1,3-diphenyl-2-propen-1-one. C 15 H 12 O (208.25). Not found in nature, it is synthesized by condensation of acetophenone and benzaldehyde. Orange-yellow columnar crystals. Melting point 58 °C, boiling point 345 °C. 1.071. 1.646. Dimerized with concentrated sulfuric acid and acetic anhydride. In a broad sense, chalcone is a general term for the above naturally occurring compounds and their hydroxy derivatives, and is an orange-yellow or orange-red pigment. Examples include carthamin, rottlerin, and butein. It is irritating to the skin. [CAS 94-41-7] Source: Morikita Publishing "Chemical Dictionary (2nd Edition)" Information about the Chemical Dictionary 2nd Edition |
1,3-diphenyl-2-propen-1-one.C15H12O(208.25).天然には存在せず,アセトフェノンとベンズアルデヒドの縮合により合成される.橙黄色の柱状晶.融点58 ℃,沸点345 ℃.1.071.1.646.濃硫酸と無水酢酸により二量体をつくる.広義では,カルコンは天然にある上記化合物とヒドロキシ誘導体を総称し,橙黄色または橙赤色の色素である.カルタミン,ロットレリン,ブテインなどがその例である.皮膚刺激性がある.[CAS 94-41-7] 出典 森北出版「化学辞典(第2版)」化学辞典 第2版について 情報 |
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