistry
Wikipage page ID	37033212 (xsd:integer)
Wikipage revision ID	1072182608 (xsd:integer)
Link from a Wikipage to another Wikipage	Catalyst dbr:Pyridine Metal carbonyl dbr:Benzene Alkene Coordination chemistry Antiknock agent Hydrogen Petrol Carbonyl Double bond (Benzene)chromium tricarbonyl (Benzene)ruthenium dichloride dimer (cymene)ruthenium dichloride dimer 1,3-Cyclohexadiene Half sandwich compounds Ruthenium(III) chloride 18-Electron rule Organoruthenium chemistry Ligand Ligands Organic compounds Organometallic chemistry Trimethylsilyl chloride Tris(acetonitrile)cyclopentadienylruthenium hexafluorophosphate Cyclobutadieneiron tricarbonyl Cycloheptatrienemolybdenum tricarbonyl Cyclopentadienylcobalt dicarbonyl Cyclopentadienyliron dicarbonyl iodide Cyclopentadienylvanadium tetracarbonyl Cymene Ernst Otto Fischer Carbon nanotube Carbonylation Diene Graphene Hapticity Redox Iodine Hydrogenation Arene substitution patterns Aromatic hydrocarbon Bulky cyclopentadienyl ligands Methylcyclopentadienyl manganese tricarbonyl Organometallic chemistry Sandwich compound N-butyllithium Porosity

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