Organic Chemistry (9th Edition)
9th Edition
ISBN: 9780321971371
Author: Leroy G. Wade, Jan W. Simek
Publisher: PEARSON
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Textbook Question
Chapter 24.5A, Problem 24.9P
Show how the following amino acids might be formed in the laboratory by reductive
- a. alanine
- b. leucine
- c. serine
- d. glutamine
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Chapter 24 Solutions
Organic Chemistry (9th Edition)
Ch. 24.2A - Draw three-dimensional representations of the...Ch. 24.2A - Prob. 24.2PCh. 24.2B - The herbicide glyphosate (Roundup) kills plants by...Ch. 24.4 - Draw the structure of the predominant form of a....Ch. 24.4 - Draw the resonance forms of a protonated guanidino...Ch. 24.4 - Although tryptophan contains a heterocyclic amine,...Ch. 24.4 - Prob. 24.7PCh. 24.4 - Prob. 24.8PCh. 24.5A - Show how the following amino acids might be formed...Ch. 24.5B - Prob. 24.10P
Ch. 24.5C - Prob. 24.11PCh. 24.5C - Show how you would use a Strecker synthesis to...Ch. 24.6 - Suggest how you would separate the free i-ammo...Ch. 24.7A - Propose a mechanism for the acid-catalyzed...Ch. 24.7A - Give equations for the formation and...Ch. 24.7B - Prob. 24.16PCh. 24.7C - Prob. 24.17PCh. 24.8B - Draw the complete structures of the following...Ch. 24.9C - Prob. 24.19PCh. 24.9C - Prob. 24.20PCh. 24.9C - Prob. 24.21PCh. 24.9E - Prob. 24.22PCh. 24.9E - Prob. 24.23PCh. 24.10A - Propose a mechanism for the coupling of acetic...Ch. 24.10B - Show how you would synthesize Leu-Gly-Ala-Val-Phe...Ch. 24.10B - Show how solid-phase peptide synthesis would be...Ch. 24 - a. The isoelectric point (pl) of phenylalanine is...Ch. 24 - Prob. 24.28SPCh. 24 - Prob. 24.29SPCh. 24 - Prob. 24.30SPCh. 24 - Prob. 24.31SPCh. 24 - Suggest a method for the synthesis of the...Ch. 24 - Prob. 24.33SPCh. 24 - Write the complete structures for the following...Ch. 24 - The following structure is drawn in an...Ch. 24 - Prob. 24.36SPCh. 24 - Prob. 24.37SPCh. 24 - Show the steps and intermediates in the synthesis...Ch. 24 - Prob. 24.39SPCh. 24 - Lipoic acid is often found near the active sites...Ch. 24 - Prob. 24.41SPCh. 24 - Prob. 24.42SPCh. 24 - Prob. 24.43SPCh. 24 - Complete hydrolysis of an unknown basic...Ch. 24 - Prob. 24.45SPCh. 24 - Prob. 24.46SPCh. 24 - Prob. 24.47SP
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- Show how phenylalanine can be prepared by reductive amination of an α-ketocarboxylic acid.arrow_forwardThree of the following amines can be prepared by the Gabriel synthesis; three cannot. Write equations showing the successful applications of this method. (a) Butylamine (b) Isobutylamine (c) tert-Butylamine (d) 2-Phenylethylamine (e) N-Methylbenzylamine (f) Anilinearrow_forwardAlthough tryptophan contains a heterocyclic amine, it is considered a neutral aminoacid. Explain why the indole nitrogen of tryptophan is more weakly basic than one ofthe imidazole nitrogens of histidine.arrow_forward
- 1. Biogenic Amines are inactivated primarily by a. Sulfonation b. Glucoronidation c. Aromatic hydroxylation d. Methylation 2. A drug can exert its pharmacological effect only if it is a. Protein bound b. Protein unbound c. Free drug d. Both B & C e. Both A & C 3. In order for the drug to be ready and available for absorption, it must be release first from its dosage form with the exception of: a. Capsule b. Tablet c. Solution d. Suspension 4. All of the following are true, except a. Solubility increase with decrease particle size b. Solubility increase with increase surface area c. Solubility increase with increase particle size d. Solubility decrease with decrease surface area 5. The rate in which the drug appears in the bloodstream is also known as a. Half-life b. Potency c. Bioavailability d. Area under the curvearrow_forwardShow how the following amino acids might be formed in the laboratory by reductiveamination of the appropriate a@ketoacid.(a) alaninearrow_forwardWhich of the following substituent is an ortho/para-directing activator and an ortho/para-directing deactivator? a amino group b halogen group c nitro group d carboxyl grouparrow_forward
- give the results of the following compounds after reaction with nitrous acid test a. primary aliphatic amine b. secondary aliphatic amine c. tertiary aliphatic amine d. primary aromatic aminearrow_forwardIndicate whether the following statement is true or false . Benzenesulfonyl chloride or p-toluenesulfonylchloride give N-substituted sulfonamides with primary and secondary amines. The derivative consisting of primary amines is insoluble in dilute NaOH.RightFalsearrow_forwardWhich of the following substituent is a meta-directing deactivator? a amino group b halogenation group c phenyl group d carboxyl grouparrow_forward
- What is the product of the reaction of acetamide with HO-? The pKa of NH3 is 36; the pKa of H2O is 15.7.arrow_forwardSuggest a test you will use to show that a given food substance contains protein. Show how you will use; A modified Gabriel's synthesis A Streckers' synthesis to prepare phenylalanine in the laboratory.arrow_forwardPropose a mechanism for the base-promoted hydrolysis of g@butyrolactonearrow_forward
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