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Concept explainers
(a)
Interpretation: The structure of (R)- and (S)-penicillamine is to be drawn.
Concept introduction: The chemical compounds in which carbon is bonded with acidic and basic group along with hydrocarbon side chain are known as amino acids. The configuration of compound is R and S when the substituents around stereogenic center, from higher priority to lower priority, are present in clockwise and anticlockwise direction, respectively.
(b)
Interpretation: The disulfide formed by the oxidation of (S)-penicillamine is to be predicted.
Concept introduction: The chemical compounds in which carbon is bonded with acidic and basic group along with hydrocarbon side chain are known as amino acids. A disulphide bond is formed when two amino acids containing
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Chapter 29 Solutions
Organic Chemistry-Package(Custom)
- Digitalis is a preparation made from the dried seeds and leaves of the purple foxglove, Digitalis purpurea, a plant native to southern and central Europe and cultivated in the United States. The preparation is a mixture of several active components, including digitalin. Digitalis is used in medicine to increase the force of myocardial contraction and as a conduction depressant to decrease heart rate (the heart pumps more forcefully but less often).arrow_forward1. What chemical structural differences are there between the monoterpenes and alkaloids? 2. What do you understand by ‘biogenic isoprene rule’? Who proposed these rule and what is the significance of these rule?arrow_forward1. What is the reaction Benzoic acid+ NaOH+H20+HCL yield? Please write in chemical structure ! 2. What is the reaction p-nitroaniline + H2O+ HCL+ NaOH yield?arrow_forward
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- Glutathione is a tripeptide whose function is to destroy harmful oxidizing agents in the body. Oxidizing agents are thought to be responsible for some of the effects of aging and to play a causative role in cancer. Glutathione removes oxidizing agents by reducing them. In the process, glutathione is oxidized, resulting in the formation of a disulfide bond between two glutathione molecules. An enzyme subsequently reduces the disulfide bond, returning glutathione to its original condition so it can react with another oxidizing agent.a. What amino acids make up glutathione? b. What is unusual about glutathione’s structure?arrow_forwardWhat is an cyclic anion?arrow_forward4. What is one chemical test that can distinguish between 2-hexanone and glucose? Indicate the compound that will have a positive result to the test, if there is. 5. What is one chemical test that can distinguish between 1-hexanol and 3-methyl-3-pentanol? Indicate the compound that will have a positive result to the test, if there is. 6. What is one chemical test that can distinguish between 1-naphthol and 1-hexanol? Indicate the compound that will have a positive result to the test, if there is.arrow_forward
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