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Baeyer–Drewsen indigo synthesis

organic reaction in which indigo is prepared from 2-nitrobenzaldehyde and acetone
Thing type_of_chemical_reaction Q3112963
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Summary

Baeyer–Drewsen indigo synthesis is a type of chemical reaction[1]. It draws 393 Wikipedia views per month (type of chemical reaction category, ranking #41 of 230).[2]

Key Facts

  • Named after: Adolf von Baeyer[3], Viggo Drewsen[4]
  • Commons category: Baeyer-Drewsen indigo synthesis[5]

Why It Matters

Baeyer–Drewsen indigo synthesis has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[6] It is known by 16 alternative names across languages and contexts.[7]

Related Entities

Adolf von Baeyer

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [6] ↑ . Wikidata sitelinks. wikidata.org.
  3. [7] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Baeyer–Drewsen indigo synthesis. Retrieved October 25, 2026, from https://4ort.xyz/entity/baeyer-drewson-indigo-synthesis
MLA “Baeyer–Drewsen indigo synthesis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 25 Oct. 2026, https://4ort.xyz/entity/baeyer-drewson-indigo-synthesis.
BibTeX @misc{4ortxyz_baeyer-drewson-indigo-synthesis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Baeyer–Drewsen indigo synthesis}}, year = {2026}, url = {https://4ort.xyz/entity/baeyer-drewson-indigo-synthesis}, note = {Accessed: 2026-10-25}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Baeyer–Drewsen indigo synthesis — https://4ort.xyz/entity/baeyer-drewson-indigo-synthesis (retrieved 2026-10-25)

Canonical URL: https://4ort.xyz/entity/baeyer-drewson-indigo-synthesis · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 11w ago · Leyo · 2026-08-07 view diff on Wikidata ↗
    Instance of → —
    Named after → Adolf von Baeyer, Viggo Drewsen
    Commons category → Baeyer-Drewsen indigo synthesis
    Aliases → —
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ Commons category: Baeyer-Drewsen indigo synthesis"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.