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Question
The systematic nomenclature of the following spiro compound is:
The systematic nomenclature of the following spiro compound is:
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Solution
The correct option is C 6-Methyl spiro [3.4] octane
In spiro compounds, numbering starts from the next C atom from the single-fused point to smaller ring ending in the larger ring, following the lowest location of substitute rule.
Functional group is an alkane, therefore suffix = ′−ane′
The ring structure requires the prefix spiro.
Substituent is methyl at C6.
The ring structure is C8 therefore root = Oct
The links contain 3 and 4 carbon atoms =[3.4]
Therefore, the name is 6−Methyl spiro [3.4] octane.
Option C is correct.
In spiro compounds, numbering starts from the next C atom from the single-fused point to smaller ring ending in the larger ring, following the lowest location of substitute rule.
Functional group is an alkane, therefore suffix = ′−ane′
The ring structure requires the prefix spiro.
Substituent is methyl at C6.
The ring structure is C8 therefore root = Oct
The links contain 3 and 4 carbon atoms =[3.4]
Therefore, the name is 6−Methyl spiro [3.4] octane.
Option C is correct.
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