α-chloro-4-methoxyacetophenone oxime | 139620-85-2

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚醚
• 英文名称: α-chloro-4-methoxyacetophenone oxime
• 英文别名: N-[2-chloro-1-(4-methoxyphenyl)ethylidene]hydroxylamine
• CAS: 139620-85-2
• 化学式: C₉H₁₀ClNO₂
• 分子量: 199.637
• InChiKey: XGBVTBGCRKBNJE-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.11
• 重原子数：
  13.0
• 可旋转键数：
  3.0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.22
• 拓扑面积：
  41.82
• 氢给体数：
  1.0
• 氢受体数：
  3.0

反应信息

• 作为反应物：
  描述：

  α-chloro-4-methoxyacetophenone oxime 在 正丁基锂 、 溶剂黄146 、 三乙胺 作用下， 以 苯 为溶剂， 反应 3.5h， 生成 (Z)-2-[2-(4-methoxyphenyl)-1,3-dithian-2-yl]-1-(4-methoxyphenyl)ethanone oxime
  参考文献：
  名称：

  1,3-Diphenylpropane-1,3-diamines XII [1]. A Novel Approach to Stereodefined Oximes and Oxime Ethers of Monothioketalized 1,3-Diketones and their Conversion to 3-Aminooximes

  摘要：

  Mono-O,O- and mono-S,S-ketals of 1,3-diphenylpropane-1,3-diones react with hydroxylamine hydrochloride and O-methylhydroxylamine hydrochloride affording mixtures of (E/Z) isomers which are hard to separate or an even unseparable. Isomerically pure oximes and O-methyloximes, however, are obtained either from 2-lithiated 1,3-dithianes and alpha-halogeno-oximes and alpha-halogeno-oxime ethers, resp., or from lithiated oxime ethers and dithienium salts. Reduction, acetylation, hydrolysis of the ketal increment, and oximation afford 3-amino-oximes which are precursors of 1,3-diphenylpropane-1,3-diamines.

  DOI：

  10.1007/pl00013502

文献信息

• The first catalytic inverse-electron demand hetero-Diels–Alder reaction of nitroso alkenes using pyrrolidine as an organocatalyst
  作者：Tobias C. Wabnitz、Steen Saaby、Karl Anker Jørgensen

  DOI：10.1039/b316518c

  日期：——

  The first catalytic inverse-electron demand hetero-Diels-Alder reaction of nitroso alkenes has been developed. Nitroso alkenes were generated in situ from alpha-halooximes and underwent [4 + 2]-cycloadditions with enamines as dienophiles formed from aldehydes and pyrrolidine (10 mol%) as an organocatalyst. The presence of a suitable heterogeneous buffer system was found to be essential and best results

  已经开发了亚硝基烯烃的第一个催化的反电子需求杂Diels-Alder反应。亚硝基烯烃是由α-卤代肟原位生成的，并与烯醛进行[4 + 2]-环加成反应，形成二烯亲和物，由醛和吡咯烷（10摩尔％）作为有机催化剂形成。发现合适的异质缓冲系统的存在是必不可少的，并且用三水合乙酸钠可获得最佳结果。在温和的反应条件下以中等至良好的产率获得了所得的5，6-二氢-4H-恶嗪。已经提出了催化循环并获得了环加成机理的证据。当使用手性仲胺时，观察到中等的不对称诱导（42％ee）。
• Silver-mediated radical cyclization: construction of Δ2-isoxazolines from α-halo ketoximes and 1,3-dicarbonyl compounds
  作者：Yan-Yun Liu、Xu-Heng Yang、Ji Yang、Ren-Jie Song、Jin-Heng Li

  DOI：10.1039/c4cc02084g

  日期：——

  A novel route to Delta(2)-isoxazolines is presented via silver-mediated radical cyclization of alpha-halo ketoximes with 1,3-dicarbonyl compounds. This method is performed using a radical strategy, and represents a new example of silver-initiated generation of oxime radicals for the formation of the C(sp(3))-O bonds.

  通过银介导的含1,3-二羰基化合物的α-卤代酮肟的自由基环化反应，提出了一种通往Delta（2）-异恶唑啉的新途径。此方法是使用自由基策略执行的，代表了由银引发的肟自由基生成C（sp（3））-O键的新示例。
• Synthesis of 6-alkoxy-3-aryl-6-trimethylsilyloxy-5,6-dihydro-4H-1,2-oxazines and their acid-catalysed hydrolysis leading to 3-aryl-5,6-dihydro-4H-1,2-oxazin-6-ones and/or 4-aryl-4-(hydroxyimino)butyric acid esters
  作者：Shigeo Tanimoto、Hideshi Matsumoto、Makoto Hojo、Akio Toshimitsu

  DOI：10.1039/p19910003153

  日期：——

  α-nitrosostyrene and its ring-substituted derivatives, which are generated by the reaction of α-chloroacetophenone oxime and its ring-substituted derivatives with K2CO3 in tetrahydrofuran, with ketene trimethylsilyl acetals proceeds to afford 6-alkoxy-3-aryl-6-trimethylsilyloxy-5,6-dihydro-4H-1,2-oxazines. These oxazines are susceptible to hydrochloric acid-catalysed hydrolysis affording 3-aryl -5,6-dihydro-4H-1

  由α-氯苯乙酮肟及其环取代的衍生物与K 2 CO 3在四氢呋喃中的反应生成的α-亚硝基苯乙烯及其环取代的衍生物与乙烯酮三甲基甲硅烷基乙缩醛的环加成反应得到6-烷氧基-3 -芳基-6-三甲基甲硅烷氧基-5,6-二氢-4 H -1,2-恶嗪。这些恶嗪易受盐酸催化的水解，得到3-芳基-5,6-二氢-4 H -1,2-恶嗪6-1和/或4-芳基-4-（羟基亚氨基）丁酸酯。
• Reactions of Monohalomethyl Aryl Ketoximes with Tetrasulfur Tetranitride: Much Improved Synthesis of 3-Aryl-1,2,5-thiadiazoles
  作者：Kyongtae Kim、Jaeeock Cho

  DOI：10.3987/com-94-6755

  日期：——

  Reactions of chloromethyl aryl ketoximes (1, X = Cl) with tetrasulfur tetranitride in p-dioxane at reflux for 4 h afforded 3-aryl-1,2,5-thiadiazoles (2) in 37-92% yields, whereas those of bromo analogs under the same conditions gave 2 and 3-aryl-4-bromo-1,2,5-thiadiazoles (3) in 48-81% and 17-31% yields, respectively. However, the compounds (3) were not formed in the presence of pyridine. Alpha-nitrosostyrene and its ring-substituted derivatives (4) are proposed as intermediates for the formations of 2.
• Venugopalan; Sathe; De Souza, E. Pinto, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1996, vol. 35, # 5, p. 475 - 477
  作者：Venugopalan、Sathe、De Souza, E. Pinto

  DOI：——

  日期：——