Concept explainers
(a)
Interpretation:
The structure of glucose-1-phosphate molecule should be drawn.
Concept Introduction:
Carbohydrates are the most important
(b)
Interpretation:
The equation for the hydrolysis of glucose-1-phosphate to glucose and HPO42- ion should be determined.
Concept Introduction:
Carbohydrates are the most important biomolecules which are composed of certain monomer units. These monomer units are known as monosaccharides. They are poly-hydroxy carbonyl compounds. Glucose is one of the simplest monosaccharides with
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Chapter 23 Solutions
GENERAL,ORGANIC, & BIOLOGICAL CHEM-ACCES
- Nitration of Methyl Benzoate: 1. Predict the major product for the reaction below AND provide a mechanism. Include ALL resonance structures for the intermediate. C(CH3)3 NO₂* ? 2. Assuming the stoichiometry is 1:1 for the reaction above, what volume of concentrated nitric acid would be required to mononitrate 0.50 grams of the compound above? What product(s) might you expect if you nitrated phenol instead of methyl benzoate? Explain your reasoning. What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?arrow_forwardSodium Borohydride Reduction (continued on the next page): 1. Draw the product of each of the reactions below and give the formula mass to the nearest whole number. ? (1) NaBH (2) acid (1) NaBD4 (2) acid ? 2. In mass spectra, alcohols typically break as shown in equation 8 in chapter 11 (refer to your lab manual). The larger group is generally lost and this gives rise to the base peak in the mass spectrum. For the products of each of the reactions in question # 1, draw the ion corresponding to the base peak for that product and give its mass to charge ratio (m/z). 3. Given the reaction below, calculate how many mg of 1-phenyl-1-butanol that can be produced using 31 mg NaBH4 and an excess of butyrophenone. 4. + NaBH4 OH (after workup with dilute HCI) What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?arrow_forwardAspirin from Wintergreen: 1. In isolating the salicylic acid, why is it important to press out as much of the water as possible? Write a step-by-step mechanism for the esterification of salicylic acid with acetic anhydride catalyzed by concentrated H₂SO4. 3. Calculate the exact monoisotopic mass of aspirin showing your work. What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?arrow_forward
- Synthesis of Ibuprofen-Part 1: 1. What characteristic absorption band changes would you expect in the IR spectrum on going from p-isobutylacetophenone to 1-(4-isobutylphenyl)-ethanol and then to 1-(4-isobutylphenyl)-1-choroethane as you did in the experiment today? Give approximate wavenumbers associated with each functional group change. Given that the mechanism of the chlorination reaction today involves formation of a benzylic carbocation, explain why the following rearranged product is not formed. محرم محمد 3. Why do we use dilute HCl for the first step of the reaction today and concentrated HCI for the second step? What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?arrow_forwardAssign only the C NMRarrow_forwardDraw out the SALCs of wach orbital in a AlCl3 molecule.arrow_forward
- Which of the following is 3-ethyl-2-methylpentane? хarrow_forwardCan you please help me with this problem and explain it step by step? I'm so confused about itarrow_forward2. Identify the reagents you would need to achieve the following. You may need to consider using a protecting group. HO 1. 2. 3. 4. 5. OH Br HOarrow_forward
- BeF2 exists as a linear molecule. Which kind of hybrid orbitals does Be use in this compound? Use Orbital Diagrams to show how the orbitals are formed. (6)arrow_forwardPlease answer the questions and provide detailed explanations as well as a drawing to show the signals in the molecule.arrow_forwardPropose an efficient synthesis for the following transformation: EN The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. t-BuOK B. Na2Cr2O7, H2SO4, H2O C. NBS, heat F. NaCN D. MeOH E. NaOH G. MeONa H. H2O I. 1) O3; 2) DMSarrow_forward
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning
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