Organic Chemistry
5th Edition
ISBN: 9780078021558
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 29, Problem 29.23P
Devise a synthesis of each peptide from amino acid starting materials: (a) Leu–Val; (b) Ala–Ile–Gly.
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Devise a synthesis of each peptide from amino acid starting materials: (a) Leu–Val; (b) Ala–Ile–Gly; (c) Ala–Gly–Ala–Gly.
What a-halo carbonyl compound is needed to synthesize each amino acid: (a) glycine; (b) isoleucine; (c) phenylalanine?
What aldehyde is needed to synthesize each amino acid by the Strecker synthesis: (a) valine; (b) leucine; (c) phenylalanine?
Chapter 29 Solutions
Organic Chemistry
Ch. 29 - Prob. 29.1PCh. 29 - Problem 29.2
What form exists at the isoelectric...Ch. 29 - Problem 29.3
Explain why the of the group of an...Ch. 29 - Prob. 29.4PCh. 29 - Problem 29.5
What -halo carbonyl compound is...Ch. 29 - Problem 29.6
The enolate derived from diethyl...Ch. 29 - Problem 29.7
What amino acid is formed when is...Ch. 29 - Problem 29.8
What aldehyde is needed to synthesize...Ch. 29 - Problem 29.9
Draw the products of each...Ch. 29 - Prob. 29.10P
Ch. 29 - Prob. 29.11PCh. 29 - Prob. 29.12PCh. 29 - Problem 29.13
What alkene is needed to synthesize...Ch. 29 - Problem 29.14
Draw the structure of each peptide....Ch. 29 - Problem 29.15
Name each peptide using both the...Ch. 29 - Prob. 29.16PCh. 29 - Prob. 29.17PCh. 29 - Problem 29.18
Glutathione, a powerful antioxidant...Ch. 29 - Problem 29.19
Draw the structure of the...Ch. 29 - Problem 29.20
Give the amino acid sequence of an...Ch. 29 - a What products are formed when each peptide is...Ch. 29 - Prob. 29.22PCh. 29 - Devise a synthesis of each peptide from amino acid...Ch. 29 - Devise a synthesis of the following dipeptide from...Ch. 29 - Prob. 29.25PCh. 29 - Consider two molecules of a tetrapeptide composed...Ch. 29 - What types of stabilizing interactions exist...Ch. 29 - Prob. 29.28PCh. 29 - Draw the product formed when the following amino...Ch. 29 - With reference to the following peptide: a...Ch. 29 - Devise a synthesis of the following dipeptide from...Ch. 29 - Prob. 29.32PCh. 29 - Histidine is classified as a basic amino acid...Ch. 29 - Tryptophan is not classified as a basic amino acid...Ch. 29 - What is the structure of each amino acid at its...Ch. 29 - What is the predominant form of each of the...Ch. 29 - 29.37 What is the predominant form of each of the...Ch. 29 - a. Draw the structure of the tripeptide A–A–A, and...Ch. 29 - 29.39 Draw the organic products formed in each...Ch. 29 - 29.40 What alkyl halide is needed to synthesize...Ch. 29 - 29.41 Devise a synthesis of threonine from diethyl...Ch. 29 - 29.42 Devise a synthesis of each amino acid from...Ch. 29 - Prob. 29.43PCh. 29 - Prob. 29.44PCh. 29 - Prob. 29.45PCh. 29 - Prob. 29.46PCh. 29 - Prob. 29.47PCh. 29 - 29.48 Brucine is a poisonous alkaloid obtained...Ch. 29 - Prob. 29.49PCh. 29 - Prob. 29.50PCh. 29 - Draw the structure for each peptide: (a) Phe–Ala;...Ch. 29 - 29.52 For the tetrapeptide Asp–Arg–Val–Tyr:
a....Ch. 29 - Prob. 29.53PCh. 29 - Prob. 29.54PCh. 29 - 29.55 Draw the amino acids and peptide fragments...Ch. 29 - Prob. 29.56PCh. 29 - Prob. 29.57PCh. 29 - Prob. 29.58PCh. 29 - 29.59 An octapeptide contains the following amino...Ch. 29 - 29.60 Draw the organic products formed in each...Ch. 29 - Draw all the steps in the synthesis of each...Ch. 29 - 29.62 Write out the steps for the synthesis of...Ch. 29 - 29.63 Besides the Boc and Fmoc protecting groups...Ch. 29 - 29.64 Another method to form a peptide bond...Ch. 29 - 29.65 Draw the mechanism for the reaction that...Ch. 29 - 29.66 Which of the following amino acids are...Ch. 29 - 29.67 After the peptide chain of collagen has been...Ch. 29 - Prob. 29.68PCh. 29 - Prob. 29.69PCh. 29 - 29.70 The anti-obesity drug orlistat works by...Ch. 29 - Prob. 29.71P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Draw the structure for each peptide: (a) Phe–Ala; (b) Gly–Gln; (c) Lys–Gly; (d) R - H.arrow_forwardWhat alkene is needed to synthesize each amino acid by an enantioselective hydrogenation reaction using H2 and Rh*: (a) alanine; (b) leucine; (c) glutamine?arrow_forwardDraw both enantiomers of each amino acid and label them as R or S: (a) phenylalanine; (b) methionine.arrow_forward
- Write the complete structures for the following peptides. Tell whether each peptide is acidic, basic, or neutral.(a) methionylthreonine (b) threonylmethioninearrow_forwardDraw three-dimensional representations of the following amino acids.(a) l-phenylalaninearrow_forwardDraw the structure of the N-phenylthiohydantoin formed by initial Edman degradation of each peptide: (a) Ala–Gly–Phe–Phe; (b) Val–Ile–Tyr.arrow_forward
- Draw the product formed when the following amino acid is treated with each reagent: (a) CH3OH, H+; (b) CH3COCl, pyridine; (c) HCl (1 equiv); (d) NaOH (1 equiv); (e) C6H5N=C=S.arrow_forwardWith reference to the following peptide: (a) Identify the N-terminal and Cterminal amino acids. (b) Name the peptide using one-letter abbreviations. (c) Label all the amide bonds in the peptide backbone.arrow_forwardDescribe the function or biological activity of each protein or peptide: (a) collagen; (b) hemoglobin; (c) vasopressin; (d) pepsin; (e) met-enkephalin.arrow_forward
- Draw the amino acids and peptide fragments formed when the decapeptide A–P–F–L–K–W–S–G–R–G is treated with each reagent or enzyme: (a) chymotrypsin; 8 pt helvetica roman (b) trypsin; (c) carboxypeptidase; (d) C6H5N = C = S.arrow_forward(a) Draw the structure of the two possible dipeptides that can be formed by combining valine and phenylalanine. (b) In each dipeptide, label the N- and C-terminal amino acids. (c) Name each peptide using three-letter symbols.arrow_forward
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY