Q. 24.7( 12 Votes )

Write the IUPAC n

Answer :

To write the IUPAC name of the given compound, we follow the steps given below:


Step 1: The longest carbon chain containing the OH group is selected as the parent chain and numbered in such a way that the carbon atom carrying the OH group gets the smallest number and then the carbon atom carrying the halogen atom gets the lowest possible number.



Step 2: As the second carbon contains the double bond (alkene) and there are total 4 carbons (butane) in the parent chain. Hence it will be named as but-2-en-1-ol


Step 3: As the second carbon also contains the halogen atom, i.e. Br. Hence, it will be named as 2-Bromo


Step 4: Now, third carbon contains a methyl group (CH3), hence it will be named as 3-methyl


Alphabetically, 2-Bromo comes first. Hence the final name of the compound is:


2-Bromo-3-methylbut-2-en-1-ol


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