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:

naming ketones 01
naming ketones 02
naming ketones 03
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:

naming aldehydes 01
naming aldehydes 02
naming aldehydes 03