Detailed spectroscopic studies support this conclusion. DOI: 10.1021/ja060463q. Reproduced material should be attributed as follows: If the material has been adapted instead of reproduced from the original RSC publication
Compound formation is consistent with the strong chemisorption of HOAc on Pd. The mechanism of hydrolysis is consistent with the Michaelis-Menten kinetic model. SOLVENT DEUTERIUM ISOTOPE EFFECTS ON ACID-BASE REACTIONS. The mechanism of hydrolysis is consistent with the Michaelis-Menten kinetic model. In all cases the Ref. Please enable JavaScript
The kinetics of the acid-catalysed hydrolysis of ethyl vinyl ether in aqueous solution have been measured by following the disappearance of the ether and by following the appearance of acetaldehyde; the two methods give identical rate constants. If you are not the author of this article and you wish to reproduce material from
Thus, the mechanism of the acid-catalyzed hydrolysis of vinyl sulfides is essen- tially the same as that of vinyl ethers (eqns 4 and 5). SPECIFIC ACID CATALYZED HYDROLYSIS OF 4-METHOXY-3- BUTEN-2-ONE. article provided that the correct acknowledgement is given with the reproduced material. This may take some time to load. Please enable JavaScript
article provided that the correct acknowledgement is given with the reproduced material. This may take some time to load. formally request permission using Copyright Clearance Center. By comparing the catalyst with mixtures of palladium acetate powder physically dispersed in potassium chloride, it is determined that the active phase on the catalyst is a form of palladium acetate. Materials. "Reproduced from" can be substituted with "Adapted from". If you are the author of this article you still need to obtain permission to reproduce
The ... (DMVE), and methyl triethylene glycol vinyl ether (MTVE) followed by hydrolysis of the copolymers. studied using a method which couples diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) with mass spectrometry (MS). Comparison of the rates of acetal hydrolysis in the assembly with the, Supported palladium catalyzes the synthesis of vinyl acetate (VA) by oxyacetylation of ethylene. the whole article in a third party publication with the exception of reproduction
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Instead, you need to use the fact that an enol ether is very much like an enol. Vinyl $\mathrm{sp^2}$ cations are very unstable and an $\mathrm{S_N1} $-type dissociation of MeOH is very unlikely. Their swelling behavior has also been studied. OSTI.GOV Journal Article: Hydrolysis of strained bridgehead bicyclic vinyl ethers and sulfides Title: Hydrolysis of strained bridgehead bicyclic vinyl ethers and sulfides Full Record After correction for this effect, the kinetics reveal that as a reagent HOAc is zero order. with the reproduced material. If you are not the author of this article and you wish to reproduce material from
Fetching data from CrossRef. The surface processes on a supported vinyl acetate catalyst were. XX is the XXth reference in the list of references. Further investigation of the rate limiting step of the reaction revealed a negative entropy of activation ({Delta}S{double_dagger} = -9 cal mol{sup -1}K{sup -1}) and an inverse solvent isotope effect (k(H{sub 2}O)/k(D{sub 2}O) = 0.62). Information about reproducing material from RSC articles with different licences
For reproduction of material from all other RSC journals and books: For reproduction of material from all other RSC journals. MECHANISMS FOR THE ACID-CATALYZED HYDROLYSIS OF VINYL ACETATE AND ISOPROPENYL ACETATE. You do not have JavaScript enabled. Kinetic analysis of temperature-programmed reaction(TPRxn) data suggests that Pd metal or metal oxide adjacent to the active site is important in the reaction mechanism. The kinetics of the acid-catalysed hydrolysis of ethyl vinyl ether in aqueous solution have been measured by following the disappearance of the ether and by following the appearance of acetaldehyde; the two methods give identical rate constants.