Be sure to use curved arrows to show the flow of

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Unformatted text preview: ps are outlined...and important to know. O Cr OH HO OH H HO H2O H KEY STEP! O O Cr OH HO OH H O H2O O Cr OH HO OH H3O OH H3O OH O O HO Cr OH O H2O H3O 6 Sessler CH310N Homework Problem Set 2 Due Friday February 3rd, 2012 5. Ethylene oxide is the starting material for the synthesis of 1,4-dioxane. Propose a mechanism for each step in this synthesis. Be sure to use curved arrows to show the flow of electrons. 7 Sessler CH310N Homework Problem Set 2 Due Friday February 3rd, 2012 6. Develop a mechanism for the following cyclization. Be sure to use curved arrows to indicate the flow of electrons. (Hint: Consider rearrangement reactions taking place to form the most stable carbocation.) 8 Sessler CH310N Homework Problem Set 2 Due F...
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