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2-Hexyne can be semihydrogenated to yield 2-hexene or fully hydrogenated to hexane. [3] With appropriate noble metal catalysts it can selectively form cis-2-hexene. [4] 2-Hexyne can act as a ligand on gold atoms. [5] With strong sulfuric acid, the ketone 2-hexanone is produced. However this reaction also causes polymerization and charring. [6]
Cis and trans descriptors are not used for cases of conformational isomerism where the two geometric forms easily interconvert, such as most open-chain single-bonded structures; instead, the terms "syn" and "anti" are used. According to IUPAC, "geometric isomerism" is an obsolete synonym of "cis–trans isomerism". [2]
In organic chemistry, hexene is a hydrocarbon with the chemical formula C 6 H 12. The prefix "hex" is derived from the fact that there are 6 carbon atoms in the molecule, while the " -ene " suffix denotes that there is an alkene present—two carbon atoms are connected via a double bond .
2 Structure and bonding. ... C 6 H 12: 13 isomers: 1-hexene, 2-hexene, 3-hexene, 2-methyl-1 ... -but-2-ene (a.k.a. cis-2-butene) appear on the same side of the ...
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Structures of the significant conformations are shown: chair 1, half-chair 2, twist-boat 3 and boat 4. When ring flip happens completely from chair to chair, hydrogens that were previously axial ( blue H in upper-left structure) turn equatorial and equatorial ones ( red H in upper-left structure) turn axial. [ 3 ]
Note: cis-trans isomers and enantiomers are not included in this list. Index of chemical compounds with the same molecular formula This set index page lists chemical structure articles associated with the same molecular formula .
In greater carbon number cycloalkenes, the addition of CH 2 substituents decreases strain. [2] trans-Cycloalkenes with 7 or fewer carbons in the ring will not occur under normal conditions because of the large amount of ring strain needed. In larger rings (8 or more atoms), cis–trans isomerism of the double bond may occur.