Name: Aromaticity and Its Effect on Basic Strength
Uploaded: 2019-07-19
Duration: 13 min 30 s
Description: What is aromaticity, and how does it affect the basic strength of compounds?. Are you curious to know? Let's dive into this video to find all the answers.

Question

A hydrocarbon (

R

) has a six membered ring in which there is
no unsaturation. The two alkyl groups are attached to the ring
adjacent to each other. One group has

3 carbon

atoms
with branching at the

1^{s t}

carbon atom of the chain and another
has

4

carbon atoms. The larger alkyl group has the main
chain of three carbon atoms of which second carbon is
substituted. Correct the

IUPAC

name of the compound (

R

) is

Accepted Answer

The $IUPAC$ nomenclature of the Cyclic compound:

The parent chain is the one with the highest number of carbon atoms.

If there is an alkyl straight chain with a greater number of carbons than the cycloalkane, then the alkyl chain must be used as the primary parent chain. Cycloalkane acting as a substituent to an alkyl chain has an ending "-yl" and, therefore, must be named as a cycloalkyl.

Determine any functional groups or other alkyl groups.

Number the cycloalkane's carbons so that the carbons with functional groups or alkyl groups have the lowest possible number. A carbon with multiple substituents should have a lower number than carbon, with only one substituent or functional group.

When naming the cycloalkane, the substituents and functional groups must be placed in alphabetical order.

Indicate the carbon number with the functional group with the highest priority according to alphabetical order. A dash"-" must be placed between the numbers and the name of the substituent.

If there is more than one of the same functional group on one carbon, write the carbon two, three, or four times, depending on how many of the same functional group is present on that carbon. Commas must separate the numbers, and a dash must separate the functional group's name that follows.

After all the functional groups and substituents have been mentioned with their corresponding numbers, before the name of cycloalkanes.

Applying the above rules, The correct IUPAC name of the compound $IUPAC$ is given below. Substituent one is given priority because it is having an alphabetic preference.

Important Questions on Classification and Nomenclature Of Organic Compounds

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