Organic Chemistry, Loose-leaf Version
8th Edition
ISBN: 9781305865549
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Chapter 5.2, Problem 5.4P
Interpretation Introduction
Interpretation:
Given alkene whether has cis, trans isomerization has to be identified and if present, the structure of trans isomer has to be drawn
Concept Introduction:
- • Name the main chain: Find the longest carbon chain and name the chain according to the number of carbon atoms it contains; is also the suffix part of the name.
- • Number the carbon atoms in the main chain: The carbons are numbered, in which the substituents must get lowest possible numbers.
- • Identify the substituents, and number each: The number at where substituents are present has to be noted. The substituents written as prefix.
- • Write the names as a single word: Use the hyphen to separate the numbers from the different prefix; commas to separate numbers. If two or more different substituents are present, arrange them in alphabetical order. If two or more identical substituents are present, use prefixes di-, tri-, tetra-, but this particular prefix should not be used for alphabetizing purpose.
Alkene:
The systematic name of alkenes are written by replacing “ane” of
Trans configuration: In trans configuration, carbon atoms present in the main chain are placed on opposite sides of the carbon-carbon double bond.
Cis configuration: In cis configuration, carbon atoms present in the main chain are placed on same sides of the carbon-carbon double bond.
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Students have asked these similar questions
1.
Answer the questions about the following reaction:
(a) Draw in the arrows that can be used make this reaction occur and draw in the product of substitution in this
reaction. Be sure to include any relevant stereochemistry in the product structure.
+
SK
F
Br
+
(b) In which solvent would this reaction proceed the fastest (Circle one)
Methanol
Acetone
(c) Imagine that you are working for a chemical company and it was your job to perform a similar reaction to the
one above, with the exception of the S atom in this reaction being replaced by an O atom. During the reaction, you
observe the formation of three separate molecules instead of the single molecule obtained above. What is the likeliest
other products that are formed? Draw them in the box provided.
3. For the reactions below, draw the arrows corresponding to the transformations and draw in the boxes the reactants
or products as indicated. Note: Part A should have arrows drawn going from the reactants to the middle structure
and the arrows on the middle structure that would yield the final structure. For part B, you will need to draw in
the reactant before being able to draw the arrows corresponding to product formation.
A.
B.
Rearrangement
ΘΗ
2. Draw the arrows required to make the following reactions occur. Please ensure your arrows point from exactly
where you want to exactly where you want. If it is unclear from where arrows start or where they end, only partial
credit will be given. Note: You may need to draw in lone pairs before drawing the arrows.
A.
B.
H-Br
人
C
Θ
CI
H
Cl
Θ
+
Br
O
Chapter 5 Solutions
Organic Chemistry, Loose-leaf Version
Ch. 5.1 - Calculate the index of hydrogen deficiency for...Ch. 5.1 - Prob. 5.2PCh. 5.2 - Write the IUPAC name of each alkene. (a) (b)Ch. 5.2 - Prob. 5.4PCh. 5.2 - Prob. 5.5PCh. 5.2 - Prob. 5.6PCh. 5.2 - Prob. 5.7PCh. 5.2 - Prob. 5.8PCh. 5 - Predict all approximate bond angles about each...Ch. 5 - Prob. 5.10P
Ch. 5 - The structure of 1,2-propadiene (allene) is shown...Ch. 5 - Prob. 5.12PCh. 5 - Draw structural formulas for these alkenes. (a)...Ch. 5 - Name these alkenes and cycloalkenes.Ch. 5 - Prob. 5.15PCh. 5 - Prob. 5.16PCh. 5 - Prob. 5.17PCh. 5 - For each molecule that shows cis, trans isomerism,...Ch. 5 - -Ocimene, a triene found in the fragrance of...Ch. 5 - Prob. 5.20PCh. 5 - Prob. 5.21PCh. 5 - Prob. 5.22PCh. 5 - Prob. 5.23PCh. 5 - Prob. 5.24PCh. 5 - Measure the CH3,CH3 distance in the...Ch. 5 - Prob. 5.26PCh. 5 - Measure the CCC and CCH bond angles in the...Ch. 5 - Prob. 5.28PCh. 5 - Prob. 5.29PCh. 5 - Prob. 5.30PCh. 5 - Prob. 5.31PCh. 5 - Prob. 5.32PCh. 5 - Prob. 5.33PCh. 5 - Pyrethrin II and pyrethrosin are two natural...Ch. 5 - Prob. 5.35PCh. 5 - Prob. 5.36PCh. 5 - Bromine adds to cis- and trans-2-butene to give...
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