The epoxidation of C5-C10 alkenes with hydrogen peroxide catalyzed by Mo compounds in two-phase solvents.
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概要
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The epoxidation of terminal alkenes such as 1-heptene, 1-octene, 1-decene, styrene (<B>1</B>), α-methylstyrene, and allyl chloride, and inner alkenes such as α-pinene, cyclopentene, cyclohexene (<B>2</B>) and cyclooctene was carried out with aqueous 60% hydrogen peroxide in the presence of molybdenum blue (Mob)-bis(tributyltin) oxide (<B>3</B>) using a two-phase solvent of chloroform-water at 25 °C. All these olefins gave epoxides in 98 to 48% yields. In the cases of <B>1</B> and <B>2</B>, the addition of ammonia greatly increased the yields of epoxides; the yield reached 78% and 83%, respectively, after 7 h. Various kinds of amines and organotin compounds were examined as co-catalysts and their effects were discussed.
- 公益社団法人 日本化学会の論文
著者
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Inoue Masami
Faculty Of Engineering Toyama University
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Kamiyama Tsutomu
Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University
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Kashiwagi Hiroshi
Faculty Of Computer Science And Systems Engineering Kyushu Institute Of Technology
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Enomoto Saburo
Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University
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Inoue Masami
Faculty of Engineering, Toyama University
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