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Novel Cyclodimerization Reactions of 3-Alkenylindoles
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- Kawasaki Ikuo
- Kyoto Pharmaceutical University
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- Taerano Masami
- Kyoto Pharmaceutical University
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- Kurume Ai
- Kyoto Pharmaceutical University
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- Saya Yumiko
- Kyoto Pharmaceutical University
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- Yamashita Masayuki
- Kyoto Pharmaceutical University
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- Ohta Shunsaku
- Kyoto Pharmaceutical University
Bibliographic Information
- Other Title
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- 3-アルケニルインドール誘導体の環化二量化反応
Description
We have found that the treatment of various 1-Boc-3-alkenyl-1H-indoles with excess of TFA gave the seven-membered ring cyclodimers, cyclohepta[1,2-b:4,5-b']diindoles in good to moderate yield, and the same reaction of 2'-(4-oxgenated phenyl)ethenyl derivative provided a mixture of seven-membered ring cyclodimers and the 2,3,4-trans substituted six-membered ring cyclodimers, tetrahydrocarbazoles. On the other hand, the reaction of 1-alkylated or unsubstituted 3-alkenyl-1H-indoles with 1 equivalent of TFA smoothly proceeded to give the 1,3-trans substituted five-membered ring cyclodimers, cyclopent[b]indoles in good yield.
Journal
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- Proceedings of the Symposium on Progress in Organic Reactions and Syntheses
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Proceedings of the Symposium on Progress in Organic Reactions and Syntheses 31 (0), 276-276, 2005
Division of Organic Chemistry, The Pharmaceutical Society of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282680611404928
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- NII Article ID
- 130006997117
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed
