Baeyer–Emmerling indole synthesis

The Baeyer–Emmerling indole synthesis is a method for synthesizing indole from a (substituted) ortho-nitrocinnamic acid and iron powder in strongly basic solution. This reaction was discovered by Adolf von Baeyer and Adolph Emmerling in 1869.

Baeyer–Emmerling indole synthesis
Named after Adolf von Baeyer
Adolph Emmerling
Reaction type Ring forming reaction
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