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Counter-Ion-Dependent Alkyne Iminium Ion Cyclization for Divergent Synthesis of N-Fused Indolylidine, Indole, and Indoline Derivatives Promoted by the Lewis/ …

SJ Gharpure, YG Shelke, DP Kumar

文献索引：Yeh, Ming-Chang P.; Liang, Chia-Jung; Huang, Tzu-Lin; Hsu, Hsiao-Ju; Tsau, Yu-Shuo Journal of Organic Chemistry, 2013 , vol. 78, # 11 p. 5521 - 5529

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被引用次数: 5

摘要

... Select a Journal or Book ... cyclization using TMSOTf as the Lewis acid was studied with a variety of substituted γ-hydroxy lactams 7b–j (Scheme 3 ... To our surprise, rather than the expected triflates 13k–p, this reaction furnished exclusively the indolyl ketone derivatives 10a–f in ...