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quinone    
醌

□

quinone
n 1: any of a class of aromatic yellow compounds including
several that are biologically important as coenzymes or
acceptors or vitamins; used in making dyes [synonym: {quinone},
{benzoquinone}]


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  • Quinone - Wikipedia
    The term quinone is also used more generally for a large class of compounds formally derived from aromatic quinones through replacement of some hydrogen atoms by other atoms or radicals
  • Quinone | C6H4O2 | CID 4650 - PubChem
    Quinone | C6H4O2 | CID 4650 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Quinone | Definition Uses | Britannica
    quinone, any member of a class of cyclic organic compounds containing two carbonyl groups, > C = O, either adjacent or separated by a vinylene group, ―CH = CH―, in a six-membered unsaturated ring In a few quinones, the carbonyl groups are located in different rings
  • 26. 2: Quinones - Chemistry LibreTexts
    Among other naturally occurring substances having quinone-type structures, one of the most important is the blood antihemorrhagic factor, vitamin K 1, which occurs in green plants and is a substituted 1,4-naphthalenedione:
  • Quinone_化工百科 - ChemBK
    Quinone - 制法 对苯醌是一种有机化合物，也被称为二醌。 它的制备方法主要有以下几种： 1 巴豆醛氧化法：将巴豆醛与氧气通入醇溶剂中，经过催化剂的催化反应，得到对苯醌。 2 邻苯醌氧化法：用邻苯醌或邻苯二酚与氧气反应，在催化剂的作用下，生成对苯
  • Electrochemical Synthesis of Quinones and Hydroquinones
    Apart from the direct quinone and hydroquinone synthesis, manifold protocols for their further modification were reported, giving rise to even more diverse quinones
  • 醌 - 维基百科，自由的百科全书
    醌 kūn （英語： quinones）或 醌类，是具有完全 共轭 的 环二酮 （cyclic diketone）结构（共轭 环己二烯二酮或环己二烯二亚甲基结构）的一类 有机化合物 总称，包括多环和杂环类似物 [1]。大部分的醌都是 α,β-不饱和酮，且为“非” 芳香 、有颜色的 化合物。醌类由 芳香化合物 通过偶数个 —CH= 转化
  • 醌（有机化合物）_百度百科
    大部分的醌都是α,β-不饱和酮，且为非芳香、有颜色的化合物。 最简单的醌是 苯醌，包括对苯醌（1,4-苯醌）和邻苯醌（1,2-苯醌）。 中文名 醌 外文名 quinone 定 义 一类含有两个双键的六元环状二酮（含两个羰基）结构的有机化合物
  • What Is a Quinone? Sources, Functions, and Uses
    For example, lawsone, the active quinone in henna leaves, is responsible for its dyeing properties Many plants also use quinones as defensive chemicals to deter pests and pathogens
  • Quinone - an overview | ScienceDirect Topics
    Quinone is a strong oxidizing agent and is usually reduced to hydroquinone It has been declared a federal hazardous air pollutant and was identified as a toxic air contaminant in April 1993 under AB 2728





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