SIMPLIFIED METHOD FOR OBTAINING 3-BROMINDOL-5,6-DICARBONITRILS FROM 1-HYDROXINDOL-5,6-DICARBONITRILES
Abstract and keywords
Abstract (English):
A simplified two-stage method was developed for the preparation of 2-aryl-3-bromoindole-5,6-dicarbonitriles from 2-aryl-1-hydroxyindole-5,6-dicarbonitriles, based on direct bromination with bromine and subsequent dehydroxylation of the resulting intermediates.

Keywords:
bromination, brom, N-bromosuccinimide, 1-hydroxyindole-5,6-dicarbonitrile, 3-bromoindole-5,6-dicarbonitrile
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References

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