Organic Chemistry
7th Edition
ISBN: 9780321803221
Author: Paula Y. Bruice
Publisher: Prentice Hall
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Chapter 22, Problem 56P
Interpretation Introduction
Interpretation:
The difference in the
Concept introduction:
The value of
If the acidity or easiness of the protonation is high for a compound, then the value of the
The structure of alanine is,
The structure of serine is,
The structure of cysteine is,
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23.34 Show how to convert each starting material into isobutylamine in good yield.
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Chapter 22 Solutions
Organic Chemistry
Ch. 22.1 - a. Explain why, when the imidazole ring of...Ch. 22.2 - a. Which isomer(R)-alanine or (S)-alanineis...Ch. 22.2 - Prob. 4PCh. 22.3 - Prob. 5PCh. 22.3 - Prob. 6PCh. 22.3 - Draw the predominant form for glutamate in a...Ch. 22.3 - a. Why is the pKa of the glutamate side chain...Ch. 22.4 - Explain why the pI of lysine is the average of the...Ch. 22.4 - Calculate the pI of each of the following amino...Ch. 22.4 - a. Which amino acid has the lowest pI value? b....
Ch. 22.4 - Prob. 13PCh. 22.5 - What aldehyde is formed when valine is treated...Ch. 22.5 - Prob. 15PCh. 22.5 - Prob. 16PCh. 22.5 - Prob. 17PCh. 22.5 - Prob. 18PCh. 22.6 - Why is excess ammonia used in the preceding...Ch. 22.6 - Prob. 20PCh. 22.6 - What amino acid is formed using the...Ch. 22.6 - Prob. 22PCh. 22.6 - What amino acid is formed when the aldehyde used...Ch. 22.7 - Esterase is an enzyme that catalyzes the...Ch. 22.8 - Draw the tetrapeptide Ala-Thr-Asp-Asn and indicate...Ch. 22.8 - Prob. 26PCh. 22.8 - Prob. 27PCh. 22.8 - Which bonds in the backbone of a peptide can...Ch. 22.9 - What is the configuration about each of the...Ch. 22.9 - Glutathione is a tripeptide whose function is to...Ch. 22.10 - What dipeptides would be formed by heating a...Ch. 22.10 - Suppose you are trying to synthesize the dipeptide...Ch. 22.10 - Show the steps in the synthesis of the...Ch. 22.10 - a. Calculate the overall yield of bradykinin when...Ch. 22.11 - Show the steps in the synthesis of the...Ch. 22.13 - Prob. 36PCh. 22.13 - In determining the primary structure of insulin,...Ch. 22.13 - A decapeptide undergoes partial hydrolysis to give...Ch. 22.13 - Explain why cyanogen bromide does not cleave on...Ch. 22.13 - Indicate the peptides produced from cleavage by...Ch. 22.13 - Prob. 42PCh. 22.13 - Three peptides were obtained from a trypsin...Ch. 22.14 - Prob. 44PCh. 22.15 - How would a protein that resides in the nonpolar...Ch. 22.16 - a. Which would have the greatest percentage of...Ch. 22 - Prob. 47PCh. 22 - Glycine has pK2 values of 2.34 and 9.60. At what...Ch. 22 - Prob. 49PCh. 22 - Prob. 50PCh. 22 - Aspartame (its structure is on page 1007) has a pl...Ch. 22 - Draw the form of aspartate that predominates at...Ch. 22 - A professor was preparing a manuscript for...Ch. 22 - Prob. 54PCh. 22 - Determine the amino acid sequence of a polypeptide...Ch. 22 - Prob. 56PCh. 22 - Which is the more effective buffer at...Ch. 22 - Identify the location and type of charge on the...Ch. 22 - Draw the product obtained when a lysine side chain...Ch. 22 - After the polypeptide shown below was treated with...Ch. 22 - Treatment of a polypeptide with 2-mercaptoethanol...Ch. 22 - Show how aspartame can be synthesized using DCCD.Ch. 22 - -Amino acids can be prepared by treating an...Ch. 22 - Reaction of a polypeptide with carboxypeptidase A...Ch. 22 - a. How many different octapeptides can be made...Ch. 22 - Glycine has pKa values of 2.3 and 9.6. Do you...Ch. 22 - A mixture of 15 amino acids gave the fingerprint...Ch. 22 - Write the mechanism for the reaction of an amino...Ch. 22 - Prob. 69PCh. 22 - Show how valine can be prepared by a. a...Ch. 22 - A chemist wanted to test his hypothesis that the...Ch. 22 - Propose a mechanism for the rearrangement of the...Ch. 22 - A normal polypeptide and a mutant of the...Ch. 22 - Determine the amino acid sequence of a polypeptide...
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- Propose a synthesis of 1-butanamine from the following: (a) a chloroalkane of three carbons (b) a chloroalkane of four carbonsarrow_forwardSelect the stronger base from each pair of compounds. (a) H₂CNH₂ or EtzN (b) CI or NH2 NH2 (c) .Q or EtzN (d) or (e) N or (f) H or Harrow_forward4. Provide a clear arrow-pushing mechanism for each of the following reactions. Do not skip proton transfers, do not combine steps, and make sure your arrows are clear enough to be interpreted without ambiguity. a. 2. 1. LDA 3. H3O+ HOarrow_forward
- b. H3C CH3 H3O+ ✓ H OHarrow_forward2. Provide reagents/conditions to accomplish the following syntheses. More than one step is required in some cases. a. CH3arrow_forwardIdentify and provide an explanation that distinguishes a qualitative and quantitative chemical analysis. Provide examples.arrow_forward
- Identify and provide an explanation of the operational principles behind a Atomic Absorption Spectrometer (AAS). List the steps involved.arrow_forwardInstructions: Complete the questions in the space provided. Show all your work 1. You are trying to determine the rate law expression for a reaction that you are completing at 25°C. You measure the initial reaction rate and the starting concentrations of the reactions for 4 trials. BrO³¯ (aq) + 5Br¯ (aq) + 6H* (aq) → 3Br₂ (l) + 3H2O (l) Initial rate Trial [BrO3] [H*] [Br] (mol/L) (mol/L) | (mol/L) (mol/L.s) 1 0.10 0.10 0.10 8.0 2 0.20 0.10 0.10 16 3 0.10 0.20 0.10 16 4 0.10 0.10 0.20 32 a. Based on the above data what is the rate law expression? b. Solve for the value of k (make sure to include proper units) 2. The proposed reaction mechanism is as follows: i. ii. BrО¸¯ (aq) + H+ (aq) → HBrO3 (aq) HBrO³ (aq) + H* (aq) → H₂BrO3* (aq) iii. H₂BrO³* (aq) + Br¯ (aq) → Br₂O₂ (aq) + H2O (l) [Fast] [Medium] [Slow] iv. Br₂O₂ (aq) + 4H*(aq) + 4Br(aq) → 3Br₂ (l) + H2O (l) [Fast] Evaluate the validity of this proposed reaction. Justify your answer.arrow_forwardе. Д CH3 D*, D20arrow_forward
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