Electrophilic carbonyl activation: competing condensative cyclizations of tryptamine derivatives
A series of tryptamine derived bisindole substrates were subjected to electrophilic activation of the func-tional grouping at their [alpha]-nitrogen in the form of iminium ions to enable cyclization onto the sterically hindered indole substructure. Our observations regarding divergent cyclization ou...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Elsevier,
2017-06-15T17:45:06Z.
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Online Access: | Get fulltext |