Journal of Organic Chemistry p. 830 - 831 (1988)
Update date:2022-08-10
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Ballistreri, Francesco Paolo
Failla, Salvatore
Tomaselli, Gaetano Andrea
A phase-transfer procedure for the oxidation of terminal alkynes under mild conditions is described.The catalytic system involves dilute hydrogen peroxide, Na2MO4 salts (M=Mo(VI), W(VI)), and Hg(OAc)2.In the absence of mercuric derivative no oxidation takes place.By changing the pH of the aqueous phase and the nature of the phase transfer agent, either cationic or neutral, as well as the metal (Mo or W), carboxilic acids or α-keto aldehydes may be selectively obtained in fairly good yields.
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