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A 3D model of ethyne (acetylene), the simplest alkyne. In organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbon —carbon triple bond. [1] The simplest acyclic alkynes with only one triple bond and no other functional groups form a homologous series with the general chemical formula CnH2n−2.
The hexynes are a subgroup from the group of alkynes. It consists of several isomeric compounds having the formula C 6 H 10. The linear and branched members are: 1-Hexyne (n -butylacetylene) 2-Hexyne (methylpropylacetylene) 3-Hexyne (diethylacetylene) 3-methylpent-1-yne. 4-methylpent-1-yne. 4-methylpent-2-yne.
Cycloalkyne. In organic chemistry, a cycloalkyne is the cyclic analog of an alkyne (−C≡C−). A cycloalkyne consists of a closed ring of carbon atoms containing one or more triple bonds. Cycloalkynes have a general formula CnH2n−4. Because of the linear nature of the C−C≡C−C alkyne unit, cycloalkynes can be highly strained and can ...
Formed in February 1973 as the Golden Gate Rhythm Section, the group was renamed Journey in the summer and originally included keyboardist and vocalist Gregg Rolie, lead guitarist Neal Schon, rhythm guitarist George Tickner, bassist Ross Valory and drummer Prairie Prince. The band's lineup as of 2021 features Schon, alongside keyboardist and ...
The alkyne representation of benzyne is the most widely encountered. Arynes are usually described as having a strained triple bond. [6] Geometric constraints on the triple bond in benzyne result in diminished overlap of in-plane p-orbitals, and thus weaker triple bond. [7] The vibrational frequency of the triple bond in benzyne was assigned by ...
In organic chemistry, an alkene, or olefin, is a hydrocarbon containing a carbon –carbon double bond. [ 1 ] The double bond may be internal or in the terminal position. Terminal alkenes are also known as α-olefins. The International Union of Pure and Applied Chemistry (IUPAC) recommends using the name "alkene" only for acyclic hydrocarbons ...
Alkynylation. In organic chemistry, alkynylation is an addition reaction in which a terminal alkyne (−C≡CH) is added to a carbonyl group (C=O) to form an α -alkynyl alcohol (R2C (−OH)−C≡C−R). [1] [2] When the acetylide is formed from acetylene (HC≡CH), the reaction gives an α- ethynyl alcohol. This process is often referred to ...
Alkyne derivatives (7 C, 86 P) Alkynyl groups (4 P) P. Polyynes (1 C, 9 P) Pages in category "Alkynes" The following 27 pages are in this category, out of 27 total.