MAY 5 2010

(this is a continuing of the last class`notes)

B. ALKENES
-all the same rules for naming apply
-use the correct prefix and -ene ending
-identify the location of the double bond using carbon numbers

Examples
1. NAME

CH2=CH-CH2-CH3

answer: 1-Butene

2. Draw the structural formula for 2 methyl 1 pentene

H2C=C-CH2-CH2-CH3

3. NAME

H2C=CH-CH=CH-CH3

1,3 PENTADIENE (add a+di,tri,etc to double bonds)

4. NAME
CH3

H2C= CH-C-=CH-CH3

3 methyl 1,3 pentadiene

C. TRIPLE BONDS
-use- YNE ending

5. NAME

ASK FOR EXAMPLES

*your triple and double bonds must be included in your longest chain.
*double and triple cannot be side chains
*it has to be alphabetical when you state your answers

****HOMEWORK***** finish last class`worksheet and do numbers 1,2,3 in your new worksheet!