29304-32-3Relevant academic research and scientific papers
Iodobenzene-catalyzed oxidative cleavage of olefins to carbonyl compounds
Du, Lele,Wang, Zechao,Wu, Junliang
, (2020)
A metal-free approach for the oxidative cleavage of carbon–carbon double bonds of olefins to carbonyl compounds was established by using oxidant m-CPBA and non-metallic organocatalyst PhI in toluene/H2O. A broad scope of aromatic olefins was used. All the reactions proceeded smoothly at 35 °C in short reaction time to furnish the respective mono- and double carbonyl compounds selectively in moderate to good yields.
Synthesis of diketones and ω-hydroxy ketones from methyl ketones and α,ω-diols by an [IrCl(eod)]2/PPh3/KOH system
Maeda, Kensaku,Obora, Yasushi,Sakaguchi, Satoshi,Ishii, Yasutaka
experimental part, p. 689 - 696 (2009/04/07)
ω-Hydroxy ketones and diketones, which are important starting materials for the synthesis of cycloalkanones and heterocyclic compounds, were prepared by the one-step reaction of methyl ketones with α,ω-diols under the influence of an iridium complex and a base. The selectivity of ω-hydroxy ketones and diketones could be controlled by varying the starting ratio of methyl ketones to α,ωdiols. For example, reaction using acetophenone (5 equiv) with respect to 1,6-hexanediol (1 equiv) in the presence of [IrCl(cod)]2, PPh3, and KOH without solvent gave 1,10-diphenyl-1,10-decane-dione in almost quantitative yield, while reaction using acetophenone (1 equiv) to 1,6-hexanediol (4 equiv) led to 8-hy-droxy-l-phenyl-l-octanone in 92% yield. This methodology was successfully extended to the reaction of arylacetonitriles with α.ω-odiols leading to diaryldinitriles.
Ring size effect in oxidation of 1-phenylcycloalkenes with chromic anhydride-pyridine complex: Preferential formation of epoxide with increase in ring size
Singh, Chandan,Saxena, Gunjan
, p. 1176 - 1177 (2007/10/02)
A marked ring size effect in the oxidation of 1-phenylcycloalkenes (1) with chromic anhydride-pyridine complex has been observed.While 1-phenylcyclopentene (1a) and 1-phenylcyclohexene (1b) give the expected α,β-unsaturated cyclic ketones (2a,b) 1-phenylcycloheptene (1c) and 1-phenylcyclooctene (1d) furnish epoxides (5c,d) as the major products.
