38275-04-6Relevant articles and documents
REMOTE OXIDATION OF KETONES TO γ- AND δ-DIKETONES
Troyanskii, E.I.,Mizintsev, V. V.,Lazareva, M. I.,Demchuk, D. V.,Nikishin, G. I.
, p. 1879 - 1884 (2007/10/02)
A single stage remote oxidation of ketones to γ- and δ-diketones has been carried out in a sodium peroxysulfate-iron(II) sulfate system.
A New Method for the Preparation of 1,5-Dicarbonyl Compounds from Bicyclic Ketals
Jun, Jong-Gab,Suh, Seigi,Shin, Dong Gyun
, p. 1349 - 1350 (2007/10/02)
1,5-Dicarbonyl compounds have been prepared from bicyclic ketals in high yield under mild conditions by using aluminium chloride-sodium iodide in methylene dichloride.
REGIOSELECTIVE HYDRATION OF ALKYNONES BY PALLADIUM CATALYSIS
Imi, Katsuharu,Imai, Kumiko,Utimoto, Kiitiro
, p. 3127 - 3130 (2007/10/02)
Diketones are regioselectively prepared from alkynyl ketones under mild conditions by palladium catalysis; 5-heptyn-2-one and 2-(2-nonynyl)cyclohexanone give 1,4-diketones whereas 2-(2-heptynyl)cyclopentanone and 5,6-didehydroprostaglandin E2 methyl ester afford 1,5-diketones.
A CONVENIENT PROCEDURE FOR CARBOXYLATION-ROBINSON ANNULATIONS OF KETONES USING TRIETHYLAMINE BASE IN THE PRESENCE OF MAGNESIUM CHLORIDE
Olsen, Richard S.,Fataftah, Zakaria A.,Rathke, Michael W.
, p. 1133 - 1140 (2007/10/02)
Carboxylation of ketones with carbon dioxide in the presence of magnesium chloride and triethylamine followed by reaction with methyl vinyl ketone gives satisfactory yields of Michael and Robinson annulation products.
THE PREPARATION OF 1,4-DICARBONYL COMPOUNDS BY PHOTOREACTION OF KETONES IN THE PRESENCE OF OXIDANTS
Mitani, Michiharu,Tamada, Mamoru,Uehara, Shin-ichi,Koyama, Kikuhiko
, p. 2805 - 2808 (2007/10/02)
Phenyl alkyl ketones were photo-irradiated in the presence of Cr(VI) or Mn(VII) oxidants to yield 1,4-dicarbonyl compounds regiospecifically while 2-octanone gave a regioisomeric mixture of 2,5-, 2,6-, and 2,7-octadiones.