Allylic Bromination of Soybean Oil Subsequent Dehydrobromination
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概要
- 論文の詳細を見る
本研究は半乾性油の乾燥性を改善する目的で行ったものである。 N-ブロモ琥珀酸イミドによって大豆油を臭素化した。適当な条件に於ては，殆んど定量的に，アリルの位置に臭素が導入されることがわかった。 かくして得られた臭素化大豆油を各種条件の下で加熱脱臭化水素を行った。脱臭化水素油の特数及び乾燥性は反応条件により著しく影響されるが，特に脱臭化水素温度が生成油の乾燥性を決定する重要な因子であって，比較的低温(150℃.)が最も適当であることを明かにした。例えば，臭素化油(Br，16.9%)を真空，150℃，1時間で脱臭化水素すると，15.1%の共役ヂエン，3.6%の共役トリエン及び4.7%の共役テトラエンを含む油が得られた。この油は極めて速かに乾燥し，その指触乾燥時間は，乾燥剤なしで，40～50分であった。なお脱臭素率は約86%であった。もっと高い温度(250℃.)では，脱臭素率は91%まで向上したが，生成油の共役成分含量は却って減少し，乾燥性は良くなかった
- 山形大学の論文
- 1959-02-28
著者
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Nakamura Shotaro
Department Of Applied Chemistry Faculty Of Engineering
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Baba Hajime
Department Of Applied Chemistry Faculty Of Engineering
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Oyamada Taichiro
Department of Applied Chemistry,Faculty of Engineering
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Oyamada Taichiro
Department Of Applied Chemistry Faculty Of Engineering
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小山田 太一郎
Department of Applied Chemistry,Faculty of Engineering
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