Scopoleine is a chemical compound commonly used as a pharmaceutical ingredient. Its pronunciation is [skɒpəliːn], with the stress on the second syllable. The first syllable, "sco", is pronounced with an "s" followed by a "k" consonant cluster, and the second syllable, "po", is pronounced with an "o" sound as in "open". The third syllable, "lein", contains the long "e" and the voiced "n" sound. The overall spelling of "scopoleine" reflects the word's Greek origin and its scientific context.
Scopoleine is a chemical compound that belongs to the tropane alkaloid class of substances derived from plants. It is derived from scopoline, a naturally occurring alkaloid that is found in various plant species, including nightshade plants such as henbane and belladonna.
Chemically, scopoleine is described as a tertiary amine with a tropane ring structure. It is also known by its systematic name, 7-methyl-8-azabicyclo[3.2.1]octan-3-ol.
Scopoleine has been historically recognized for its medicinal properties, primarily for its anticholinergic effects. As an anticholinergic agent, it blocks the activity of acetylcholine, a neurotransmitter responsible for transmitting signals in the nervous system. This action inhibits certain involuntary muscle movements and secretions, making it useful in mitigating symptoms such as excessive sweating, tremors, and gastrointestinal disturbances.
Due to its pharmacological effects, scopoleine has been utilized in various medical applications. It is used as a pre-anesthetic to reduce salivation and excessive respiratory secretions before surgery. It may also be employed as an adjunct in the treatment of various gastrointestinal conditions like peptic ulcers and irritable bowel syndrome.
However, caution must be exercised when using scopoleine, as it can lead to adverse side effects such as dry mouth, blurred vision, rapid heartbeat, and urinary retention. It may also have interactions with other medications, emphasizing the importance of consultation with a healthcare professional before its use.
An alkaloid from scopola possessing mydriatic properties.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.