19025-38-8Relevant academic research and scientific papers
Photo-irradiation of α-halo carbonyl compounds: A novel synthesis of α-hydroxy- and α,α′-dihydroxyketones
Chai, Wen,Takeda, Akihiro,Hara, Makoto,Ji, Shun-Jun,Horiuchi, C. Akira
, p. 2453 - 2463 (2007/10/03)
The reaction of α-halo ketones (α-iodocycloalkanones, α-bromocycloalkanones, α-iodo-β-alkoxy esters, and α-iodoacyclicketones) with irradiation under a high-pressure mercury lamp gave the corresponding α-hydroxyketones in good yields. For α-bromoketones, it was found that α-hydroxylation does not occur. However, α-bromoketones were converted into α-hydroxyketones in the presence of KI. In the case of α,α′-diiodo ketones, α,α′-dihydroxyketones, which up to now have scarcely been reported, were obtained. This reaction affords a new, clean and convenient synthetic method for α-hydroxy- and α,α′- dihydroxyketones.
A novel synthesis of α-hydroxy- and α,α′- dihydroxyketone from α-iodo and α,α′-diiodo ketone using photoirradiation
Horiuchi, C. Akira,Takeda, Akinori,Chai, Wen,Ohwada, Kishoh,Ji, Shun-Jun,Takahashi, T. Tomoyoshi
, p. 9307 - 9311 (2007/10/03)
A novel reaction of α-iodo ketone (α-iodocycloalkanone, α-iodo-β-alkoxy ester, and α-iodoacyclicketone) with irradiation under a high-pressure mercury lamp gave the corresponding α-hydroxyketone in good yields. In the case of α,α′- diiodo ketone, α,α′-dihydroxyketone which little has been reported until now was obtained. This reaction affords a new, clean and convenient synthetic method for α-hydroxy- and α,α′- dihydroxyketone.
Synthesis of α,β-unsaturated ketone from α-iodo ketone using photoirradiation
Ji, Shun-Jun,Takahashi, Eiji,Takahashi, T. Tomoyoshi,Horiuchi, C. Akira
, p. 9263 - 9266 (2007/10/03)
Irradiation of α-iodo ketone in hexane under a nitrogen atmosphere with a high-pressure mercury lamp (λ>300nm) at room temperature afforded the corresponding α,β-unsaturated ketones in good yield. This reaction affords a new, clean and convenient synthetic method for the α,β-unsaturated ketone.
NEW METHOD FOR THE PRODUCTION OF 1,4-DIOXACYCLOHEXADECANE-5,16-DIONE FROM CYCLODECANONE
Zakharkin, L. I.,Guseva, V. V.
, p. 115 - 118 (2007/10/02)
A new method is proposed for the synthesis of 1,4-dioxacyclohexadecane-5,16-dione by the oxidation of 13,16-dioxabicyclohexadec-1(12)-ene, obtained from 2-hydroxycyclododecanone and ethylene glycol.The action of an aqueous or alcohol solution of potassium hydroxide on 2-acetoxy- or 2-hydroxycyclododecanone leads to oxidative cleavage of the C-C bond with the formation of 1,10-decanedicarboxylic acid.
Acid-Catalyzed Oxidation of Oxiranes with Dimethyl Sulfoxide Giving α-Hydroxy Ketones
Tsuji, Tadakazu
, p. 645 - 647 (2007/10/02)
The reaction of various oxiranes with dimethyl sulfoxide in the presence of Molecular Sieve 4A and acid afforded the corresponding α-hydroxy ketones.The molecular sieve found to accelerate the reaction.
