1. Drill: Draw & name 2 isomers of C4H10

2. Cycloalkanes

3. Cycloalkanes Alkane chains with the ends joined together
Ring structures

4. Naming Cycloalkanes Place cyclo in front of the normal name
Pentane  cyclopentane

6. Name the organic compound

7. Substituted Cycloalkanes
Cycloalkanes with other groups attached

9. Numbering Substituted Cycloalkanes
The carbon with the most important group is # 1, then continue around the ring

10. 3 4 2 1
1-methylcyclobutane

11. Name:

12. 2 3 1 4 5

13. 1-ethyl-2,3-dimethylcyclopentane4 5

14. Name:

16. cyclopropylcyclohexane
3-ethyl-4-methyl-1-
cyclopropylcyclohexane

17. Name:

19. 5-ethyl-3-cyclohexyl-4-methyloctane

20. Cycloalkane Shapes
Demonstrated through modeling

21. Cycloalkane Shapes
Chair Boat

22. HW: Draw the condensed, skeletal, & stick structures for 3-methyl-1-propylcyclopentane

23. Draw each of the following: 1,3,5-trimethylcyclohexane 1-cyclopropylcyclopentane

24. Draw condensed & stick structures for: 1,3-dimethylcyclopentane cyclobutylcyclohexane