Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Chapter 26.6, Problem 12P
The octapeptide angiotensin II has the sequence Asp-Arg-Val-Tyr-Ile-His-Pro- Phe. What fragments would result if angiotensin II were cleaved with trypsin? With chymotrypsin?
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Vnk the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest bolling
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substance
C
D
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CH,-N-CH,
CH,
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..!! Br
OH
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c) Draw the curved arrow mechanism for the reaction.
d) What happens to the SN1 reaction rate in each of these instances:
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Br
"CI
2. Change the substrate to
3. Change the solvent from 100% CH3CH2OH to 10% CH3CH2OH + 90% DMF
4. Increase the substrate concentration by 3-fold.
Chapter 26 Solutions
Organic Chemistry
Ch. 26.1 - How many of the -amino acids shown in Table 26-1...Ch. 26.1 - Prob. 2PCh. 26.1 - Prob. 3PCh. 26.2 - Hemoglobin has pI=6.8. Does hemoglobin have a net...Ch. 26.3 - Show how you could prepare the following -amino...Ch. 26.3 - What alkyl halides would you use to prepare the...Ch. 26.3 - Prob. 7PCh. 26.4 - There are six isomeric tripeptides that contain...Ch. 26.4 - Draw the structure of M-P-V-G, and indicate its...Ch. 26.5 - Prob. 10P
Ch. 26.5 - Prob. 11PCh. 26.6 - The octapeptide angiotensin II has the sequence...Ch. 26.6 - Prob. 13PCh. 26.6 - Prob. 14PCh. 26.6 - Give the amino acid sequence of hexapeptides that...Ch. 26.7 - Prob. 16PCh. 26.7 - Write all five steps required for the synthesis of...Ch. 26.10 - Prob. 18PCh. 26.SE - Identify the following amino acids:Ch. 26.SE - Prob. 20VCCh. 26.SE - Isoleucine and threonine are the only two amino...Ch. 26.SE - Prob. 22VCCh. 26.SE - Give the sequence of the following tetrapeptide:Ch. 26.SE - Prob. 24MPCh. 26.SE - The chloromethylated polystyrene resin used for...Ch. 26.SE - Prob. 26MPCh. 26.SE - Prob. 27MPCh. 26.SE - Prob. 28MPCh. 26.SE - Except for cysteine, only S amino acids occur in...Ch. 26.SE - Prob. 30APCh. 26.SE - Prob. 31APCh. 26.SE - Show the structures of the following amino acids...Ch. 26.SE - Prob. 33APCh. 26.SE - Using both three- and one-letter codes for amino...Ch. 26.SE - Prob. 35APCh. 26.SE - Show how you could use the acetamidomalonate...Ch. 26.SE - Prob. 37APCh. 26.SE - Show how you could prepare the following amino...Ch. 26.SE - Prob. 39APCh. 26.SE - Predict the product of the reaction of valine with...Ch. 26.SE - Prob. 41APCh. 26.SE - Prob. 42APCh. 26.SE - Propose two structures for a tripeptide that gives...Ch. 26.SE - Show the steps involved in a synthesis of...Ch. 26.SE - Prob. 45APCh. 26.SE - Prob. 46APCh. 26.SE - Prob. 47APCh. 26.SE - Which of the following amino acids are more likely...Ch. 26.SE - Leuprolide is a synthetic nonapeptide used to...Ch. 26.SE - The -helical parts of myoglobin and other proteins...Ch. 26.SE - Prob. 51APCh. 26.SE - Cytochrome c is an enzyme found in the cells of...Ch. 26.SE - Prob. 53APCh. 26.SE - Prob. 54APCh. 26.SE - Prob. 55APCh. 26.SE - What is the structure of a nonapeptide that gives...Ch. 26.SE - Oxytocin, a nonapeptide hormone secreted by the...Ch. 26.SE - Aspartame, a nonnutritive sweetener marketed under...Ch. 26.SE - Prob. 59APCh. 26.SE - Prob. 60APCh. 26.SE - Prob. 61APCh. 26.SE - Prob. 62AP
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