Baeyer–Emmerling indole synthesis

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

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.