(a) Interpretation: Thiols should be identified after reduction of C H 3 S − S C H 2 C H 2 C H 3 . Concept Introduction: Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon. Reaction of disulfides with reducing agentwill form thiolsand the reaction is known as a reduction reaction.

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Answer 1

Question

Chapter 14, Problem 77P

Interpretation Introduction

(a)

Interpretation:

Thiols should be identified after reduction of CH3S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agentwill form thiolsand the reaction is known as a reduction reaction.

Interpretation Introduction

(b)

Interpretation:

Thiols should be identified after reduction of CH2=CHCH2S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agent will form thiols and the reaction is known as a reduction reaction.

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Leucine is an essential amino acid with the systematic name 2-amino-3-methylpentanoic acid. It has pai 2.36 and pKa2 = 9.60. H2N-C(R)H-COOH and R is -CH2-CH(CH3)2 A. Draw the condensed structure for leucine, and label all chirality centers with an asterisk. B. How many possible stereoisomers of leucine are there? C. Draw a Fischer projection of L-leucine and label the chirality center(s) as R or S. D. What is the p/ of leucine? E. Draw the structure of the predominant form of leucine at 10.00. F. Draw the structure of the predominant form of leucine at pH = 1.50. G. Leucine is described as an essential amino acid. What does this mean? H. Show the alkyl halide you would use to prepare leucine by the amidomalonate method. =

Answer 2

Question

Chapter 14, Problem 77P

Interpretation Introduction

(a)

Interpretation:

Thiols should be identified after reduction of CH3S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agentwill form thiolsand the reaction is known as a reduction reaction.

Interpretation Introduction

(b)

Interpretation:

Thiols should be identified after reduction of CH2=CHCH2S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agent will form thiols and the reaction is known as a reduction reaction.

Expert Solution & Answer

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Answer 3

Question

Chapter 14, Problem 77P

Interpretation Introduction

(a)

Interpretation:

Thiols should be identified after reduction of CH3S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agentwill form thiolsand the reaction is known as a reduction reaction.

Interpretation Introduction

(b)

Interpretation:

Thiols should be identified after reduction of CH2=CHCH2S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agent will form thiols and the reaction is known as a reduction reaction.

Expert Solution & Answer

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Answer 4

Question

Chapter 14, Problem 77P

Interpretation Introduction

(a)

Interpretation:

Thiols should be identified after reduction of CH3S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agentwill form thiolsand the reaction is known as a reduction reaction.

Interpretation Introduction

(b)

Interpretation:

Thiols should be identified after reduction of CH2=CHCH2S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agent will form thiols and the reaction is known as a reduction reaction.

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Answer 5

Chapter 14, Problem 77P

Interpretation Introduction

(a)

Interpretation:

Thiols should be identified after reduction of CH3S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agentwill form thiolsand the reaction is known as a reduction reaction.

Interpretation Introduction

(b)

Interpretation:

Thiols should be identified after reduction of CH2=CHCH2S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agent will form thiols and the reaction is known as a reduction reaction.

Answer 6

Chapter 14, Problem 77P

Interpretation Introduction

(a)

Interpretation:

Thiols should be identified after reduction of CH3S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agentwill form thiolsand the reaction is known as a reduction reaction.

Answer 7

Chapter 14, Problem 77P

Interpretation Introduction

(a)

Interpretation:

Thiols should be identified after reduction of CH3S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agentwill form thiolsand the reaction is known as a reduction reaction.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Thiols should be identified after reduction of CH2=CHCH2S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agent will form thiols and the reaction is known as a reduction reaction.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Thiols should be identified after reduction of CH2=CHCH2S−SCH2CH2CH3.

Concept Introduction:

Thiols are organic compounds which contains a sulfhydryl group (SH group) bonded to a tetrahedral carbon.

Reaction of disulfides with reducing agent will form thiols and the reaction is known as a reduction reaction.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 14.1 - Prob. 14.1P Ch. 14.2 - Prob. 14.1PP Ch. 14.2 - Classify each hydroxyl group in sorbitol as 1°,...Ch. 14.2 - Prob. 14.3P Ch. 14.2 - Prob. 14.4P Ch. 14.3 - Prob. 14.2PP Ch. 14.3 - Give the structure corresponding to each name a....Ch. 14.5 - Draw the products formed when each alcohol is...Ch. 14.5 - Prob. 14.6P Ch. 14.5 - Prob. 14.7P

Solution Summary: The author explains that thiols are considered as sulfur analogs of alcohols since S is placed directly below to the oxygen in the periodic table and disulfides undergo reduction reactions.

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Chapter 14 Solutions