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  • The systematic nomenclature of the following spiro compound is : <img alt="Image result for 6-methyl spiro[3.4]octane" src="https://cdn.entrance360.com/media/uploads/2020/11/29/yhnghj.png

The systematic nomenclature of the following spiro compound is :

Image result for 6-methyl spiro[3.4]octane

Option: 1

5-methyl spiro [3.4] octane


Option: 2

7-methyl spiro [3.4] octane


Option: 3

3-methyl spiro [3.4] octane


Option: 4

2-methyl spiro [3.4] octane


Answers (1)

best_answer

Start from a small ring then big ring, so naming will have 3.4

now, Low locants are allocated for substituents. so it would be 5-Methyl not 8-methyl.

The IUPAC name is 5-methyl spiro [3.4] octane.

Therefore, option (1) is correct.

Posted by

vishal kumar

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