In the 1930s, interest in indole intensified when it became known that the indole substituent is present in many important alkaloids, known as indole alkaloids (e.g., tryptophan and auxins), …

Indole is a metabolite found in or produced by Escherichia coli (strain K12, MG1655).

Indole, first isolated in 1866, has the molecular formula C 8 H 7 N, and it is commonly synthesized from phenylhydrazine and pyruvic acid, although several other procedures have been discovered.

Jun 24, 2025 · Indole is an aromatic, heterocyclic organic compound with a dual nature regarding its scent. In high concentrations, it has an intense fecal odor, yet in very dilute solutions, it …

Aug 17, 2025 · Indole, also known as 1-benzo [b]pyrrole, is an aromatic heterocyclic organic compound that has a bicyclic structure (a benzene fused to a pyrrole) with the chemical …

Indole has enhanced the incidence of bladder cancer in some bioassays, for example, addition of indole to a diet containing 2-acetylaminofluorene produced an increased incidence of bladder …

Indole is a nitrogen-containing heterocycle used in the total synthesis of compounds such as goniomitine, [1] (−)-isatisine A, [2] and (±)-aspidospermidine. [3] It is used as an electron donor …

Jul 28, 2025 · Beyond industrial uses, indole holds profound biological significance. It is a direct precursor to the amino acid tryptophan, which the human body obtains from diet.

Indole is a heterocyclic aromatic organic compound composed of a benzene ring fused to a five-membered nitrogen-containing pyrrole ring. It is a key structural component found in various …

Apr 22, 2022 · Indole, also called benzopyrrole, an aromatic heterocyclic organic compound occurring in some flower oils, such as jasmine and orange blossom, in coal tar, and in fecal …