Reaction of organocobaloxime with thiol under irradiation.
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概要
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The reactivity of photoactivated organocobaloxime was investigated by the reaction of thiol. Alkyl(pyridine)cobaloxime and ethyl mercaptoacetate were irradiated with a tungsten lamp under anaerobic conditions in an organic solvent to give ethyl alkylthioacetate, diethyl 2,2′-dithioacetate, and ethoxycarbonylmethylthiocobaloxime. Mechanistic investigations were carried out to determine the reaction course. Sulfide was assumed to be produced via a homolytic substitution between alkylcobaloxime and disulfide formed during the reaction. Disulfide was formed from thiol catalytically in the presence of cobaloxime under anaerobic conditions. Homolytic methyl-transfer scarcely occurred from methylcobaloxime into thiol.
- 公益社団法人 日本化学会の論文
著者
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Sato Takeo
Department Of Allergy And Immunological Diseases Tokyo Metropolitan Komagome Hospital
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Nakamura Tomoko
Department of Allergy and Immunology, National Research Institute for Child Health and Development, National Center for Child Health and Development
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Kijima Masashi
Department of Chemistry, Tokyo Metropolitan University
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Miyamori Kiyokatsu
Department of Chemistry, Tokyo Metropolitan University
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