Naturally occurring quinoline is found in coal and peat. 5 Quinoline can also be found in the air from industrial and other processes, but degrades within a few days. Quinoline released into the soil is more persistent and has been found in groundwater by MPCA.

What is quinoline found in?

The quinoline alkaloids are mainly found in plants, as in Rutaceae and Rubiaceae, but also in microorganisms and animals. Quinoline is furthermore comprised as a partial structure in the redox factor PQQ (pyrroloquinoline quinone) and in quinoenzymes.

What drug class contains quinoline Hetrocycle?

Many new therapeutic agents have been developed by using quinoline nucleus. Hence, quinoline and its derivatives form an important class of heterocyclic compounds for the new drug development.