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Facile One-Pot Syntheses of Amidines and Enamines from Oximes via Beckmann Rearrangement Using Trifluoromethanesulfonic Anhydride
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- Takuwa Tomofumi
- The Kitasato Institute, Center for Basic Research
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- Minowa Tomofumi
- The Kitasato Institute, Center for Basic Research
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- Onishi Jim Yoshitaka
- The Kitasato Institute, Center for Basic Research
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- Mukaiyama Teruaki
- The Kitasato Institute, Center for Basic Research Kitasato Institute for Life Science, Kitasato University
Bibliographic Information
- Other Title
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- Facile One-pot Syntheses of Amidines and Enamines from Oximes via Beckmann Rearrangement Using Trifluoromethansulfonic Anhydride
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Description
Iminocarbocation intermediates were in situ-generated by treating various oximes with trifluoromethanesulfonic anhydride (Tf2O) in the presence of triethylamine in toluene and nucleophilic trapping with amines or sodium enolates under mild conditions afforded the corresponding amidines and enamines. Some of the thus-obtained enamines were converted to 2-substituted 4-oxo-3-quinolinecarboxylic acid derivatives by subsequent intramolecular Friedel–Crafts acylation.
Journal
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- Bulletin of the Chemical Society of Japan
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Bulletin of the Chemical Society of Japan 77 (9), 1717-1725, 2004
The Chemical Society of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282679106069632
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- NII Article ID
- 130004423378
- 130004151778
- 10013584527
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- NII Book ID
- AA00580132
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- ISSN
- 13480634
- 13480715
- 00092673
- 03667022
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- NDL BIB ID
- 7077191
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed