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Synthesis of (2H)-Indazoles through Rh(III)-Catalyzed Annulation Reaction of Azobenzenes with Sulfoxonium Ylides
The Journal of Organic Chemistry ( IF 3.3 ) Pub Date : 2018-03-16 00:00:00 , DOI: 10.1021/acs.joc.8b00501
Hyunjung Oh 1 , Sangil Han 1 , Ashok Kumar Pandey 1 , Sang Hoon Han 1 , Neeraj Kumar Mishra 1 , Saegun Kim 1 , Rina Chun 1 , Hyung Sik Kim 1 , Jihye Park 1 , In Su Kim 1
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The rhodium(III)-catalyzed C–H functionalization followed by intramolecular annulation reactions between azobenzenes and sulfoxonium ylides is described. This protocol leads to the efficient formation of 3-acyl (2H)-indazoles with a range of substrate scope. A high level of chemoselectivity and functional group tolerance of this transformation were also observed.

中文翻译:

Rh(III)催化偶氮苯与磺化ulf叶立德环合反应合成(2 H)-吲唑

描述了铑(III)催化的CH官能化,然后进行偶氮苯和亚砜基磺酸盐之间的分子内环化反应。该方案可有效形成具有一定范围底物范围的3-酰基(2 H)-吲唑。还观察到该转化的高水平的化学选择性和官能团耐受性。
更新日期:2018-03-16
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