1975
DOI: 10.1139/v75-312
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Palladium(II) Catalyzed Exchange Reactions. XI. Vinyl Propionate Exchange with Acetic Acid Catalyzed by Palladium(II) Acetate

Abstract: . Can. J. Chem. 53,2223Chem. 53, (1975. The kinetics of the palladium(I1) acetate catalyzed exchange of vinyl propionate with acetic acid solvent to give vinyl acetate has been studied in the sodium acetate concentration range from 0 to 1 M. The exchange rate first sharply increases as [NaOAc] increases, reaches a maximum at about 0.2 M and then gradually decreases as the sodium acetate concentration is increased to 1.0 M. Using previous results on the equilibrium between palladium(I1) acetate and sodium ace… Show more

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Cited by 13 publications
(2 citation statements)
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“…The reaction was also apparently zero-order in catalyst when MeDalphosAuNTf 2 was used as the precatalyst, indicating that this is not unique to the t BuXPhos ligand (see the Supporting Information). While catalytic systems can be zero-order in catalyst, it is an atypical circumstance. A net zero order in catalyst can be due to an inverse order with respect to a precatalyst fragment (i.e., ligand or counterion) .…”
Section: Resultsmentioning
confidence: 99%
“…The reaction was also apparently zero-order in catalyst when MeDalphosAuNTf 2 was used as the precatalyst, indicating that this is not unique to the t BuXPhos ligand (see the Supporting Information). While catalytic systems can be zero-order in catalyst, it is an atypical circumstance. A net zero order in catalyst can be due to an inverse order with respect to a precatalyst fragment (i.e., ligand or counterion) .…”
Section: Resultsmentioning
confidence: 99%
“…The second publication described a study of the palladium(II) catalyzed exchange of vinyl propionates with acetic acid. 20 This reaction should be mechanistically similar to olefin CH =ni()CC 11 + HOAc "Pd(OAc).," -1* CH2=CHOAc + C2H5C02H (9) oxidation to give unsaturated esters (eq 5 and 6), since it must also involve addition of the elements of Pd(II) and acetate across the double bond. However, in this case the elements of CH2=CH02CC2H5 + "PdtOAcy ,OAc -AcOPdCH2CH^ ( 10) , o2cc2h5…”
mentioning
confidence: 99%