Draw structures of the following compounds and identify their role: mCPBA (MCPBA) DMS Py 9-BBN LAH Sia₂BH TsCI PCC t-BuOK LDA MeLi n-BuLi DMSO DMF Sodium Borohydride Lithium DiisopropylAmide 2

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Q: PROBLEM 16) Can you explain this problem and solve it correctly, please!

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Q: PROBLEM 27) Can you explain this problem and solve it correctly, please!

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