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- a) Which base would be the best base to use for both of these and why? b) Give the expected product for the Claisen condensation reaction of A). c) Compound A) will successfully undergo a Claisen condensation reaction, however, Compound B) will not. Briefly explain why, and show the form of the product for Compound A) that makes the reaction possible.Give the major organic product of the following reaction sequences (d & e).(−)-Hyoscyamine, an optically active drug used to treat gastrointestinal disorders, is isolated from Atropa belladonna, the deadly nightshade plant, by a basic aqueous extraction procedure. If too much base is used during isolation, optically inactive material is isolated. (a) Explain this result by drawing a stepwise mechanism. (b) Explain why littorine, an isomerisolated from the tailower plant in Australia, can be obtained optically pure regardless of the amount of base used during isolation.
- Compound A produce compound D while undergo Friedel Crafts Alkylation. Compound D is then oxidized and produce compound E (C11H12O3) as a major product.What are the possible structural formula of compound D and E?Give the structure of compound 1 and compound 2The following equation shows the bromination of compound 1. Propose a structure for product D and a curved arrow mechanism that accounts for its formation featuring the initiation, propagation and termination steps. can you also discuss the stereochemical outcome.
- Bringing together your knowledge of the reaction chemistry of substituted benzenes, suggest a preparative route for conversion of compound A to compound B shown belowPropose a high yield laboratory synthesis of β-bisabolene from starting materials of five carbons or lessThe compound below is treated with chlorine in the presence of light