question_answer

According to IUPAC convention, the systematic name of the compound given below is

A)  4-(4-Bromocyclohexy1)-1-(3-chlorocy clohexy1)-2-flouorocyclohexane

B)  5-(4-Bromocyclohexy1)-2-(3-Chlorocy clohexy1)-1-flouorocyclohexane

C)  1-(3-chlorocyclohexy1)-4-(4-bromocy clohexy1)-2-flouorocyclohexane

D)  1-(4-Bromocyclohexy1)-4-(3-chlorocy clohexy1)-3-fluorocyclohexane

Correct Answer: A

Solution :

[a] Central has maximum of three locants, hence it is the parent ring. The lowest number series is 1, 2, and 4 as There is locant in the side rings, hence secondary numbering offside rings are also done.