542 543 in the textbook for explanation of why this

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Unformatted text preview: groups where they can stabilise the negative charges, and put the electron- donating groups on the alkenes, where they don’t destabilise the neagtive charges. OMe O OMe O O MeO OMe O O O MeO MeO PROBLEM 4 How would you carry out these reactions? In some cases more than one step may be required. OH OH ? CO2Et O ? CO2Et O ? CO2Et Purpose of the problem Reduction, selectivity, and protection in the same sequence. OH ■ See p. 542- 543 in the textbook for explanation of why this approach works. 4 Solutions Manual to accompany Organic Chemistry 2e ■ The fin...
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