LR-5182
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LR-5182 is a
stimulant Stimulants (also often referred to as psychostimulants or colloquially as uppers) is an overarching term that covers many drugs including those that increase activity of the central nervous system and the body, drugs that are pleasurable and inv ...
drug which acts as a norepinephrine–dopamine reuptake inhibitor, structurally related to the better known drug
fencamfamine Fencamfamin ( INN), also known as fencamfamine or by the brand names Glucoenergan and Reactivan, is a stimulant which was developed by Merck in the 1960s. Medical uses Fencamfamin is still used, though rarely, for treating depressive day-time fa ...
. It was developed by the pharmaceutical company
Eli Lilly Eli Lilly (July 8, 1838 – June 6, 1898) was an American soldier, pharmacist, chemist, and businessman who founded the Eli Lilly and Company pharmaceutical corporation. Lilly enlisted in the Union Army during the American Civil War and r ...
in the 1970s, and researched for potential use as an
antidepressant Antidepressants are a class of medication used to treat major depressive disorder, anxiety disorders, chronic pain conditions, and to help manage addictions. Common side-effects of antidepressants include dry mouth, weight gain, dizziness, hea ...
, although never marketed. LR-5182 has two
stereoisomers In stereochemistry, stereoisomerism, or spatial isomerism, is a form of isomerism in which molecules have the same molecular formula and sequence of bonded atoms (constitution), but differ in the three-dimensional orientations of their atoms in ...
, both of which are active, although one isomer blocks reuptake of only dopamine and noradrenaline, while the other blocks reuptake of serotonin as well. While LR-5182 itself never proceeded beyond initial animal studies, discovery of monoamine reuptake inhibition activity and stimulant effects in drugs of this type has subsequently led to the development of many other stimulant drugs of related chemical structure, primarily developed as potential antidepressants, or as substitute drugs for the treatment of
cocaine Cocaine (from , from , ultimately from Quechuan languages, Quechua: ''kúka'') is a central nervous system (CNS) stimulant mainly recreational drug use, used recreationally for its euphoria, euphoric effects. It is primarily obtained from t ...
abuse. LR-5659 is planar and contains a Bicyclo-octene. This itself is fully active: DA 9nM, NE 27nM, SER 0.6 μM.


References

{{Monoamine reuptake inhibitors Eli Lilly and Company brands Norepinephrine–dopamine reuptake inhibitors Stimulants Chloroarenes