Organic Chemistry Some Basic Principles And Techniques Ques 1

1. The IUPAC name of the compound is :

[2017]

(a) $5$-formylhex-$2$-en-$3$-one

(b) $5$-methyl-$4$-oxohex-$2$-en-$5$-al

(c) $3$-keto-$2$-methylhex-$5$-enal

(d) $3$-keto-$2$-methylhex-$4$-enal

Show Answer

Answer:

Correct Answer: 1.(d)

Solution:

  1. (d)

$3$-keto-$2$-methylhex-$4$-enal

Aldehydes get higher priority over ketone and alkene in numbering of principal carbon chain.



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