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Baeyer–Drewsen indigo synthesis

Organic reaction in which indigo is prepared from 2-nitrobenzaldehyde and acetone

Baeyer–Drewsen indigo synthesis

Organic reaction in which indigo is prepared from 2-nitrobenzaldehyde and acetone

The Baeyer–Drewsen indigo synthesis (1882) is an organic reaction in which indigo is prepared from 2-nitrobenzaldehyde and acetone{{cite journal

Baeyer-Drewson indigo synthesis

The reaction is classified as an aldol condensation. As a practical route to indigo, this method was displaced by routes from aniline.

Mechanism

Mechnaism of the Baeyer-Drewsen Indigo Synthesis

Note

In the English literature this reaction is sometimes called Baeyer–Drewson reaction, although the author of the original paper was spelled Drewsen.

References

References

  1. "Johannes Pfleger, Chemist".
  2. Elmar Steingruber "Indigo and Indigo Colorants" Ullmann's Encyclopedia of Industrial Chemistry 2004, Wiley-VCH, Weinheim. {{doi. 10.1002/14356007.a14_149.pub2
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