Drill: Name:

Review Drill&

Check HW

Chm II/Org HW•Review PP-37

•Complete the attached assignment & turn it in tomorrow

Are there any questions on

previous material?

Name:

Name:

trans-3-heptene

trans-3-heptene

trans-5-methyl-2-cyclopropyl-3-heptene

Alkynes

Alkynes•Hydrocarbons that

have at least one triple bond

Alkynes•All alkynes are

unsaturated

Naming Alkynes•The triple bond will always fall between two numbers on the

carbon chain

Naming Alkynes•Apply the lower of the two numbers to

the triple bond

Naming Alkynes12345

2-pentyne

H3C-CH2-C C-CH3

Naming Alkynes

123

4

5

2-pentyne

Name the following:

H3C-CH2-C-C-CH-CH3

CH3

Name the following:

H3C-CH2-C-C-CH-CH3

CH3

3-hexyne

H3C-CH2-C-C-CH-CH3

CH3

3-hexyne

H3C-CH2-C-C-CH-CH3

CH3

2-methyl-3-hexyne

H3C-CH2-C-C-CH-CH3

CH3

Name the following:

Name the following:

3-heptyne

3-heptyne

2,5-dimethyl-3-heptyne

Name the following:

trans,cis-deca-2,6-dien-4-yne

trans,cis-deca-2,6-dien-4-yne

trans,cis-7-ethyl-6-methyldeca-2,6-dien-4-yne

Draw Each of the Following:

•cyclohexylethyne

•cis-4,6,8-trimethyldeca-5-en-2-yne

Naming Alkynes

•Name the alkynes on the board