|Systematic (IUPAC) name|
|Molar mass||392.92 g/mol[[Script error: No such module "String".]]|
|Script error: No such module "collapsible list".|
RTI-177 (2β-(3-phenylisoxazol-5-yl)-3β-(4-chlorophenyl)tropane, β-CPPIT) is a synthetic stimulant drug from the phenyltropane family, which acts as a DRI with micromolar affinity for the SERT. RTI-177 has an unusually long duration of action of 20 hours or more, substantially longer than the related compound RTI-336 from which it differs in molecular structure only by the absence of a p-methyl group.
"the nonselective monoamine transporter inhibitor RTI-126 and the DAT-selective inhibitors RTI-150 and RTI-336 both had a faster rate of onset (30 min) and a short duration of action (4h). In contrast, the nonselective monoamine transporter inhibitor RTI-112 had a slower rate of onset (30–60 min) and a longer duration of action (10h). The DAT-selective inhibitors RTI-171 and RTI-177 also had slower rates of onset (30–120 min), but RTI-171 had a short duration of action (2.5 h) while RTI-177 had a very long duration of action (20 h)."
|Coc||—||—||89.1||3298 (1986)||1045 (45)|
|177||Cl||phenyl||1.28||504 (304)||2420 (220)|
|176||Me||phenyl||1.58||398 (239)||5110 (465)|
|354||Me||ethyl||1.62||299 (180)||6400 (582)|
|336||Cl||p-cresyl||4.09||1714 (1033)||5741 (522)|
|386||Me||p-anisoyl||3.93||756 (450)||4027 (380)|
In the Lindsey paper, RTI-177 was wrongly considered to be a dual inihibitor of the NET, although this was later found out to be incorrect (despite being written in plain English).[weasel words]
"In acute toxicity studies in male rats, 3β-(4-chlorophenyl)-2β-[3-(4’-methylphenyl)isoxazol-5-yl]tropane (RTI-336) possessed an LD50 of 180 mg/kg after oral administration, compared with 49 mg/kg for RTI-177 (unpublished results, Howell 2005; Table 9). These results suggested that RTI-336 was a better candidate than RTI-177 for further preclinical development."
Also the potency of the heterocyclic compounds is not as great as would be predicted based on in vitro test results.
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-  Lindsey, K.P., Wilcox, K.M., Votaw, J.R., Goodman, M.M., Plisson, C., Carroll, F.I., Rice, K.C., Howell, L.L. Effects of dopamine transporter inhibitors on cocaine self-administration in rhesus monkeys: relationship to transporter occupancy determined by positron emission tomography neuroimaging. Journal of Pharmacology and Experimental Therapeutics, 309: 959-969, 2004.
-  Carroll FI, Howard JL, Howell LL, Fox BS, Kuhar MJ. Development of the dopamine transporter selective RTI-336 as a pharmacotherapy for cocaine abuse. AAPS J. 2006 Mar 24;8(1):E196-203.
-  Kimmel HL, O'Connor JA, Carroll FI, Howell LL. Faster onset and dopamine transporter selectivity predict stimulant and reinforcing effects of cocaine analogs in squirrel monkeys. Pharmacol Biochem Behav. 2007 Jan;86(1):45-54.