Question

Why is C6H10O2 (http://www.chemspider.com/ImagesHandler.ashx?id=68832&w=250&h=250)
named as Hexane-2,4-dione instead of Hexa-2,4-dione? I

Answer 1

Answer on Question#64895 – Chemistry – Organic chemistry

Question:

Why is C6H10O2 (http://www.chemspider.com/ImagesHandler.ashx?id=68832&w=250&h=250) named as Hexane-2,4-dione instead of Hexa-2,4-dione?

Answer:

Hexane-2,4-dione

Diketones take their name from their parent alkane chains. The ending -dione is added to the end of the parent chain. Both carbonyls require a location number.

Here, the parent alkane is hexane.

hexane

Hexane + 2,4-dione = hexane-2,4-dione, not hexa-2,4-dione. Hexa-2,4-dione is a mistake, because parent chain hexa doesn't exist.

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