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    Grannyx3's Avatar
    Grannyx3 Posts: 1, Reputation: 1
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    #1

    Nov 9, 2010, 06:17 PM
    Nomenclature compounds
    What is the IUPAC (systematic) nomenclature for the following compound CH3CH=CCH2CH3 / CH3
    DrBob1's Avatar
    DrBob1 Posts: 425, Reputation: 86
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    #2

    Nov 9, 2010, 09:46 PM
    Your structure doesn't show up correctly. I'll bet you could show it as: CH3CH=C(CH3)CH2CH3. As with all organic names, you want to show:
    a) the longest carbon chain. [here there are 5 carbons]
    b) the dominant functional group [this is an alkENE] and its location [here it's on carbon number 2]
    c) any other substituents [you have a Methyl group] and its locaton [here it's on carbon number 3]
    Put it all together and tell us what you get. (If there is sufficient information, you could also designate the substituents as Z or E)

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