Ketones & Aldehydes

Ketones

-A ketone is a hydrocarbon chain with a double bonded that is NOT on either end.
-Follow standard rules and add - one to the parent chain

Example

      O
      ll       propanone           \ /  \ /          4 methyl 2 propanone
     /   \                                  l   ll
                                                O

Aldehydes

- An aldehyde is a compound that has a double bonded oxygen a the END of a chain
- The simplest aldehyde is methanal (also called formaldehyde)
-Follow the standard rules and change the parent chain ending to -al
-BE careful when naming aldehydes and alcohols

Example

      H      H     H         O
       l        l       l        //                                        
H-  C  -  C  -  C  -  C      Butanal             
       I        I       I       \
      H      H     H       H

Jomar Delos Santos