1. Give 3 synthetic routes (structural chemical equations) leading to the preparation of Toluene. Use textbook references with appropriate citations. 2. Give 3 reactions of Toluene. Use textbook references with appropriate citations.
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- Eugenol is a natural product derived from the dried flower buds of the evergreentree, Eugenia aromatica. Briefly describe a procedure with reagents required toextract eugenol as a single component from the mixture of compounds presentin these flower buds.1) Discuss three methods that can be utilised to synthesise n – heptane in the laboratory.a) Write a description of the compounds involved in the synthesis (functional groups, specific features). b) Describe the steps involved in the synthesis and the role of each step. Each step should clearly indicate the reagent used, the stereochemistry involved in the reaction and its importance or relevance to the multistep synthesis.
- What is the predominant form of cyclohexylamine at pH 9.5? Approximately what fraction is in this form?Show the electron-flow mechanism of amiline from benzoic acid, this involves predicting major and by-products using electronic and structural effects. The arrow push mechanism must be shown.E. TESTS FOR PHENOLIC COMPOUNDSPhenolic compounds such as phenol, salicylic acid, etc., give characteristiccolors with FeCl3 and Millon’s Reagent.1. Ferric Chloride TestAdd 5 drops of FeCl3 solution to 4 different test tubes containing 1 mL each ofdilute solutions of the following compounds and note the color obtained.a. Phenol _______________________________________________________________b. Salicyclic acid ___________________________________________________________c. Resorcinol _______________________________________________________________d. Picric acid _______________________________________________________________2. Millon’s TestPrepare another set of 4 test tubes containing 1 mL each of the solutions listedbelow. Add 3 drops of Millon’s reagent to each and place all the test tubes in aboiling water bath. Note the color formed.a. Phenol _______________________________________________________________b. Salicylic acid ___________________________________________________________c.…
- The structure of a new antihistamine drug that is structurally related tofexofenadine is attached.a) Identify the key functional group(s) in this molecule. (Image 1)b) Outline a rational THREE (3) step disconnection approach from this compound to the starting material shown below. Use a combination of disconnections and functional group interconversions in your approach. Use disconnection arrows in your working and provide a short description. (Image 1 and 2)How to approach this problem?A student was given from the list of the compounds below A, B and D blindly and asked to identify them all. He treated each of them with Brady's reagent (2,4-ditrophenylhydrazine) and isolated a bright yellow compound for one of them, but the other two gave false negatives. The student reasoned that the false negatives may be due to sterics and, on further thinking, it dawned on him that he might be able to rule out one of the false negatives with the haloform test. What compound did he find compatible with the haloform test? That compound did indeed give a false negative in the Brady test. Which of the other two was positive in the Brady test? A = haloform B = Brady A = haloform D = Brady B = haloform A = Brady B = haloform D = Brady D = haloform A = Brady D = haloform B = Brady
- please provide the machanisms of 1a, 1e, 1fSuggest a retrosynthesis and a synthesis for one (1) of the following compounds starting from benzene or toluene. Use any other necessary reagents. Assume monosubstitution. Refer to the Table of Reagents and SolventsPlease don't provide handwritten solution ..... 2. Predicts the main organic product for the reaction: