Journal
CATALYSIS LETTERS
Volume 151, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1007/s10562-020-03271-3
Keywords
Aqueous catalysis; Ring-closing metathesis; Homogeneous catalysis; Artificial metalloenzymes
Categories
Funding
- University of Basel
- NCCR Molecular Systems engineering
- SNF [200020_182046]
- ERC [694424]
- European Research Council (ERC) [694424] Funding Source: European Research Council (ERC)
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The synthesis of N-substituted indoles via ring-closing metathesis of indole precursors with N-terminal alkenes was reported. Good yields (up to 72%) were achieved in aqueous metathesis using commercial catalysts or artificial metalloenzymes. Furthermore, the presence of a second metathesis substrate increased the yield of N-acetylindole.
We report herein the synthesis of N-substituted indoles resulting from the ring-closing metathesis of indole precursors bearing N-terminal alkenes. The aqueous metathesis of the indole precursors gave good yields of N-substituted indoles (up to 72%) with commercial metathesis catalysts and with artificial metalloenzymes based on the biotin-streptavidin technology. Strikingly, the yield of the N-acetylindole increases in presence of a second metathesis substrate. [GRAPHICS] .
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