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 Step 1 reagent/reagents %3D Step 2 reagent/reagents = %3D Step 3 reagent/reagents %3D
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- Which of these heterocyclic drugs is likely to be the least soluble in water? Use the Fsp³ parameter to decide. OH Tramadol Chemical Formula: C16H25NO2 YOUR OW Pantoprazole Torasemide Chemical Formula: C16H15F2N3O4S Chemical Formula: C16H20N4O3S Temazepam -OH Chemical Formula: C16H13CIN₂O2 Tioconazole Chemical Formula: C16H13C3N₂OS A. Tramadol B. Pantoprazole C. Torasemide D. Temazepam E. ToconazoleThere are parts A-C for this picture included. A) What type of enzyme is Malate Dehydrogenase? choices: Hydrolase, Isomerase, Ligase, Oxideoreductase, Transferase, or Translocase B) Which of the following statements are true in biochemical standard conditions? There can be more than 1. Choices: The reaction is spontaneous since ∆G°' is positive The reaction is spontaneous since ∆G°' is negative The reaction is not spontaneous since ∆G°' is positive The reaction is not spontaneous since ∆G°' is positive The equilibrium favors products since K is greater than 1 The equilibrium favors reactants since K is greater than 1 The equilibrium favors products since K is less than 1 The equilibrium favors reactants since K is less than 1 The reaction is always at equilibrium C) If the concentration of Oxaloacetate is 10^7 times lower than the concentration of Malate D.,Is the reaction Spontanuous? Choices: No, because RTInQ is very positive Yes, because RTlnQ is very…Chitinase is a protein that breaks down chitin, a primary component of the cell wall in fungi, scales in fish and exoskeletons of arthropods. The activity of chitinase extracted from a plant was shown to be optimum at pH 5. You were tasked to prepare 300 mL of 150 mM buffer solution for further analysis of the extracted chitinase. REAGENTS Ka 2.5M Acetic acid Solid NaOAc•3H2O [136.08g/mol] 1.76 x 10-5 2.5M NH3 Solid NH4Cl [53.49g/mol] 5.6 x 10-10 2.5M Lactic acid Solid sodium lactate [112.06g/mol] 4.0 x 10-5 5 M HCl 5M NaOH Pls show sol'ns 1. Given the following reagents, give the moles of each component (acid & base).2. What are the mass/volume of the components needed to prepare the buffer? 3. What will the pH of the buffer be if 1mL of 5 M NaOH was added?
- A bacterial culture is grown using either octadecane (C18H38) or pentachlorophenol (C6HOCI5)) as the sole source of carbon and energy. The cell yield value is determined by dry weight analysis to be 1.49 for octadecane and 0.05 for pentachlorophenol. Using either octadecane or pentachlorophenol, please describe the steps taken (and the final result) showing what percentage of the substrate carbon will be found as cell mass and as CO2?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.Why Cepacol is used ?
- Show how you would accomplish the following synthetic transformations. Show all intermediates.(a) 2,2@dibromobutane ¡ but@1@yne (b) 2,2@dibromobutane ¡ but@2@yne(c) but@1@yne ¡ oct@3@yne (d) trans@hex@2@ene ¡ hex@2@yne(e) 2,2@dibromohexane ¡ hex@1@yne (f) cyclodecyne ¡ cis@cyclodecene(g) cyclodecyne ¡ trans@cyclodecene (h) hex@1@yne ¡ hexan@2@one, CH3COCH2CH2CH2CH3(i) hex@1@yne ¡ hexanal, CH3(CH2)4CHO (j) trans@hex@2@ene ¡ cis@hex@2@eneIn biomaterial production experiments;Why we use glutaraldehyde? What can we use instead of glutaraldehyde?What are the applications of hydrogels and cryogels ?What is the main difference between the two isoterms?Why safranin use as the sample dye?Explain the preservation method used in homemade pickled ginger and discuss the biochemical changes that might occur in it.
- Devise a solid-phase synthesis of the Ala-Leu-Val-Phe-Met, using Fmoc protection and the Chlorotrityl or Wang resins .To purify a given enzyme from a crude extract that contains it, fractional precipitations, exchange chromatography are successively tested ionic and exclusion chromatography, with the results shown in the following table: Volume of dissolution Protein concentration Enzymatic activity (ml) (mg/ml) (U/ml) a) Calculate the percentage of recovery of the enzyme after each of the manipulations to which it has been subjected. b) Indicate if it is necessary to continue purifying the enzyme or if it is expected to have reached its electrophoretic homogeneity.For 4-aminosalycilic acid please pick only the second choice phase 2 metabolite per handle present in the drug: OH H,N 4-Aminosalicylic acid OH إختر واحدة أو أكث OH OH NH, HN HO. OH HN HN он HO HO он HQ HO. HO. HN