Reaction of aldehyde O-alkyl oxime with organometallic compounds
作者:Shinichi Itsuno、Koji Miyazaki、Koichi Ito
DOI:10.1016/s0040-4039(00)84709-7
日期:1986.1
Aldehyde O-alkyl oximes were converted into ketones with high yields when they were treated with alkyllithium compounds or Grignard reagents followed by hydrolysis. Amines as reductive alkylation products of aldehyde O-alkyl oximes were also obtained by BH3 reduction before hydrolysis.
One-Pot Synthesis of Oxime Ethers from Benzaldehyde or Acetophenone, Hydroxylamine Salt, Potassium Hydroxide, and Alkyl Halides
作者:Chunbao Li、Hang Zhang、Yi Cui、Shuanming Zhang、Zheyuan Zhao、Michael C. K. Choi、Albert S. C. Chan
DOI:10.1081/scc-120015807
日期:2003.1.4
Abstract Oxime ethers were synthesized in one-pot reaction from benzaldehyde or acetophenone, hydroxylamine hydrogen chloride, alkyl halides and KOH in aqueous DMSO. The reactions were completed in 15–50 min with yields in 80–96%.
Kendrick Geno, Maureen J.; Dawson, John H., Inorganic Chemistry, 1984, vol. 23, # 4, p. 509 - 510
作者:Kendrick Geno, Maureen J.、Dawson, John H.
DOI:——
日期:——
Highly Efficient Formation of Nitriles and Alkoxy Radicals from <i>N</i>-Alkoxybenziminoyl Chlorides in Solution
作者:H. J. Peter de Lijser、Cassandra R. Burke、Jonathan Rosenberg、Jordan Hunter
DOI:10.1021/jo8026142
日期:2009.2.20
N-alkoxybenziminoyl chlorides were synthesized and reacted with tributyltinhydride in the presence of AIBN to generate the corresponding N-alkoxybenziminoyl radicals. This methodology successfully generates the desired radicals, which undergo a rapid and highly efficient β-scission reaction, as shown by the formation of the corresponding nitriles and products derived from alkoxy radicals. The intermediate N-alkoxybenziminoyl
合成了一系列的N-烷氧基苯甲酰氯,并在AIBN的存在下与氢化三丁基锡反应生成相应的N-烷氧基苯甲酰氨基。这种方法成功地生成了所需的自由基,这些自由基经历了快速,高效的β-断裂反应,这是通过形成相应的腈和衍生自烷氧基的产物所表明的。通过使用高浓度的Bu 3 SnH或通过使用氢原子给体溶剂(例如甲苯),不能捕获中间的N-烷氧基苯并氨基自由基。发现快速的β-断裂反应与亚氨酰氯的结构无关。这些结果不同于类似的研究N-烷基亚氨基自由基,通常从两个β-断裂氢原子转移途径产生产物。从这项研究中,以及一些报道速率常数不同的氢原子转移(HAT)的过程中的数据,我们得出结论,用于速率常数β-断链过程(下限ķ β中)Ñ -alkoxybenziminoyl自由基是2.5 ×10 7 s -1。
Change of orientation in electrophilic substitution of benzaldehydes by O-alkyloximation derivatives
作者:Hiroshi Goda、Hirotaka Ihara、Chuichi Hirayama、Makoto Sato
DOI:10.1016/s0040-4039(00)76759-1
日期:1994.3
By the introduction of O-alkyloxyimino group, orientation in electrophilic substitution of benzaldehyde can be selectively controlled.