Crinine

Crinine in an alkaloid found in a variety of plants including many species in the family Amaryllidaceae. It was first isolated and characterized in the 1950s as a constituent of several plants in the genus Crinum, from which it derives its name.

Several laboratory syntheses of crinine have been reported.

Related compounds
There are many alkaloids with a chemical structure similar to crinine and they are generally referred to as crinine-type alkaloids. As of 2020, there were at least 85 known crinine-type alkaloids.