Nomenclature of Aldehydes

Nomenclature of Aldehydes

a. Aldehydes are named by dropping the -e ending of the parent name and adding -al.

The substituent name for a -CHO group is formyl.

propanal (formylethane)

· Try to draw a structure for the following compound…

butanal J

· Try to name the following compound…

b. Ring compounds...

When one or more –CHO groups are attached to a ring, the ring is named followed by the word carbaldehyde.

cyclopentanecarbaldehyde

· Try to name the following compound…

c. Common names that you should know are...

formaldehyde…What is the proper name for this compound? J

acetaldehyde…What is the proper name for this compound? J

benzaldehyde…What is the proper name for this compound? J