Respuesta :
The correct IUPAC name of the following structure CH2=CH2-CH-CH3 is But - 1 - ene
IUPAC rules for alkene nomenclature
- The parent alkene is picked because it has the longest carbon chain with the double bond between carbon atoms.
- The suffix "ane" of the alkane is transformed to "ene."
- Depending on whether a double bond appears twice or three times in the parent chain, an alkene is referred to as a diene or triene.
- the positions of double bonds or side chains, indicated by the numerals 1, 2, 3, etc.
- Because it is the longest chain and is numbered from that end, the carbon atom in the double bond, which is written just before the suffix "ene," has the lowest number.
- The carbon chain is numbered so that the substituent receives the lowest number if both sides of a double bond receive the same number.
Hence the structure CH2=CH-CH2-CH3 is named on the basis of the above rule as but - 1 - ene.
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