19.1 Naming Ketones and Aldehydes
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| NOMENCLATURE OF KETONES | |
|---|---|
| Main Functional Group | 1. Identify longest continuous carbon chain the ketone is attached to. |
| 2. Number to give the ketone carbon the lowest possible number. | |
| 3. Use -one suffix at the end of the parent chain and appropriate chain locator. | |
| As a Substituent | Referred to as “oxo” with appropriate chain locator |
Name the following:
| NOMENCLATURE OF ALDEHYDES | |
|---|---|
| Main Functional Group | 1. Identify longest continuous carbon chain the aldehyde is attached to. |
| 2. When named as an aldehyde it will always be located at carbon #1. | |
| 3. Use -al suffix at the end of the parent chain (no chain locator). | |
| Directly Attached to Ring | 1. Name cyclic structure with -carbaldehyde suffix (no chain locator). |
| As a Substituent | Referred to as “formyl” with appropriate chain locator |
Name the following:
