Tropane is a bicyclic organic compound that contains a nitrogen atom in its structure. It is derived from the tropic acid and is known for its role in the synthesis of various alkaloids, which are naturally occurring compounds that often have significant pharmacological effects. Tropane derivatives, such as atropine and scopolamine, are commonly used in medicine for their anticholinergic properties. The tropane structure consists of a six-membered and a five-membered ring, making it a unique and important compound in organic chemistry. Its derivatives are found in several plants, including henbane and belladonna, and have applications in treating conditions like motion sickness and muscle spasms.