Question

What is the name of the compound 1-bromo-4-chloro-2,3,6-trimethylcyclohexane?

1) 1-bromo-4-chloro-2,3,6-trimethylcyclohexane
2) 1-bromo-2-chloro-4,6-trimethylcyclohexane
3) 1-chloro-4-bromo-2,3,6-trimethylcyclohexane
4) 1-chloro-2-bromo-4,6-trimethylcyclohexane

Answer 1

The correct name for the given compound is 1-bromo-4-chloro-2,3,6-trimethylcyclohexane, following IUPAC naming conventions with substituents listed in alphabetical order.

Step-by-step explanation:

The correct name for the compound given in the options is 1-bromo-4-chloro-2,3,6-trimethylcyclohexane. The process of naming this compound applies the IUPAC rules for naming organic compounds, which dictate that substituent groups should be listed in alphabetical order without consideration for prefixes like di-, tri-, etc. Hence, bromo comes before chloro in the name. Additionally, the ring structure is numbered to give the substituents the lowest possible numbers, also considering the alphabetical order when assigning the starting point for numbering. This systematic approach arrives at the name given in the first option. Therefore, the first name listed, 1-bromo-4-chloro-2,3,6-trimethylcyclohexane, is the correct IUPAC name for the compound.