Matches in SemOpenAlex for { <https://semopenalex.org/work/W1983229738> ?p ?o ?g. }
- W1983229738 endingPage "5096" @default.
- W1983229738 startingPage "5091" @default.
- W1983229738 abstract "Cyclopentadienyl complexes of general formula [RuX(η5-ligand)(PR3)2] have been found to catalyze the stereoselective decomposition of ethyl diazoacetate (EDA) to form diethyl maleate (DEM) in 95−99% purity with less than 1 mol % of catalyst, at temperatures depending on the bulkiness of the phosphine and the η5-ligand as well as the nature of the anionic ligand X. A detailed study of the reaction between [RuCl(η5-C5H5)(PPh3)2] and EDA suggests that dissociation of one PPh3 is a key step of the catalytic process, which proceeds via the intermediate [RuCl(η5-C5H5)(CHCO2Et)(PPh3)]. Although this electrophilic carbene was not detected in the reaction mixture, it was independently prepared in solution at low temperature starting from [Ru(η2-O2CMe)(η5-C5H5)(PPh3). The acetate reacts with EDA at −40 °C to form the cyclic ester which on treatment with Me2SiCl2 gives the metal carbene postulated in the catalytic cycle. The stoichiometric reaction of the latter compound with EDA selectively affords the olefin derivative [RuCl(η5-C5H5)(η2-DEM)(PPh3)], which was also detected in the catalytic cycle. The new complexes [RuCl(η5-C5H5)(PR3)2] (PR3 = PPh2(2-MeC6H4), PPh2Cy, P(3-MeC6H4)3), bearing phosphines bulkier than PPh3, have been prepared in high yield starting from ruthenium trichloride hydrate, cyclopentadiene, and phosphine in refluxing ethanol." @default.
- W1983229738 created "2016-06-24" @default.
- W1983229738 creator A5061507837 @default.
- W1983229738 creator A5066002043 @default.
- W1983229738 creator A5081450636 @default.
- W1983229738 date "1999-11-01" @default.
- W1983229738 modified "2023-10-17" @default.
- W1983229738 title "Half-Sandwich Ruthenium(II) Complexes as Catalysts for Stereoselective Carbene−Carbene Coupling Reactions" @default.
- W1983229738 cites W1213400927 @default.
- W1983229738 cites W1529457254 @default.
- W1983229738 cites W1964615794 @default.
- W1983229738 cites W1965470962 @default.
- W1983229738 cites W1972473267 @default.
- W1983229738 cites W1981287002 @default.
- W1983229738 cites W1985721259 @default.
- W1983229738 cites W1996452574 @default.
- W1983229738 cites W2000351446 @default.
- W1983229738 cites W2001810573 @default.
- W1983229738 cites W2004610804 @default.
- W1983229738 cites W2011814830 @default.
- W1983229738 cites W2011816657 @default.
- W1983229738 cites W2016971394 @default.
- W1983229738 cites W2019243247 @default.
- W1983229738 cites W2023549534 @default.
- W1983229738 cites W2023695570 @default.
- W1983229738 cites W2025187831 @default.
- W1983229738 cites W2027159346 @default.
- W1983229738 cites W2027807219 @default.
- W1983229738 cites W2029063094 @default.
- W1983229738 cites W2033608769 @default.
- W1983229738 cites W2034454619 @default.
- W1983229738 cites W2034554844 @default.
- W1983229738 cites W2049178532 @default.
- W1983229738 cites W2052411367 @default.
- W1983229738 cites W2053924741 @default.
- W1983229738 cites W2054764821 @default.
- W1983229738 cites W2062656105 @default.
- W1983229738 cites W2063473346 @default.
- W1983229738 cites W2070323781 @default.
- W1983229738 cites W2071244730 @default.
- W1983229738 cites W2077674181 @default.
- W1983229738 cites W2081692604 @default.
- W1983229738 cites W2082196127 @default.
- W1983229738 cites W2082881958 @default.
- W1983229738 cites W2082952942 @default.
- W1983229738 cites W2086696304 @default.
- W1983229738 cites W2089964959 @default.
- W1983229738 cites W2091702998 @default.
- W1983229738 cites W2113211474 @default.
- W1983229738 cites W2299602266 @default.
- W1983229738 cites W2326245324 @default.
- W1983229738 cites W2329003588 @default.
- W1983229738 cites W2475425838 @default.
- W1983229738 cites W2490628872 @default.
- W1983229738 cites W2505854264 @default.
- W1983229738 cites W2950020066 @default.
- W1983229738 cites W2953354684 @default.
- W1983229738 cites W4205150008 @default.
- W1983229738 doi "https://doi.org/10.1021/om990582x" @default.
- W1983229738 hasPublicationYear "1999" @default.
- W1983229738 type Work @default.
- W1983229738 sameAs 1983229738 @default.
- W1983229738 citedByCount "62" @default.
- W1983229738 countsByYear W19832297382012 @default.
- W1983229738 countsByYear W19832297382013 @default.
- W1983229738 countsByYear W19832297382014 @default.
- W1983229738 countsByYear W19832297382015 @default.
- W1983229738 countsByYear W19832297382016 @default.
- W1983229738 countsByYear W19832297382017 @default.
- W1983229738 countsByYear W19832297382018 @default.
- W1983229738 countsByYear W19832297382019 @default.
- W1983229738 countsByYear W19832297382022 @default.
- W1983229738 crossrefType "journal-article" @default.
- W1983229738 hasAuthorship W1983229738A5061507837 @default.
- W1983229738 hasAuthorship W1983229738A5066002043 @default.
- W1983229738 hasAuthorship W1983229738A5081450636 @default.
- W1983229738 hasConcept C116569031 @default.
- W1983229738 hasConcept C155647269 @default.
- W1983229738 hasConcept C161790260 @default.
- W1983229738 hasConcept C170493617 @default.
- W1983229738 hasConcept C178790620 @default.
- W1983229738 hasConcept C181458950 @default.
- W1983229738 hasConcept C181647583 @default.
- W1983229738 hasConcept C185592680 @default.
- W1983229738 hasConcept C2776602925 @default.
- W1983229738 hasConcept C2777052750 @default.
- W1983229738 hasConcept C2777164566 @default.
- W1983229738 hasConcept C2777716191 @default.
- W1983229738 hasConcept C2778176622 @default.
- W1983229738 hasConcept C2778815869 @default.
- W1983229738 hasConcept C55493867 @default.
- W1983229738 hasConcept C555196967 @default.
- W1983229738 hasConcept C63338738 @default.
- W1983229738 hasConceptScore W1983229738C116569031 @default.
- W1983229738 hasConceptScore W1983229738C155647269 @default.
- W1983229738 hasConceptScore W1983229738C161790260 @default.
- W1983229738 hasConceptScore W1983229738C170493617 @default.
- W1983229738 hasConceptScore W1983229738C178790620 @default.