Selenium heterocycles

Ebselen (also called PZ 51, DR3305, and SPI-1005), is a synthetic organoselenium molecule under preliminary investigation as a drug candidate. It belongs to the class of compounds related to benzene and its derivatives. It is being developed by the Seattle biotechnology company, Sound Pharmaceuticals, Inc. It has also been reported to target tubulin, blocking its polymerization.

Selenophene is an organic compound with the chemical formula . It is an unsaturated compound containing a five-member ring with four carbon atoms and one selenium atom. It is a selenium analog of furan and thiophene . A colorless liquid, it is one of the more common selenium heterocycles.