Compare the old (Boot's method) and new (Green) syntheses of Ibuprofen in the light of Green Chemistry principles.
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- Solve the question on the following step: 1) taking suitable example of synthetics. 2) draw the structures of it. 3) reaction of it. 4) why it is danger to the environment.Enantiomerically pure substances have been the target of investments mainly by the pharmaceutical industry. Cases that occurred in 1961, with the commercialization of Thalidomide as a racemic mixture, showed the importance of enantiomeric purity for the community. Therefore, explain: - How to efficiently obtain enantiomerically pure products? - Compare at least two techniques for obtaining pure compounds and highlight their advantages and disadvantages.3.) Islandicin is a simple anthraquinone molecule. Propose a biosynthetic pathway of the compound. он он CH3 он
- 4. The enthalpy change of a chemical process depends only on the initial and final conditions, it is independent of the number of intermediate steps in the process. This sums up the ... a) Hess law b) heat additivity law c) law of the enthalpy of formation d) a and b e) a and c f) b and c 5. The reverse activation energy of a certain exothermic reaction is 50 kJ / mol. The direct activation energy of this reaction is: a) greater than 50 kJ / mol b) less than 50 kJ / mol c) 50 kJ / mol d) 0 kJ / mol 6. What is the overall reaction order for the next reaction. 2A + B – 2C + D v = k [A]• [B]* b) 4 c) 3 d) 2 e) 1 5432N1. In what ways do the systematic developments of pesticidesand of pharmaceuticals resemble each other, and in whatways do they differ? Consider such aspects as “deceptor”molecules, which are mistaken by living organisms forother molecules; side effects; and the relative advantagesof a broad versus a narrow spectrum of activity2. Isolation of Eugenol a) Devise a flow chart that summarizes the distillation, extraction, and isolation of eugenol performed in this experiment. b) Would you be able to isolate either ethanol from fermented fruit or R-limonene from the peels of oranges by steam distillation? Briefly explain your answer for each case. H. R-limonene
- 1. complete the table below: Volume Procedure (mL) Crude 120 extract GFC 20 IEX 10 Protein Total Unit Total Specific content protein Activity Activity Activity (mg/mL) (mg) (U/mL) (U) (U/mg) 20 (a) (d) 0.356 (h) 11 (b) (e) 0.207 (i) 9 (c) (f) (g) (j) % Purification Recovery fold (k) (1) (n) (m) (0)Based on the USP XXII and NF XVIII, list the part of a monograph of the following: crude drug, natural product, and natural derivatives. The given question to me is: What is a pharmacopeial monograph? Based on the USP XXII and NF XVIII, list the part of a monograph of the following: crude drug, natural product, and natural derivatives.1. The antibacterial activity of flavonoids was tested against the bacterial strain, Escherichia coli. The minimum inhibitory concentration at which 50% of the compounds were inhibited (MIC50) are presented in the table below for some of the compounds. Table 1: Antibacterial activity of flavonoids tested against E. coli Compound MIC50 (µg/mL) Kaempferol 25.50 Quercetin 35.76 36.72 67.25 137.10 156.34 238.94 320.88 Compound X Luteolin Tangeritin 5,6,7,4'-Tetramethoxyflavone Genistin Genistein 1.4 If galangin were tested, how would its antibacterial activity compare to that of the other flavonoids? Explain your answer.
- Propose a reasonable synthetic route for the preparation of the substituted benzene derivative shown below. You may use whatever reagents are necessary to transform the starting molecule into the desired product. CH(CH3)2 step 1 step 2 step 3 čOH Step 1 reagent/reagents %3D Step 2 reagent/reagents %3D Step 3 reagent/reagentsName the three basic classes of drug targets in medicinal chemistry and indicate, which are the most/least important as targets for biologics? I don't sure if I answer these questions correctly. Hope someone can give me confirmation and explain to me how enzymes will be affected by bioloigcs? My answer so far: The three common classes of drug targets are; receptors, nucleic acid, and enzymes. As a target for biologics, the least important will be a nucleic acid, and the most important will be receptor and second enzymes. Biologic drugs such as monoclonal antibodies will bind to the antigens, which are overexpressed receptor that need to be deactivated. In this case, the monoclonal antibodies will act as an antagonist and block the ligand from binding to the antigens, which are extensively presented in cancer cells. In addition, it can also affect enzymes by.......?6. How many half-lives (t1/2) would it take for 99.9% of any initial concentration of a drug to decompose? Assume first-order kinetics.