Page 348 - Mechanism and Theory in Organic Chemistry
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Problems 335
aprotic media ketenes can sometimes be isolated. (c) The rate of rearrangement of 12
is almost identical whether Z is -OCH3 or -NO2. (d) The rate of rearrangement of 13
is much faster if Z is -OCH3 than if it is -NO2.
15. Write a mechanism for the reaction below.
16. Propose a mechanism for the reaction in Equation 10, an example of the
aldehyde-ketone rearrangement.
17. Propose a mechanism for the reaction in Equation 11, an example of the
Lossen rearrangernent.
18. Propose a mechanism for the reaction in Equation 12, an example of the
Curtius rearrangement.
19. Propose a mechanism for the following reaction.
