Q4 · CSIR-NET Chemistry, June 2018

Paper: CSIR-NET June 2018 · Subject: Organic Chemistry · Chapter: General Organic Chemistry · Topic: Nomenclature Polycyclics · Marks: 2 · Difficulty: Medium

IUPAC nomenclature of the following propellane is
(a)Tricyclo[1.1.1.$0^{2,4}$]pentane
(b)Tricyclo[1.1.0.$1^{1,3}$]pentane
(c)Tricyclo[1.1.$1^{1,3}$.$0^{1,5}$]pentane
(d)Tricyclo[1.1.1.$0^{1,3}$]pentane
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
[1.1.1]Propellane: three one-carbon bridges between the two bridgehead carbons that are also bonded to each other — tricyclo[1.1.1.0¹,³]pentane.

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