Question: 4. Attempt ALL parts (a) to (c). (a) Write the structure of each intermediate A-D based on the following sequence of reactions. OH OH A

4. Attempt ALL parts (a) to (c). (a) Write the structure

4. Attempt ALL parts (a) to (c). (a) Write the structure of each intermediate A-D based on the following sequence of reactions. OH OH A H 1.03 2. Zn, H,0 1. NaBH; 2. H30+ H D B b (b) (5 marks) Write detailed mechanisms that account for the following reactions. (i) Sono H2SO4 OH

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