When aromatic aldehydes and fatty acid anhydrides are heated in the presence of sodium or potassium salts of fatty acids, cinnamic acid derivatives are obtained. The first inventor of synthetic dyes, British author W. H. Perkin, discovered in 1868 that the fragrance coumarin can be produced from salicylaldehyde and acetic anhydride (the first synthetic fragrance), and later generalized this reaction by synthesizing cinnamic acid from benzaldehyde and acetic anhydride.
[Yasuhide Yukawa and Masaru Hirota, March 19, 2015] [Reference item] | |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
芳香族アルデヒドと脂肪酸無水物とを、脂肪酸のナトリウム塩またはカリウム塩の存在下に加熱すると、ケイ皮酸誘導体が得られる反応である。合成染料の最初の発明者であるイギリスのW・H・パーキンは、1868年サリチルアルデヒドと無水酢酸から香料のクマリンができることを発見し(初めての合成香料)、その後ベンズアルデヒドと無水酢酸からケイ皮酸を合成して、この反応を一般化した。
[湯川泰秀・廣田 穰 2015年3月19日] [参照項目] | |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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