N-(1-naphthalenyl)-N′-(4-pyridinyl)urea

• 分子结构分类: 有机化合物 - 苯类化合物 - 萘
• 英文名称: N-(1-naphthalenyl)-N′-(4-pyridinyl)urea
• 英文别名: 1-(Naphthalen-1-yl)-3-(pyridin-4-yl)urea；1-naphthalen-1-yl-3-pyridin-4-ylurea
• 化学式: C₁₆H₁₃N₃O
• 分子量: 263.299
• InChiKey: QJMSVMKEMICIJZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  20
• 可旋转键数：
  2
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  54
• 氢给体数：
  2
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  4-氨基吡啶 、 1-Alapha-萘异氰酸酯 以 二氯甲烷 为溶剂， 反应 48.0h， 以98%的产率得到N-(1-naphthalenyl)-N′-(4-pyridinyl)urea
  参考文献：
  名称：

  Approaches to protection against nerve agent poisoning. (Naphthylvinyl)pyridine derivatives as potential antidotes

  摘要：

  Analogues of the potent inhibitor of choline acetyltransferase (CAT) (E)-4-(1-naphthylvinyl)pyridine methiodide were synthesized and evaluated for their ability to inhibit CAT and protect against nerve agent intoxication. Several compounds, notably (E)-1-(2-hydroxyethyl)-(1-naphthylvinyl)pyridinium bromide (3), (E)-1-methyl-4-(1-naphthylvinyl)-1,2,3,6-tetrahydropyridine hydrochloride (22), and (E)-1-methyl-4-(1-naphthylvinyl)piperidine hydrochloride (23), were found to afford significant protection against sarin in the mouse and against soman in the guinea pig. However, protection was apparently not related to CAT inhibition. Compound 23, our most effective compound in protecting against nerve agent, was without CAT inhibitory activity. Compound 22, which proved to be a potent CAT inhibitor, most likely owed this activity to being dehydrogenated back to the pyridinium quaternary salt by oxidative enzymes. Several of the (naphthylvinyl)pyridine quaternary salts, but not their tertiary amine analogues, were found to be effective in slowing the rate of aging of soman-inhibited acetylcholinesterase. Ability to slow the rate of aging was enhanced by introduction of methoxy substituents on the aryl moiety whereas the aging rate was actually accelerated by chloro substituents. To date, our most effective compound in slowing the rate of aging, (E)-4-[(4-methoxy-1-naphthyl)vinyl]pyridine methochloride (6), did not provide significant protection against soman in the mouse.

  DOI：

  10.1021/jm00399a022

文献信息

• Phosgene-free synthesis of N-aryl-N'-4-pyridinylureas via selenium-catalyzed oxidative carbonylation of 4-aminopyridine with aromatic amines
  作者：Xiaopeng Zhang、Zhengwei Li、Yan Wang、Shuxiang Dong、Xueli Niu、Guisheng Zhang

  DOI：10.3998/ark.5550190.p009.683

  日期：——

  atom economy has been developed for the synthesis of N-aryl-N′-(4-pyridinyl)ureas. With cheap selenium as the catalyst, carbon monoxide (instead of phosgene) as the carbonyl reagent, N-aryl-N′-(4-pyridinyl)ureas can be obtained in a one-pot manner mostly in moderate to good yields via oxidative cross-carbonylation of 4-aminopyridine with a variety of aromatic amines in the presence of oxygen under atmospheric

  已开发出一种简便、无光气且具有高原子经济性的方法来合成 N-芳基-N'-(4-吡啶基)脲。以廉价的硒为催化剂，以一氧化碳（而不是光气）为羰基试剂，可以通过氧化交叉以一锅法获得N-芳基-N'-（4-吡啶基）脲，大部分收率中等至良好- 4-氨基吡啶与多种芳香胺在氧气存在下在大气压下羰基化。还提出了合成N-芳基-N'-(4-吡啶基)脲的机理。