Electrogenerated base-promoted synthesis of organic carbonates from alcohols and carbon dioxide
Electrogenerated bases promote the reaction between primary alcohols and carbon dioxide to give organic carbonates in excellent yields. Secondary alcohols are converted in moderate yields, whereas tertiary alcohols and phenols are unreactive. 1,2-Diols give a mixture of both cyclic and linear diand monocarbonates. These latter are intermediates in the reaction pathway leading to the cyclic derivatives.
Casadei, Maria Antonietta,Cesa, Stefania,Rossi, Leucio
p. 2445 - 2448
(2007/10/03)
Einfuehrung von Sauerstoff-Funktionen in die α-Stellung von β-Diketonen, 5. Acyloxylierung von 3-prim.-Amino-2-cyclohexen-1-onen
The enaminone 1 reacts with diacyl peroxides 2 to yield monoacyloxylation products 4 and (acylamino)cyclohexadienolones 6 which may be regarded as reaction products of an acyl rearrangement of the non-isolable bis-acyloxylation products 5.Catalytic hydrogenation of benzyl esters 4e and 6e obtained by the described way leads immediately to the amino reductone 8.
Schank, Kurt,Adler, Manfred
p. 2019 - 2028
(2007/10/02)
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