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Chapter 3: Q12 P-b (page 78)

Draw structures corresponding to the following IUPAC names:

(b) 3-Ethyl-4,4-dimethylheptane

Short Answer

Expert verified

When converting a compound’s name to the structure, the parent carbon is identified and its structure is drawn. Then the substituents are identified and placed on proper positions. The hydrogens are finally added to obtain the complete structure.

Step by step solution

01

IUPAC nomenclature

When converting a compound’s name to the structure, the parent carbon is identified and its structure is drawn. Then the substituents are identified and placed on proper positions. The hydrogens are finally added to obtain the complete structure.

02

IUPAC name of compound b

(b)The longest carbon chain of this compound comprises six carbon atoms and is named heptane. The third carbon atom comprises an ethyl group and the fourth carbon atom comprises two methyl groups. The structure of the compound can be given as:

Compound b

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Most popular questions from this chapter

Consider 2-methylbutane (isopentane) sighting along C-2, C-3 bond:

  1. Draw a Newman Projection of the most stable conformer.
  2. Draw a Newman Projection of the most stable conformer.
  3. If aCH3-CH3 eclipsing interaction costs 11kJ/mol (2.5 kcal/mol) and arole="math" localid="1663392343646" CH3-CH3 gauche interaction costs 3.8kJ/mol (0.9 kcal/mol), make a quantitative plot of energy versus rotation about the C-2 C-3 bond.

Draw structures that meet the following descriptions (there are many

Possibilities):

(b) Two isomers with the formula C4H8O2

Draw the most stable conformation of pentane, using wedges and dashes to represent bonds coming out of the paper and going behind the paper, respectively.

Question: Locate and identify the functional groups in the following molecules.

cis-1, 2-Dimethylcyclobutane is less stable than its trans isomer, but cis-1, 3-dimethylcyclobutane is more stable than its trans isomer. Draw the most stable conformations of both, and explain.
See all solutions

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