Нитрат амила и бутила

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Нитрат амила и бутила

A variety of isomers are known, but they all feature an amyl group attached to the nitrite functional group. The alkyl group is unreactive and the chemical and biological properties are mainly due to the nitrite group. Like other alkyl nitrites , amyl nitrite is bioactive in mammals, being a vasodilator , which is the basis of its use as a prescription medicine. As an inhalant, it also has a psychoactive effect, which has led to its recreational use with its smell being described as that of old socks or dirty feet. The term 'amyl nitrite' encompasses several isomers. Despite a very similar name to amyl nitrite, amyl nitrate has a different chemical composition and different properties. The two compounds may be confused, especially by those wishing to purchase 'poppers' amyl nitrite for recreational purposes. Alkyl nitrites are prepared by the reaction of alcohols with nitrous acid: The reaction is called esterification. Synthesis of alkyl nitrites is, in general, straightforward and can be accomplished in home laboratories. A common procedure includes the dropwise addition of concentrated sulfuric acid to a cooled mixture of an aqueous sodium nitrite solution and an alcohol. The intermediately-formed stoichiometric mixture of nitrogen dioxide and nitric oxide then converts the alcohol to the alkyl nitrite, which, due to its low density, will form an upper layer that can be easily decanted from the reaction mixture. Isoamyl nitrite decomposes in the presence of base to give nitrite salts and the isoamyl alcohol:. Amyl nitrite, like other alkyl nitrites, reacts with carbanions to give oximes. Amyl nitrites are also useful as reagents in a modification of the Sandmeyer reaction. The reaction of the alkyl nitrite with an aromatic amine in a halogenated solvent produces a radical aromatic species, this then frees a halogen atom from the solvent. For the synthesis of aryl iodides diiodomethane is used, \\\\\\\\\\\\\\\\\[10\\\\\\\\\\\\\\\\\] \\\\\\\\\\\\\\\\\[11\\\\\\\\\\\\\\\\\] whereas bromoform is the solvent of choice for the synthesis of aryl bromides. Amyl nitrite, in common with other alkyl nitrites , \\\\\\\\\\\\\\\\\[13\\\\\\\\\\\\\\\\\] is a potent vasodilator ; it expands blood vessels , resulting in lowering of the blood pressure. Alkyl nitrites are a source of nitric oxide , which signals for relaxation of the involuntary muscles. Physical effects include decrease in blood pressure, headache, flushing of the face, increased heart rate, dizziness, and relaxation of involuntary muscles, especially the blood vessel walls and the internal and external anal sphincter. There are no withdrawal symptoms. Overdose symptoms include nausea , vomiting , hypotension , hypoventilation , shortness of breath , and fainting. The effects set in very quickly, typically within a few seconds and disappear within a few minutes. Amyl nitrite may also intensify the experience of synesthesia. From Wikipedia, the free encyclopedia. Not to be confused with amyl nitrate. Retrieved 5 February The Handbook of Overdose and Detoxification Emergencies. New Hyde Park, NY. Medical Examination Publishing Co. The Journal of Organic Chemistry. Preparation of symmetrical and non-symmetrical quaterphenyl intermediates'. Journal of the Chemical Society, Perkin Transactions 1: Journal of the Chemical Society C: Isobutyl Nitrite and Related Compounds , 1st ed. Dimercaprol Edetates Prussian blue. Copper sulfate Ipecacuanha Syrup of ipecac. Nitric oxide signaling modulators. Amyl nitrite isoamyl nitrite, isopentyl nitrite Cyclohexyl nitrite Ethyl nitrite Hexyl nitrite Isobutyl nitrite 2-methylpropyl nitrite Isopropyl nitrite Methyl nitrite n -Butyl nitrite Pentyl nitrite tert -Butyl nitrite ; S-Nitroso compounds thionitrites: Retrieved from ' https: Antianginals Antidotes Alkyl nitrites Muscle relaxants Vasodilators. Drugs with no legal status Drugboxes which contain changes to watched fields All articles with unsourced statements Articles with unsourced statements from December Views Read Edit View history. This page was last edited on 19 September , at By using this site, you agree to the Terms of Use and Privacy Policy. IUPAC name 3-methylbutyl nitrite. Arsenic poisoning Dimercaprol Succimer.

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