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Chapter 7: Q2P (page 291)

Name the following:

Short Answer

Expert verified
  1. IUPAC name: 6-methyl-oct-2-yne.
  2. IUPAC name: 5-ethyl-4-methyl-hept-1-yne.
  3. IUPAC name: 2-bromo-oct-4-yne.

Step by step solution

01

Rules of IUPAC nomenclature

There are some rules to be followed for the naming of a structure and these are given as follows,

  1. Finding the longest chain.
  2. Numbering the chain according to the priority order of double bond, triple bond and functional group.
  3. Functional group should be written in an alphabetical order means if there is methyl and ethyl group, put ethyl group at 1st as e comes earlier than m in Alphabets.
  4. Among two or more functional group, the name of the compounds will be based on that group which has higher priority.
  5. An alkene group will be named as ‘ene’ and alkyne group will be named as ‘yne’.
02

IUPAC names of the given compounds

The systematic names are given below, using the IUPAC rules.1st we have levelled the longest chain considering the position of functional group, and then it is written in alphabetical order.

03

Name of the compounds

The systematic name of the compounds is given below,

IUPAC name: 6-methyl-oct-2-yne.

IUPAC name: 5-ethyl-4-methyl-hept-1-yne.

IUPAC name: 2-bromo-oct-4-yne.

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Most popular questions from this chapter

How could the following compounds be synthesized from acetylene?

Which of the following bases can remove a proton from a terminal alkyne in a reaction that favors products?

Draw the structures and give the common and systematic names for the seven alkynes with molecular formula C6H10.

Drawing on what you know about the stereochemistry of alkene addition reactions:

a. Write the mechanism for the reaction of 2-butyne with one equivalent of Br2.

b. Predict the configuration of the product of the reaction.

Name the following:
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