8.0 Naming Alkenes

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Chad's Organic Chemistry Master Course

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Main Functional Group 1. Identify longest continuous carbon chain that includes the alkene.
2. Number to give the alkene the lowest possible number.
3. Use -ene suffix at the end of the parent chain and appropriate chain locator.
4. Assign cis/trans or E/Z to any alkenes that can exhibit cis/trans isomerism. Place designations in parenthesis at the beginning of the name. If more than one also include chain locators.

Provide the IUPAC name for the following:

alkenes 1
alkenes 2
alkenes 3

Naming Alkenes with E vs Z

alkenes 4
alkenes 5

Assign each of the following alkenes as either E or Z.

alkenes 6
alkenes 7

Naming Polyalkenes (Dienes, Trienes, etc.)

alkenes 8