Pivalophenone
WebSep 1, 1981 · Experimental dipole moments and infinite-dilution molar Kerr constants are reported for pivalophenone and five p-substituted pivalophenones (t-BuCO · … WebPivalophenone N–H imine undergoes ortho C–H silylation with triethylsilane in the presence of [Fe 3 (CO) 12] as a catalyst and norbornene as a hydrogen acceptor. The product can be readily transformed into ortho-silylated benzonitrile via conversion of the imine functionality to a cyano group under peroxide photolysis.
Pivalophenone
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WebMay 14, 2024 · Pivalophenone N−H imines and triethylsilane undergo dehydrogenative C−Si bond formation in the presence of [Fe3(CO)12] and norbornene, affording ortho‐silylated products in moderate yields. WebMay 30, 2024 · Pivalophenone N–H imine has been found to serve as a prominent substrate for directed C–H alkylation and arylation reactions with alkyl bromides and aryl chlorides, respectively, under cobalt–N-heterocyclic carbene (NHC) catalysis. Unlike the case of the parent pivalophenone imine, the increased steric bulk of the resulting ortho ...
WebMar 28, 2024 · Pivalophenone N–H imines bearing a series of para-substituents all participated in the alkenylation reaction to afford the desired products 3ba–ga in good yields. The reaction of m -methyl-substituted imine took place preferentially at the less hindered position to afford 3ha as the major isomer with a moderate regioselectivity of 3:1. WebBuilding on the above background, we have found that pivalophenone N–H imine serves as a benzonitrile surrogate for directed C–H functionalization reactions under cobalt …
WebView the Full Spectrum for FREE! The full spectrum can only be viewed using a FREE account. WebA cobalt-catalyzed ortho-C–H benzylation reaction of pivalophenone N–H imines with benzyl phosphates is reported. The reaction is promoted at room temperature by a ternary catalytic system comprising Co(acac)3, a pyridylphosphine ligand, and a Grignard reagent and tolerates a series of substituted pivalophenone imines and benzyl phosphates to …
WebPivalone 1% indications. An indication is a term used for the list of condition or symptom or illness for which the medicine is prescribed or used by the patient. For example, …
WebAldrich-280925; 2,2-Dimethylpropiophenone 0.98; CAS No.: 938-16-9; Synonyms: tert-Butyl phenyl ketone; Pivalophenone; Linear Formula: C6H5COC(CH3)3; Empirical Formula ... swarf furnitureWebOct 16, 1973 · Pivalophenone reacts about three times faster than benzoytrimethylsilane. Résumé L′addition du triéthylsialane á la pivalophénone et au benzoyltriméthylsilane en présence de chlorure d′indium conduit aux alcoxysilanes correspondants. swarf filterWebJan 1, 1990 · The nitration of pivalophenone (2,2-dimethyl-1-phenyl-propan-1-one) with NO 2 BF 4 gives o-, m-, and p-nitropivalophenones in the percentage ratio of 26:45:29. … swarf fanWebJan 16, 2024 · Pivalophenone N–H imines bearing a series of para-substituents all participated in the alkenylation reaction to afford the desired products 3ba–ga in good … skits about pentecostWebName: Pivalophenone CAS#: 938-16-9 Chemical Formula: C11H14O Exact Mass: 162.1045 Molecular Weight: 162.23 Elemental Analysis: C, 81.44; H, 8.70; O, 9.86 Price and … swarf materialWebJan 13, 2024 · Here we report an ortho-C–H alkenylation of aromatic ketones with unsymmetric internal alkynes catalyzed by an iron phosphine complex, Fe(PMe3)4. The … skits about schoolWebEXAMPLE 3 α-tert.-butyl-p-phenoxy benzyl alcohol ##STR8##. To a solution of 25.4 g. of 4-phenoxy-pivalophenone in 250 ml. of isopropanol is added 5.0 g. of sodium borohydride. The resulting mixture is stirred at ambient temperature for 2 hours, evaporated in vacuo and the residue extracted with water and with ether. skits by sphe