Chemistry:2,5-Dimethoxy-4-bromoamphetamine
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 (R)-isomer
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| Preferred IUPAC name
1-(4-Bromo-2,5-dimethoxyphenyl)propan-2-amine | |
| Other names
4-Bromo-2,5-dimethoxy-amphetamine
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| Properties | |
| C11H16BrNO2 | |
| Molar mass | 274.15 g/mol |
| Melting point | 63 to 65 °C (145 to 149 °F; 336 to 338 K) (207–208 °C hydrochloride) |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Dimethoxybromoamphetamine (DOB), also known as brolamfetamine (INN)[1] and bromo-DMA, is a psychedelic drug and substituted amphetamine of the phenethylamine class of compounds. DOB was first synthesized by Alexander Shulgin in 1967.[2][3] Its synthesis and effects are documented in Shulgin's book PiHKAL: A Chemical Love Story.
Chemistry
The full name of the chemical is 2,5-dimethoxy-4-bromoamphetamine. DOB has a stereocenter and R-(−)-DOB is the eutomer. This is an important finding as it is suggestive that it is targeting different receptors relative to most other phenethylamines (e.g. MDMA) where the R-isomer serves as the distomer. The toxicity of DOB is not fully known, although high doses may cause serious vasoconstriction of the extremities. DOB is one of the most potent compounds in PiHKAL; while the active dose is similar to that of DOI, another psychedelic amphetamine, DOB has been shown to have a higher efficacy in triggering downstream effects mediated by 5-HT2 receptors,[4] making it likely to be slightly more dangerous than DOI in overdose, due to greater vasoconstrictive action. Omission of the amphetamine related α-methyl leads to 2C-B, a compound that possesses a lower affinity for the 5-HT2A receptor and is a weaker receptor agonist which results in drastically reduced vasoconstriction.[citation needed]
Pharmacology
DOB is a 5-HT2A, 5-HT2B, and 5-HT2C receptor agonist or partial agonist.[5] Its psychedelic effects are mediated by its agonistic properties at the 5-HT2A receptor. Due to its selectivity, DOB is often used in scientific research when studying the 5-HT2 receptor subfamily. It is an agonist of human TAAR1.[6]
It has been suggested that DOB is a prodrug metabolized in the lungs.[2][7]
Excessively high doses of this hallucinogen may cause diffuse arterial spasm.[8] The vasospasm responded readily to intra-arterial and intravenous vasodilators, such as tolazoline.
Legal status
Internationally DOB is a Schedule I substance under the Convention on Psychotropic Substances and the drug is legal only for medical, industrial or scientific purposes.[9]
Canada
Listed as a Schedule 1 as it is an analogue of amphetamine.[10]
Australia
DOB is considered a Schedule 9 prohibited substance in Australia under the Poisons Standard (February 2017).[11] A Schedule 9 substance is a substance which may be abused or misused, the manufacture, possession, sale or use of which should be prohibited by law except when required for medical or scientific research, or for analytical, teaching or training purposes with approval of Commonwealth and/or State or Territory Health Authorities.[11]
Russia
Schedule I, possession of at least 10 mg is a criminal offence.[12]
United Kingdom
DOB is a Class A drug in the United Kingdom under the Misuse of Drugs Act 1971.
See also
- 2,5-Dimethoxy-4-Substituted Amphetamines
- 2C-B - the alpha-desmethyl derivative of DOB
- 4C-B - the alpha-ethyl homologue of DOB
- β-Methyl-2C-B
- DOB-FLY
References
- ↑ World Health Organization (2000). International Nonproprietary Names (INN) for Pharmaceutical Substances. World Health Organization. ISBN 978-0-11-986227-0. https://books.google.com/books?id=HcogPwAACAAJ.
- ↑ 2.0 2.1 Erowid Online Books: "PiHKAL" - #62 DOB
- ↑ Shulgin, A.T.; Sargent, T.; Naranjo, C. (1971). "4-Bromo-2,5-Dimethoxyphenylisopropylamine, a New Centrally Active Amphetamine Analog". Pharmacology 5 (2): 103–107. doi:10.1159/000136181. PMID 5570923.
- ↑ Parrish, Jason C.; Braden, Michael R.; Gundy, Emily; Nichols, David E. (2005-12-01). "Differential phospholipase C activation by phenylalkylamine serotonin 5-HT2A receptor agonists" (in en). Journal of Neurochemistry 95 (6): 1575–1584. doi:10.1111/j.1471-4159.2005.03477.x. ISSN 1471-4159. PMID 16277614.
- ↑ Ray, T. S. (2010). "Psychedelics and the Human Receptorome". PLOS ONE 5 (2): e9019. doi:10.1371/journal.pone.0009019. PMID 20126400. Bibcode: 2010PLoSO...5.9019R.
- ↑ Lewin, A. H.; Miller, G. M.; Gilmour, B. (2011). "Articleid 50034244". Binding Database 19 (23): 7044–7048. doi:10.1016/j.bmc.2011.10.007. PMID 22037049. PMC 3236098. http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_pubmed.jsp?pubmed=50034244&pubmed_submit=TBD. Retrieved 29 April 2014.
- ↑ Shulgin (2005-05-03). "Ask Dr. Shulgin Online: DOB and Other Possible Prodrugs". http://www.cognitiveliberty.org/shulgin/blg/2005/05/dob-and-other-possible-prodrugs.html.
- ↑ Bowen, J. Scott; Davis, Gary B.; Kearney, Thomas E. (1983-03-18). "Diffuse Vascular Spasm Associated With 4-Bromo-2,5-Dimethoxyamphetamine Ingestion" (in en). JAMA: The Journal of the American Medical Association 249 (11): 1477–1479. doi:10.1001/jama.1983.03330350053028. ISSN 0098-7484. PMID 6827726. http://jama.jamanetwork.com/article.aspx?doi=10.1001/jama.1983.03330350053028.
- ↑ "List of psychotropic substances under international control". http://www.incb.org/pdf/e/list/green.pdf.
- ↑ [1] (in English)
- ↑ 11.0 11.1 Poisons Standard October 2015 https://www.comlaw.gov.au/Details/F2015L01534
- ↑ "Постановление Правительства РФ от 01.10.2012 N 1002 "Об утверждении значительного, крупного и особо крупного размеров наркотических средств и психотропных веществ, а также значительного, крупного и особо крупного размеров для растений, содержащих наркотические средства или психотропные вещества, либо их частей, содержащих наркотические средства или психотропные вещества, для целей статей 228, 228.1, 229 и 229.1 Уголовного кодекса Российской Федерации" (с изменениями и дополнениями) | ГАРАНТ". http://base.garant.ru/70237124/.
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