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Exo-Cyclization - Intermolecular Methylene Transfer Sequence in Au-Catalyzed Reactions of O-Homopropargylic Oximes.
Chemistry - A European Journal ( IF 4.3 ) Pub Date : 2020-07-03 , DOI: 10.1002/chem.202002764
Itaru Nakamura 1 , Arinobu Hirayama 2 , Shinya Gima 2 , Masahiro Terada 2
Affiliation  

The Au‐catalyzed reactions of O‐homopropaylic oximes afforded the 3‐alkenylated isoxazolines in good to high yields. The mechanistic studies suggest that the reaction proceeds through an exo‐cyclization followed by intermolecular methylene group transfer. In addition, oligomeric species of the starting material were observed in the reaction mixture by mass spectra, supporting our proposed mechanism, which proceeds through a repeated intermolecular C−C bond forming process.

中文翻译:

外环化-O-均丙氧基肟的Au催化反应中的分子间亚甲基转移序列。

Au-同丙基肟肟的Au催化反应可得到高产或高产的3-烯基化异恶唑啉。的机理研究表明,通过在反应进行外切-cyclization随后通过分子间的亚甲基基团转移。此外,通过质谱在反应混合物中观察到了起始物质的低聚体,支持了我们提出的机理,该机理通过重复的分子间C-C键形成过程进行。
更新日期:2020-07-03
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