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- When a 2, 6-disubstituted allyl phenyl ether is heated in an attempted Claisen rearrangement, migration occurs to give the p-allyl product as the result of two sequential pericyclic reactions. Explain.Draw the mechanism ffrom benzaldehyde to this using: i)NaBH4 ii)TsCl, py iii)NaCN iiii)H+, H2OIs the reagent for all elimination reactions conc. H2SO4? or just the reactions ones with OH?
- dedcue the major organic product from the following reations. be ablw to draw hydration halogenation hydrohalogenation, halohydrin formation, oxymercuratiom demercuration qnd hydroboration oxidation.Which of the following alkenes (a-c) reacts faster with HI?Using chair confirmations, draw the final product of each molecule. Pls explain how are you arrived at the answerthank you!
- Label the α and β carbons in each alkyl halide. Draw all possible elimination products formed when each alkyl halide is treated with K+−OC(CH3)3.Draw the structure(s) of the major organic product(s) of the following reaction. NH₂ O₂N NaNO₂ aqueous HCI at 0°In addition to organic halides, alkyl tosylates (R′OTs) reactwith organocuprates (R2CuLi) to form coupling products R–R′. When 2°alkyl tosylates are used as starting materials (R2CHOTs), inversion of theconfiguration at a stereogenic center results. Keeping this in mind, drawthe product formed when each compound is treated with (CH3)2CuLi.
- 1. SN1 or SN2 2. Draw major product withs steorchemistry 3. include reaction mechanismIn addition to organic halides, alkyl tosylates (R'OTs. Section 9.13) also react with organocuprates (R2CuLi) to form coupling products R – R'. When 2° alkyl tosylatee are used as starting materials (R2CHOTs), inversion of the configuration at a stereogenic center results. Keeping this in mind, draw the product formed when each compound is treated with (CH3)2CuLi.Identify a more stable tautomer from the following enol and keto tautomers. Explainyour answer briefly.
