Answer to Question #167998 in Organic Chemistry for Vers

Question

 Including possible stereochemistry, draw and name all possible alkynes with a formula of C7H12.

Answer 1

Let triple bond be represented by € (keyboard cannot be used to type triple bond)

The isomers of C7H12 are

1. HC€C-CH2-CH2-CH2-CH2-CH3

1-heptyne

2. H3C-C€C-CH2-CH2-CH2-CH3

2-heptyne

3. H3C-CH2-C€C-CH2CH2CH3

3-heptyne

4. HC€C-CH2-CH2-CH(CH3)-CH3

5-methy-1-hexyne

5. HC€C-CH2-CH(CH3)-CH2-CH3

4-methyl-1-hexyne

6. HC€C-CH(CH3)-CH2-CH2-CH3

3-methyl-1-hexyne

7. H3C-C€C-CH(CH3)-CH2-CH3

4-methy-2-hexyne

8. H3C-C€C-CH2-CH(CH3)-CH3

5-methy-2-hexyne

9. H3C-CH(CH3)-C€C-CH2-CH3

2-methyl-3-hexyne