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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.
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Chm II/Org HW • Review PP-37 • Complete the attached assignment & turn it in tomorrow
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 Alkynes 4 2 1 5 3 H3C-CH2-C C-CH3 2-pentyne
Naming Alkynes 3 2 4 1 2-pentyne 5
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
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