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Chapter 7-4 - Nomenclature of Alkenes
Organic Chemistry 307: Chapter 7 - Structure and Synthesis of Alkenes; Section 4 - Nomenclature of Alkenes
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Organic Chemistry
Undergraduate 3
11/16/2011

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Term
Nomenclature of Alkenes:
1. When the chain contains more than __________ atoms, a number is used to give the location of the double bond.
2. The chain is numbered from the end __________ to the double bond, and the double bond is given the __________ of its two double-bonded carbon atoms. Cycloalkenes are assumed to have the double bond in the number __________ position.
3. In 1993, the IUPAC recommended a logical change in the position of the numbers used in names; the new placement is helpful for clarifying the names of compounds containing multiple __________ __________.
Definition
1) Three
2) Closest
3) Lowest
4) One
5) Functional groups
Term
A compound with two double bonds is a __________.
Definition
1) Diene
Term
A compound with three double bonds is a __________.
Definition
1) Triene
Term
A compound with four double bonds is a __________.
Definition
1) Tetraene
Term
Alkenes named as substituents are called __________ groups.
Definition
1) Alkenyl
Term
Common alkenyl substituents are the __________, __________, __________ and __________ groups.
The __________ group is different from others because it is aromatic.
Definition
1) Vinyl
2) Allyl
3) Methylene
4) Phenyl
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