Ch. 4 - Alkanes and CycloalkanesWorksheetSee all chapters
All Chapters
Ch. 1 - A Review of General Chemistry
Ch. 2 - Molecular Representations
Ch. 3 - Acids and Bases
Ch. 4 - Alkanes and Cycloalkanes
Ch. 5 - Chirality
Ch. 6 - Thermodynamics and Kinetics
Ch. 7 - Substitution Reactions
Ch. 8 - Elimination Reactions
Ch. 9 - Alkenes and Alkynes
Ch. 10 - Addition Reactions
Ch. 11 - Radical Reactions
Ch. 12 - Alcohols, Ethers, Epoxides and Thiols
Ch. 13 - Alcohols and Carbonyl Compounds
Ch. 14 - Synthetic Techniques
Ch. 15 - Analytical Techniques: IR, NMR, Mass Spect
Ch. 16 - Conjugated Systems
Ch. 17 - Aromaticity
Ch. 18 - Reactions of Aromatics: EAS and Beyond
Ch. 19 - Aldehydes and Ketones: Nucleophilic Addition
Ch. 20 - Carboxylic Acid Derivatives: NAS
Ch. 21 - Enolate Chemistry: Reactions at the Alpha-Carbon
Ch. 22 - Condensation Chemistry
Ch. 23 - Amines
Ch. 24 - Carbohydrates
Ch. 25 - Phenols
Ch. 26 - Amino Acids, Peptides, and Proteins

Solution: Select the correct name for the following compound, including the correct (E) or (Z) designation where appropriate.

Solution: Select the correct name for the following compound, including the correct (E) or (Z) designation where appropriate.

Problem

Select the correct name for the following compound, including the correct (E) or (Z) designation where appropriate.

Solution

We’re being asked to name the given structure using IUPAC nomenclature with the correct E/Z designation.



Recall that the E/Z designation gives us the absolute stereochemistry of double bonds. It involves:

1. Determining the highest priority groups on each side of a double bond.

• Priority is determined using atomic mass

• If the same atom is present, we compare the other atoms it is bonded to

2. Designating E/Z based on their relative position:

• If they are on the same side Z (zusammen or together)

• If they are on the opposite side E (entgegen or opposite)


For this problem, we need to do the following steps:

Step 1: Determine the longest carbon chain and the parent name.

Step 2: List down the substituents present and their locants.

Step 3: Determine the E/Z designation of the double bond.


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