Organic And Biological Chemistry
7th Edition
ISBN: 9781305638686
Author: H. Stephen Stoker
Publisher: Brooks Cole
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Question
Chapter 14.9, Problem 2QQ
Interpretation Introduction
Interpretation:
The correct statement about the biosynthetic pathway for cholesterol synthesis has to be identified.
Concept introduction:
Cholesterol is an important component of cell membranes. It is used as the precursor for sex hormones, bile salts, and adrenal hormones.
The biosynthesis of cholesterol occurs in the liver. It is a C27 molecule. The structure of cholesterol is as follows:
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Solution
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Use retrosynthetic analysis to suggest two paths to synthesize 2-methyl-3-hexanol using the Grignard reaction. (Click and drag
the appropriate image to the correct position in the reactions.)
Route 1
Aldehyde 1
or
+98
Aldehyde 2
Route 2
Q6
+100
Solved in 1 attempt
Q7
+95
Solved in 2 attempts
Q8
+98
Unlimited attempts
possible
+
+
Grignard 1
OH
H3O+
Grignard 2
Answer Bank
Q9
+90
MgBr
Unlimited attempts
possible
CH3CH2CH2MgBr
Q10
Unlimited attempts
Q11
?
?
+100
in 1 attempt
2-methyl-3-hexanol
CH3CH2MgBr
H
H
о
H
Attempt 3
2) (4 pt) After the reaction was completed, the student collected the following data. Crude
product data is the data collected after the reaction is finished, but before the product
is purified. "Pure" product data is the data collected after attempted purification using
recrystallization.
Student B's data:
Crude product data
"Pure"
product data
after
recrystallization
Crude mass: 0.93 g grey solid
Crude mp: 96-106 °C
Crude % yield:
Pure mass: 0.39 g white solid
Pure mp: 111-113 °C
Pure % yield:
a) Calculate the crude and pure percent yields for the student's reaction.
b) Summarize what is indicated by the crude and pure melting points.
Don't used hand raiting
Chapter 14 Solutions
Organic And Biological Chemistry
Ch. 14.1 - Which of the following statements about digestion...Ch. 14.1 - Prob. 2QQCh. 14.1 - The major function of bile released during...Ch. 14.1 - The two major products of triacylglycerol...Ch. 14.1 - Prob. 5QQCh. 14.2 - Hormone-sensitive lipase needed for...Ch. 14.2 - Prob. 2QQCh. 14.2 - Which of the following is not a product of...Ch. 14.3 - Prob. 1QQCh. 14.3 - What is the intermediate compound in the two-step...
Ch. 14.3 - Prob. 3QQCh. 14.4 - In the oxidation of fatty acids, what two...Ch. 14.4 - Prob. 2QQCh. 14.4 - Prob. 3QQCh. 14.4 - Prob. 4QQCh. 14.4 - Prob. 5QQCh. 14.4 - Prob. 6QQCh. 14.5 - Prob. 1QQCh. 14.5 - Prob. 2QQCh. 14.5 - Prob. 3QQCh. 14.6 - Prob. 1QQCh. 14.6 - Prob. 2QQCh. 14.6 - Prob. 3QQCh. 14.6 - Prob. 4QQCh. 14.6 - Prob. 5QQCh. 14.6 - Prob. 6QQCh. 14.7 - The process of lipogenesis occurs in the a....Ch. 14.7 - Prob. 2QQCh. 14.7 - Prob. 3QQCh. 14.7 - Prob. 4QQCh. 14.7 - The reducing agent needed in the process of...Ch. 14.7 - Prob. 6QQCh. 14.8 - Prob. 1QQCh. 14.8 - Prob. 2QQCh. 14.9 - Prob. 1QQCh. 14.9 - Prob. 2QQCh. 14.9 - Prob. 3QQCh. 14.9 - Prob. 4QQCh. 14.10 - Which of the following substances cannot be...Ch. 14.10 - Prob. 2QQCh. 14.10 - Prob. 3QQCh. 14.11 - Prob. 1QQCh. 14.11 - Which of the following B-vitamin-containing...Ch. 14.11 - Prob. 3QQCh. 14 - Indicate whether each of the following aspects of...Ch. 14 - Indicate whether each of the following aspects of...Ch. 14 - Prob. 14.3EPCh. 14 - Prob. 14.4EPCh. 14 - Indicate whether each of the following statements...Ch. 14 - Prob. 14.6EPCh. 14 - Prob. 14.7EPCh. 14 - Prob. 14.8EPCh. 14 - Prob. 14.9EPCh. 14 - Prob. 14.10EPCh. 14 - At what location are free fatty acids and...Ch. 14 - Prob. 14.12EPCh. 14 - Prob. 14.13EPCh. 14 - What is the major metabolic function of adipose...Ch. 14 - What is triacylglycerol mobilization?Ch. 14 - Prob. 14.16EPCh. 14 - Prob. 14.17EPCh. 14 - Triacylglycerols in adipose tissue do not enter...Ch. 14 - In which step of glycerol metabolism does each of...Ch. 14 - Prob. 14.20EPCh. 14 - Prob. 14.21EPCh. 14 - How does the structure of dihydroxyacetone...Ch. 14 - Prob. 14.23EPCh. 14 - Prob. 14.24EPCh. 14 - Prob. 14.25EPCh. 14 - Prob. 14.26EPCh. 14 - Prob. 14.27EPCh. 14 - Identify the oxidizing agent needed in Step 3 of a...Ch. 14 - Prob. 14.29EPCh. 14 - Prob. 14.30EPCh. 14 - Prob. 14.31EPCh. 14 - Prob. 14.32EPCh. 14 - Prob. 14.33EPCh. 14 - Prob. 14.34EPCh. 14 - Prob. 14.35EPCh. 14 - Prob. 14.36EPCh. 14 - Prob. 14.37EPCh. 14 - Prob. 14.38EPCh. 14 - Prob. 14.39EPCh. 14 - Prob. 14.40EPCh. 14 - Prob. 14.41EPCh. 14 - Prob. 14.42EPCh. 14 - How many turns of the -oxidation pathway would be...Ch. 14 - How many turns of the -oxidation pathway would be...Ch. 14 - Prob. 14.45EPCh. 14 - Prob. 14.46EPCh. 14 - Prob. 14.47EPCh. 14 - Prob. 14.48EPCh. 14 - Prob. 14.49EPCh. 14 - Prob. 14.50EPCh. 14 - Prob. 14.51EPCh. 14 - Prob. 14.52EPCh. 14 - Prob. 14.53EPCh. 14 - Prob. 14.54EPCh. 14 - Prob. 14.55EPCh. 14 - Prob. 14.56EPCh. 14 - Prob. 14.57EPCh. 14 - Which yield more NADH, saturated or unsaturated...Ch. 14 - Prob. 14.59EPCh. 14 - Prob. 14.60EPCh. 14 - Prob. 14.61EPCh. 14 - Why does a deficiency of carbohydrates in the diet...Ch. 14 - Prob. 14.63EPCh. 14 - Prob. 14.64EPCh. 14 - Prob. 14.65EPCh. 14 - Prob. 14.66EPCh. 14 - Prob. 14.67EPCh. 14 - Prob. 14.68EPCh. 14 - Prob. 14.69EPCh. 14 - Prob. 14.70EPCh. 14 - Prob. 14.71EPCh. 14 - Prob. 14.72EPCh. 14 - Prob. 14.73EPCh. 14 - Prob. 14.74EPCh. 14 - Prob. 14.75EPCh. 14 - Severe ketosis situations produce acidosis....Ch. 14 - Prob. 14.77EPCh. 14 - Prob. 14.78EPCh. 14 - Prob. 14.79EPCh. 14 - Prob. 14.80EPCh. 14 - Prob. 14.81EPCh. 14 - Prob. 14.82EPCh. 14 - Prob. 14.83EPCh. 14 - Prob. 14.84EPCh. 14 - Prob. 14.85EPCh. 14 - Prob. 14.86EPCh. 14 - Prob. 14.87EPCh. 14 - Prob. 14.88EPCh. 14 - Prob. 14.89EPCh. 14 - Prob. 14.90EPCh. 14 - Prob. 14.91EPCh. 14 - Prob. 14.92EPCh. 14 - Prob. 14.93EPCh. 14 - Prob. 14.94EPCh. 14 - What role does molecular oxygen, O2, play in fatty...Ch. 14 - Prob. 14.96EPCh. 14 - Prob. 14.97EPCh. 14 - Prob. 14.98EPCh. 14 - Prob. 14.99EPCh. 14 - Prob. 14.100EPCh. 14 - Prob. 14.101EPCh. 14 - Prob. 14.102EPCh. 14 - Prob. 14.103EPCh. 14 - Prob. 14.104EPCh. 14 - Prob. 14.105EPCh. 14 - Prob. 14.106EPCh. 14 - Prob. 14.107EPCh. 14 - Prob. 14.108EPCh. 14 - Prob. 14.109EPCh. 14 - Prob. 14.110EPCh. 14 - Prob. 14.111EPCh. 14 - Prob. 14.112EPCh. 14 - Prob. 14.113EPCh. 14 - Prob. 14.114EP
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