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troparil
Troparil (also known as (–)-2β-Carbomethoxy-3β-phenyltropane, WIN 35,065-2, or β-CPT) is a stimulant drug used in scientific research. Troparil is a phenyltropane based dopamine reuptake inhibitor (DRI) and is derived from methylecgonidine. Troparil is documented to be a few times more potent than cocaine as a dopamine reuptake inhibitor, but is less potent as a serotonin reuptake inhibitor, and has a duration spanning a few times longer, since the phenyl ring is directly connected to tropane through a non-hydrolyzable carbon-carbon bond. The lack of an ester linkage removes the local anesthetic action from the drug, so troparil is a pure stimulant. This change in activity also makes troparil slightly less cardiotoxic than cocaine. The most commonly used form of troparil is the tartrate salt, but the hydrochloride and naphthalenedisulfonate salts are also available, as well as the free base.
==Background==
The first known published synthesis of troparil and WIN 35,428 is by Clarke and co-workers during the 1970s.〔 Apparently it was their intention to separate the stimulant actions of cocaine from its toxicity and dependence liability. Troparil is the only regular phenyltropane having a NET affinity that exceeds the DAT affinity.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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