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2. 2-Butyne - Wikipedia

   en.wikipedia.org/wiki/2-butyne

   2-Butyne (dimethylacetylene, crotonylene or but-2-yne) is an alkyne with chemical formula CH 3 C≡CCH 3. Produced artificially, it is a colorless, volatile, pungent liquid at standard temperature and pressure .

3. Butyne - Wikipedia

   en.wikipedia.org/wiki/Butyne

   Butyne is an alkyne that contains 4 carbon and 6 hydrogen. It contains one triple bond and has two isomeric organic chemical compounds: 1-Butyne (ethylacetylene)

4. Alkylidene group - Wikipedia

   en.wikipedia.org/wiki/Alkylidene_group

   For example, the isopropyl group (IUPAC: prop-2-yl) −CH(CH 3) 2 corresponds to the isopropylidene group =C(CH 3) 2 (IUPAC: prop-2-ylidene). The group is not typically used in common names of branched alkenes - e.g. 3-methylenepentane, the simplest compound that systematically includes an alkylidene group, [Note 1] is commonly known as 2-ethyl ...

5. 2-Methyl-2-butene - Wikipedia

   en.wikipedia.org/wiki/2-Methyl-2-butene

   2-Methyl-2-butene, 2m2b, 2-methylbut-2-ene, beta-isoamylene, or Trimmethylethylene is an alkene hydrocarbon with the molecular formula C 5 H 10. Used as a free radical scavenger in trichloromethane (chloroform) and dichloromethane (methylene chloride). It is also used to scavenge hypochlorous acid (HOCl) in the Pinnick oxidation.

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9. 2,3-Dimethyl-1-butene - Wikipedia

   en.wikipedia.org/wiki/2,3-Dimethyl-1-butene

   2,3-Dimethyl-1-butene is an organic compound with the formula CH 2 =C(CH 3)CH(CH 3) 2. Like the other isomers of dimethylbutene, it is a colorless liquid. Together with 2,3-dimethyl-2-butene it can be produced by dimerization of propylene. It is a precursor to the commercial fragrance tonalide. [1]