Can I Name These Haloalkenes Using the Preferred Numbering System?

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SUMMARY

The discussion focuses on the correct naming of haloalkenes using the preferred numbering system. The substance on the left cannot be named as 3-bromo-5-fluorohexane due to the requirement for the lowest possible numbering. For the substance on the right, the preferred naming is 1-methyl-2-iodocyclohexane instead of 2-iodo-1-methylcyclohexane, as it adheres to the same principle of minimizing locants.

PREREQUISITES
  • Understanding of IUPAC nomenclature for organic compounds
  • Knowledge of haloalkenes and their functional groups
  • Familiarity with cycloalkane structures
  • Basic principles of numbering in organic chemistry
NEXT STEPS
  • Study IUPAC rules for naming organic compounds in detail
  • Learn about the properties and reactions of haloalkenes
  • Explore the concept of substituent priority in organic nomenclature
  • Practice naming various organic compounds using the preferred numbering system
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Chemistry students, organic chemists, and anyone learning about the nomenclature of organic compounds will benefit from this discussion.

kelvin macks
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Homework Statement



for the substance on the left of first photo, can I name it as 3-bromo-5fluorohexane? for the substance on the right can I name it as 2-iodo-1methylcyclohexane?



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The Attempt at a Solution

 

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kelvin macks said:
can I name it as 3-bromo-5fluorohexane

No. You should choose numbers so that they are lowest possible.

I am not sure about the other one. I think numbering them 1, 2 is preferred over 2, 1 - it is the same rule as above, 1, 2 is considered the lower of two series.
 

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