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    heavenlyangel835's Avatar
    heavenlyangel835 Posts: 1, Reputation: 1
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    #1

    Jun 14, 2005, 01:07 PM
    Drawing and naming structural diagrams
    I'm taking a correspondance chemistry course and have found myself stuck with these problems. Any and all help would be appreciated the more detailed the better though

    kp2171's Avatar
    kp2171 Posts: 5,318, Reputation: 1612
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    #2

    Jul 27, 2005, 08:42 PM
    follow basic IUPAC rules

    look for the longest carbon chain that contain the C=C

    number positions to give lowest numbering possible

    the double bond is high priority in this set so if at end of chain it gets #1 at terminal carbon... if in middle number to give it lowest number internally

    so if you learned alkane nomenclature, and you should have by this time in the course, the only diff is that the C=C is high priority and instread of -and ending you use -ene ending.

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