Question

CH3--CH(--CH3)--C(=O)--CH2--CH2--F
is called 1-flouoro-3-hexanone or 1-flouoro-4-methyl-pentanone?

Answer 1

lowest numbering is preferred.

Answer 2

are they the same or only one correct?

Answer 3

Can you please draw them using bond line notation.

Answer 4

CH3-CH-C-CH2-CH2-F
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Ch3 O

Answer 5

Well, ketone has priority here. Halogens are treated like substituents or no priority. Just focus on lowest numbering here.

Answer 6

lowest number is 1,3, but someone told me 1-fluoro4-methylpentanone is right. That's why i'm confused.

Answer 7

Lowest numbering!