Indole

Indole is an aromatic heterocyclic organic compound, which has a double ring structure, including a six membered benzene ring and a five membered nitrogen-containing pyrrole ring, so it is also called benzopyrrole.

Indole is an important organic raw material and fine chemical product. Its homologues and derivatives widely exist in nature, mainly in natural flower oil. It can be widely used to make jasmine, lilac, orange blossom, gardenia, honeysuckle and other flower essence. It is also often used with methyl indole to prepare artificial civet fragrance. A very small amount can be used in essence such as chocolate, strawberry, coffee, nuts, cheese, grapes and fruit flavoring compounds. Indole structures can be found in many organic compounds, such as tryptophan, an essential amino acid of animals, and tryptophan containing proteins. Indole structures are also found in plant auxin (indole-3-acetic acid), indomethacin (indomethacin), vasodilator propranolol, alkaloids and pigments. Indole alkaloids are natural alkaloids widely existing in nature and have antibacterial and It has a wide range of biological activities, such as anti-tumor and anti-virus.