Which of the following compounds will give 3, | vedclass

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(A) Reductive ozonolysis of a cyclic alkene involves breaking the double bond and forming two carbonyl groups at the cleavage sites. To obtain $3, 5-$

Vedclass · Accepted Answer

$1-$ethyl$-2,4-$dimethylcyclohex$-1-$ene

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(A) Reductive ozonolysis of a cyclic alkene involves breaking the double bond and forming two carbonyl groups at the cleavage sites. To obtain $3, 5-$dimethyl$-6-$oxooctanal,we need to identify the cyclic precursor. The product $3, 5-$dimethyl$-6-$oxooctanal is an open-chain dialdehyde/keto-aldehyde. Specifically,the structure is $CH_3-CH_2-CH(CH_3)-C(=O)-CH_2-CH(CH_3)-CH_2-CHO$. This indicates that the original cyclic compound must have been a cyclohexene derivative where the double bond cleavage results in this specific chain. Analyzing the options,$1-$ethyl$-2, 4-$dimethylcyclohex$-1-$ene (Option $A$) upon ozonolysis yields the desired product by breaking the $C1=C2$ bond. Thus,the correct compound is $1-$ethyl$-2, 4-$dimethylcyclohex$-1-$ene.

Which of the following compounds will give $3, 5-$dimethyl$-6-$oxooctanal on reductive ozonolysis?

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