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Synthesis of pyrido[1,2-b]indazoles via aryne [3 + 2] cycloaddition with N-tosylpyridinium imides.
Zhao, Jingjing; Wu, Chunrui; Li, Pan; Ai, Wenying; Chen, Hongli; Wang, Chaojie; Larock, Richard C; Shi, Feng.
Affiliation
  • Zhao J; Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province, Henan University, Jinming Campus, Kaifeng, Henan 475004, P. R. China.
J Org Chem ; 76(16): 6837-43, 2011 Aug 19.
Article in En | MEDLINE | ID: mdl-21755977
ABSTRACT
The [3 + 2] cycloaddition of arynes with N-tosylpyridinium imides, followed by an elimination of Ts(-), affords pyrido[1,2-b]indazoles under mild reaction conditions in good yields.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Pyridinium Compounds / Imides / Indazoles Language: En Journal: J Org Chem Year: 2011 Document type: Article
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Pyridinium Compounds / Imides / Indazoles Language: En Journal: J Org Chem Year: 2011 Document type: Article