IUPAC Naming of Aldehydes and Ketones

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The carbon atom of the ring to which the aldehyde –C is attached to will get the # ______ location in naming the ring.

1

For open-chain ketones, numbering begins at the end nearer the ______ carbon.

carbonyl

The parent name of an open-chain ketone is derived by replacing the terminal –______ of the corresponding alkane name with suffix –one.

e

If an aldehyde group (-CHO) is present in the molecule, the ketone group (=O) becomes a ______ substituent.

oxo

For cyclic ketones, the carbonyl C (C=O) is always numbered as ______.

C-1

The parent name of a cyclic ketone is derived by replacing the ending –______ of the corresponding cycloalkane with suffix –one.

e

For mixed ethers, the shorter alkyl groups becomes the ______ substituents while the longer alkyl groups becomes the alkane parent.

alkoxy

According to IUPAC naming conventions, the parent chain must contain the ______ group and the aldehyde –C is numbered as C-1.

–CHO

The parent name is derived by simply replacing the terminal –e of the corresponding alkane name with suffix ______.

-al

For cyclic aldehydes in which the –CHO group is directly attached to a ring, the suffix ______ is added to the name of the ring.

–carbaldehyde

Select the parent chain containing the __________ group and derive the parent name by replacing the ending of the corresponding alkane with -ol.

-OH

In Williamson Ether Synthesis, the ether part is considered an ______ substituent.

–OR

In IUPAC naming conventions, the shorter alkyl group becomes the ______ while the longer alkyl group becomes the alkane parent.

alkoxy

The __________ directly attached to a benzene ring is a Phenol compound.

-OH

Write the name in one word, and if the compound has more than 1 __________ group, use the prefixes di-, tri-, tetra-, so forth.

-OH

Begin numbering at the end nearer the __________ group.

-OH

If the compound has more than 1 __________ groups, use the prefixes di-, tri-, tetra-, so forth.

-OH

Number the substituents according to their position on the alkane chain and the position of the __________ group is also indicated.

-OH

Practice identifying and naming aldehydes and ketones using IUPAC rules. Learn how to determine the parent chain and functional group placement in open-chain ketones.

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