The use of silica gel-supported ionenes as reagents and catalysts for several substitution reactions in toluene.
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概要
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Several ionene bromides were used as reagents for the displacement of decyl methanesulfonate into 1-bromodecane. They were very reactive when adsorbed by silica gel. The enhanced activities of the ionenes were hardly dependent on their structures and molecular weights but decreased gradually with increasing the amount of ionene adsorbed by silica gel. Ionene chlorides exhibited a similar enhancement of reactivity when adsorbed by silica gel. However, unlike the ionenes, a large increase in activity due to adsorption was not observed with pendant-type polycations such as poly(4-vinylpyridinium bromide) and poly[(4-vinylbenzyl)tributylammonium chloride]. The silica gel-supported ionenes also exhibited excellent catalytic activities for solid–liquid–solid triphase substitution reactions, particularly for the reactions between 1-bromodecane and such inorganic salts as consisted of relatively hard-basic nucleophilic anions.
- 公益社団法人 日本化学会の論文
著者
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Matsunaga Toshiaki
Department of Fuel Chemistry, Mining College, Akita University
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Ohtani Noritaka
Department of Chemical Engineering for Resources, Mining College, Akita University
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KIMURA Chikai
Department of Chemical Engineering for Resources, Mining College, Akita University
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Chida Kosaku
Department of Chemical Engineering for Resources, Mining College, Akita University
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Serita Hajime
Department of Fuel Chemistry, Mining College, Akita University
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