(E)-4-(2,6-Dimethyl-phenylamino)-pent-3-en-2-one | 147054-83-9

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: (E)-4-(2,6-Dimethyl-phenylamino)-pent-3-en-2-one
• 英文别名: (E)-4-((2,6-dimethylphenyl)amino)pent-3-en-2-one
• CAS: 147054-83-9
• 化学式: C₁₃H₁₇NO
• 分子量: 203.284
• InChiKey: BIWBESSJGCEQJK-DHZHZOJOSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.21
• 重原子数：
  15.0
• 可旋转键数：
  3.0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.31
• 拓扑面积：
  29.1
• 氢给体数：
  1.0
• 氢受体数：
  2.0

反应信息

• 作为反应物：
  描述：

  (E)-4-(2,6-Dimethyl-phenylamino)-pent-3-en-2-one 在 溴 作用下， 以 甲醇 、 溶剂黄146 为溶剂， 生成 2-Anilinothiocarbonylimino-3-(2,6-dimethylphenyl)-4-methyl-5-acetyl-thiazolin
  参考文献：
  名称：

  Heterocyclenbildung mit Enaminen

  摘要：

  Aminoacrylderivatives (1) and Br2/NH4SCN form iminothiazolinones 3 a-c and with chlorosulfonylisocyanate thiadiazinonedioxide 8. Reaction of 3 a with hydrazine yields disulfide 6. Compound 2 and PCl3 yield diazaphosphorines 7 a-c. By reaction of pyrimidinone 9 with NaOCl, HCl/H2O2 or Br2/NH4SCN dichloropyrimidinone 10, dichlorooxaziridine 16, and thiocyanate 13 are formed. Octahydroquinazolinone (17) and NaOCl or H2O2/HCl form chloroderivatives 18, 19 and 20, 18 with peracid oxaziridine 22. Compounds 16, 21, 22 and 13 with NaOCl form N-chloroderivatives 23, 24, 25 and 26 resp.

  DOI：

  10.1002/prac.19923340813
• 作为产物：
  描述：

  2,6-二甲基苯胺 、 乙酰丙酮 以 乙醇 为溶剂， 以78%的产率得到(E)-4-(2,6-Dimethyl-phenylamino)-pent-3-en-2-one
  参考文献：
  名称：

  大自然激发了单线态氧的产生，以通过1,2-酰基迁移获得α-氨基羰基化合物

  摘要：

  我们发现叶绿素催化的1,2-酰基迁移反应可直接从烯胺酮中获得α-氨基羰基化合物。通常，在光合作用II中心的光合作用过程中会产生单线态氧。该单线态氧可以容易地与生物分子中存在的不饱和双键反应。这种反应性促使我们将这一概念应用于不饱和烯胺酮和其他化合物，以获得高价值的化合物。实际上，这种光敏剂非常便宜，可商购，以主族金属为基础，并且通过实现高营业额数（TON）> 300和高营业额频率（TOF）为50 h -1，为单重态氧介导的化学反应提供了出色的效率。。最后，DFT计算和详细的机械实验相结合，提供了光敏剂的确切作用以及对反应的清晰见解。

  DOI：

  10.1039/d0gc03555f

文献信息

• Deuterium Isotope Effects on 13C Chemical Shifts of Enaminones.
  作者：Donka Kh. Zheglova、Daniel G. Genov、Simon Bolvig、Poul Erik Hansen、M. Hanfland、E. Dooryhee

  DOI：10.3891/acta.chem.scand.51-1016

  日期：——

  Deuterium isotope effects on C-13 chemical shifts have been studied in a series of substituted N-alkyl and N-phenyl keto-enamines. The intramolecularly hydrogen bonded Z-forms show the largest two-bond isotope effects, (2) Delta C-1(ND). Methyl-substitution al C-l leads to a larger two-bond isotope effect in the N-phenyl-substituted derivatives. This effect is ascribed to steric compression. Space-filling substituents at the ortho-position of the N-phenyl ring lead to a decrease of the two-bond isotope effect. A correlation is found between (2) Delta C-1(ND) and (3) Delta C-2'(ND). The latter becomes negative in the sterically hindered cases. (3) Delta C-2'(ND) may therefore be used as a gauge of the twist of the phenyl ring.o-Hydroxy substitution of the CO-phenyl rings enables intramolecular hydrogen bonding to the carbonyl group. This kind of hydrogen bond with two donors to one acceptor leads to smaller (2) Delta C-2(ND) and (2) Delta C-2 ''(OD) isotope effects equivalent to weaker hydrogen bonds for the Z-isomer. This is ascribed to competition for the acceptor. For the E-isomer (2) Delta C(OD) is enhanced. The same feature is seen for N,N-dimethylamino enamines. This increase is ascribed to delocalization of the nitrogen lone-pair onto the carbonyl oxygen, thereby strengthening the hydrogen bond and thus leading to larger two-bond, (2) Delta C(OD), isotope effects.