Metal-Free, PPA-Mediated Fisher Indole Synthesis via Tandem Hydroamination–Cyclization Reaction between Simple Alkynes and Arylhydrazines
A new variant of Fisher indole synthesis involving Bronsted acid-catalyzed hydrohydrazination of unactivated terminal and internal acetylenes with arylhydrazines is reported. The use of polyphosphoric acid alone either as the reaction medium or in the presence of a co-solvent appears to provide the...
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| Главные авторы: | , , , , , , , , , , , , , , , |
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| 格式: | Статья |
| 語言: | English |
| 出版: |
Multidisciplinary Digital Publishing Institute (MDPI)
2024
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| 主題: | |
| 在線閱讀: | https://dspace.ncfu.ru/handle/123456789/29159 |
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