para-Chloroamphetamine
(Redirected from Chloroamphetamine)
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| Other names | PCA; 4-Chloroamphetamine; 4-CA |
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| Formula | C9H12ClN |
| Molar mass | 169.65 g·mol−1 |
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para-Chloroamphetamine (PCA), also known as 4-chloroamphetamine (4-CA), is a substituted amphetamine and monoamine releaser similar to MDMA, but with substantially higher neurotoxicity, thought to be due to the unrestrained release of both serotonin and dopamine by a metabolite.[1] It is used as a neurotoxin by neurobiologists to selectively kill serotonergic neurons for research purposes, in the same way that 6-hydroxydopamine is used to kill dopaminergic neurons.[2][3][4][5]
para-Chloroamphetamine has been detected as an apparent designer drug,[6] along with the related 3-chloroamphetamine, which is even more potent as a releaser of dopamine and serotonin but slightly less neurotoxic.[7][8][9][10][11]
The closely related N-methylated derivative, para-chloromethamphetamine (CMA), which is metabolized to para-chloroamphetamine in vivo, has neurotoxic properties as well.
Legal status[edit]
China[edit]
As of October 2015, 4-CA is a controlled substance in China.[12]
See also[edit]
- Substituted amphetamines
- para-Chloromethamphetamine (4-CMA)
- Chlorphentermine
- 3,4-Dichloroamphetamine (DCA)
- 4-Fluoroamphetamine (4-FA)
- 4-Methylamphetamine (4-MA)
- 5,7-Dihydroxytryptamine (5,7-DHT)
- para-Bromoamphetamine (PBA)
- para-Iodoamphetamine (PIA)
References[edit]
- ^ Miller KJ, Anderholm DC, Ames MM (May 1986). "Metabolic activation of the serotonergic neurotoxin para-chloroamphetamine to chemically reactive intermediates by hepatic and brain microsomal preparations". Biochemical Pharmacology. 35 (10): 1737–1742. doi:10.1016/0006-2952(86)90332-1. PMID 3707603.
- ^ Gal EM, Cristiansen PA, Yunger LM (January 1975). "Effect of p-chloroamphetamine on cerebral tryptophan-5-hydroxylase in vivo: a reexamination". Neuropharmacology. 14 (1): 31–39. doi:10.1016/0028-3908(75)90063-5. PMID 125387. S2CID 1068793.
- ^ Curzon G, Fernando JC, Marsden CA (August 1978). "5-Hydroxytryptamine: the effects of impaired synthesis on its metabolism and release in rat". British Journal of Pharmacology. 63 (4): 627–634. doi:10.1111/j.1476-5381.1978.tb17275.x. PMC 1668117. PMID 80243.
- ^ Colado MI, Murray TK, Green AR (March 1993). "5-HT loss in rat brain following 3,4-methylenedioxymethamphetamine (MDMA), p-chloroamphetamine and fenfluramine administration and effects of chlormethiazole and dizocilpine". British Journal of Pharmacology. 108 (3): 583–589. doi:10.1111/j.1476-5381.1993.tb12846.x. PMC 1908028. PMID 7682129.
- ^ Freo U, Pietrini P, Pizzolato G, Furey M, Merico A, Ruggero S, et al. (November 1995). "Cerebral metabolic responses to clomipramine are greatly reduced following pretreatment with the specific serotonin neurotoxin para-chloroamphetamine (PCA). A 2-deoxyglucose study in rats". Neuropsychopharmacology. 13 (3): 215–222. doi:10.1016/0893-133X(95)00053-G. PMID 8602894.
- ^ Lin TC, Lin DL, Lua AC (May 2011). "Detection of p-chloroamphetamine in urine samples with mass spectrometry". Journal of Analytical Toxicology. 35 (4): 205–210. doi:10.1093/anatox/35.4.205. PMID 21513613.
- ^ Fuller RW, Schaffer RJ, Roush BW, Molloy BB (May 1972). "Drug disposition as a factor in the lowering of brain serotonin by chloroamphetamines in the rat". Biochemical Pharmacology. 21 (10): 1413–1417. doi:10.1016/0006-2952(72)90365-6. PMID 5029422.
- ^ Ogren SO, Ross SB (October 1977). "Substituted amphetamine derivatives. II. Behavioural effects in mice related to monoaminergic neurones". Acta Pharmacologica et Toxicologica. 41 (4): 353–368. doi:10.1111/j.1600-0773.1977.tb02674.x. PMID 303437.
- ^ Ross SB, Kelder D (May 1979). "Inhibition of 3H-dopamine accumulation in reserpinized and normal rat striatum". Acta Pharmacologica et Toxicologica. 44 (5): 329–335. doi:10.1111/j.1600-0773.1979.tb02339.x. PMID 474143.
- ^ Fuller RW, Baker JC (November 1974). "Long-lasting reduction of brain 5-hydroxytryptamine concentration by 3-chloramphetamine and 4-chloroamphetamine in iprindole-treated rats". The Journal of Pharmacy and Pharmacology. 26 (11): 912–914. doi:10.1111/j.2042-7158.1974.tb09206.x. PMID 4156568. S2CID 41833796.
- ^ Ross SB, Ogren SO, Renyi AL (October 1977). "Substituted amphetamine derivatives. I. Effect on uptake and release of biogenic monoamines and on monoamine oxidase in the mouse brain". Acta Pharmacologica et Toxicologica. 41 (4): 337–352. doi:10.1111/j.1600-0773.1977.tb02673.x. PMID 579062.
- ^ "关于印发《非药用类麻醉药品和精神药品列管办法》的通知" (in Chinese). China Food and Drug Administration. 27 September 2015. Archived from the original on 1 October 2015. Retrieved 1 October 2015.