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- Provide reagents/conditions to accomplish the following syntheses. Several steps are required in some cases. H2N NH2 Но TH. NH2 HOProvide reagentsFor following substituted benzenes: [1] C6H5Br; [2] C6H5CN; [3] C6H5OCOCH3: Does the substituent activate or deactivate the benzene ring inelectrophilic aromatic substitution?
- Suggest possible synthetic route for each of following transformations. Show the reagents,intermediates and products.Propose the synthesis for the following transformation.Benzoic acid, Ph-COOH (C6H5CO2H), is not soluble in water while it dissolves in ether (diethyl ether), (CH3CH2)2O. Yet upon treatment with sodium hydroxide, benzoic acid turns hydrophilic and dissolves in water. Provide chemical explanation of this observation.
- Provide reagentsCompound A (C9H18O) forms a phenylhydrazone, but it gives a negative Tollens’ test. The IR spectrum of A has a strong band near 1710 cm−1 . The broadband carbon NMR spectrum of A is given below. a)Propose a structure for A and explain how your structure fits the spectral data. b) Propose a mechanism for this reaction.Ibufenac, a para-disubstituted arene with the structure HO2CCH2C6H4CH2CH(CH3)2, is a much more potent analgesic than aspirin, but it was never sold commercially because it caused liver toxicity in some clinical trials. Devise a synthesis of ibufenac from benzene and organic halides having fewer than five carbons.
- An unknown compound A of molecular formula C10H18O reacts with H2SO4 to form two compounds (B and C)of molecular formula C10H16. B and C both react with H2 in the presence of Pd-C to form decalin. Ozonolysis of B forms D, and ozonolysis of C forms a diketone E of molecular formula C10H16O2. Identify the structures of compounds A, B, C, and E.Provide the mechanism for this reaction (include arrow pushing) ОН 2-lodobenzoic acid K2S2O8 H2SO4 ОН OSO3H ОН 양 diphenyliodonium-2-Carboxylate benzyneProvide a mechanism for the following transformation. кон, А
