Schwartz's reagent is the common name for the organozirconium compound with the formula (C5H5)2ZrHCl, sometimes called zirconocene hydrochloride or zirconocene...
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Zirconocene dichloride (redirect from Negishi reagent)
methylene chloride converts it to Schwartz's reagent. Zirconocene dichloride can also be used to prepare the Negishi reagent, Cp2Zr(η2-butene), which can be...
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with triethylamine. In 1970, the related hydrochloride (now called Schwartz's reagent) was obtained by reduction of zirconacene dichloride (Cp2ZrCl2) with...
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Early metal metallocene derivatives, e.g. Tebbe's reagent, Petasis reagent, and Schwartz's reagent are useful in specialized organic synthetic operations...
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LiAlH4 → RCHO + HNRR' With further reduction the alcohol is obtained. Schwartz's reagent reduces amides to aldehydes, and so does hydrosilylation with a suitable...
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involve redox at the metal centres. Bent metallocenes Tebbe's reagent Schwartz's reagent. Ansa-metallocene, X is the linker group, often (CH2)n or R2Si...
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(CODRh(PPh3)2+) Schultze reagent (KClO3 / HNO3) Schweinfurter Green (Cu(OAc)2·3Cu(AsO2)2) Schwartz's reagent (Cp2Zr(H)Cl) Schweizer's reagent ([Cu(NH3)4(H2O)2](OH)2)...
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Birmingham and Wilkinson, was the first organozirconium compound. Schwartz's reagent, prepared in 1970 by P. C. Wailes and H. Weigold, is a metallocene...
47 KB (5,333 words) - 18:54, 17 August 2024
afford zirconocene chloride hydride (Schwartz's reagent). Alkenes undergo hydrozirconation in the presence of this reagent, affording functionalized products...
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transitions. Examples: titanium tetrachloride, titanocene dichloride, Schwartz's reagent. d1 Examples: molybdenum(V) chloride, vanadyl acetylacetonate, vanadocene...
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semisynthesis consists of conversion of the amide group to an amine with Schwartz's reagent through an imine followed by acidic workup and a benzoylation. In...
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ZrBr4 Zirconium(IV) iodide – ZrI4 Zirconium(IV) hydroxide – Zr(OH)4 Schwartz's reagent – C10H11ClZr Zirconium propionate – Zr(CH3CH2COO)4 Zirconium tungstate...
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this method, porphobilinogen is detected by a color reaction with Ehrlich reagent and confirming that the color is not removed by chloroform. As the test...
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tin-methyl bond. A modified synthesis of atrane tricycle utilizes Schwartz's Reagent, triallylamine, and tin(IV) chloride in a one-pot method. Though the...
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finds application in papermaking and dye industries. It is also used as a reagent in organic synthesis. The compound was discovered in the 1940s by H. I...
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Iodomethane (section Methylation reagent)
is added to a mixture of methanol with red phosphorus. The iodinating reagent is phosphorus triiodide that is formed in situ: 3 CH3OH + PI3 → 3 CH3I...
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Phenol oxidation with hypervalent iodine reagents leads to the formation of quinone-type products or iodonium ylides, depending on the structure of the...
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Organotantalum chemistry (redirect from Organotantalum reagent)
complexes arise by treating trialkyltantalum dichloride with alkyl lithium reagents. This reaction initially forms a thermally unstable tetraalkyl-monochloro-tantalum...
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substrates. Silanization mechanisms vary with substrate and with silanization reagent. In the usual circumstance, surface MOH groups react as nucleophiles with...
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from which the lithium is more easily extracted by the reagents. Suitable extraction reagents include alkali metal sulfates, such as sodium sulfate; sodium...
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science products primarily include instruments, software, consumables, reagents, and content for the areas of cell biology, gene expression, protein purification...
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odiferous oil, it is a reagent used as a protected thiol. Atwal, Karnail S.; Rovnyak, George C.; O'Reilly, Brian C.; Schwartz, Joseph (1989). "Substituted...
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applications; it has been employed as a fluorination and desilylation reagent in organic synthesis and in aqueous solution as a topical caries treatment...
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majority of PCR methods rely on thermal cycling. Thermal cycling exposes reagents to repeated cycles of heating and cooling to permit different temperature-dependent...
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boron- and phosphorus-containing compounds, respectively, into important reagents in organic synthesis" 1976 William Lipscomb Cleveland, Ohio, US "for his...
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presence of water can lead to hydrolysis of the aspirin. So, an anhydrous reagent is preferred. Reaction mechanism Formulations containing high concentrations...
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of Reagents for Organic Synthesis, 2007, John Wiley & Sons.doi:10.1002/047084289X.rs112.pub2 Chu Sun, Masami Okabe, David L. Coffen, Jeffrey Schwartz "Conjugate...
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Mülmenstädt J, Neubauer D, Possner A, Rugenstein M, Sato Y, Schulz M, Schwartz SE, Sourdeval O, Storelvmo T, Toll V, Winker D, Stevens B (1 November 2019)...
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Tetraalkyl- and tetraaryltin compounds can be prepared using Grignard reagents: SnCl 4 + 4 RMgBr → R 4Sn + 4 MgBrCl The mixed halide-alkyls, which are...
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N,N'-Dicyclohexylcarbodiimide (category Peptide coupling reagents)
John D. (2018-09-21). "Thermal Stability Assessment of Peptide Coupling Reagents Commonly Used in Pharmaceutical Manufacturing". Organic Process Research...
14 KB (1,191 words) - 13:39, 7 July 2024