Question

(1) Derive a method for the preparation of the following product Ethyl Acetoacetate (2) Propose a synthesis for the following compound using Wittig reaction. Also indicate how the Wittig reagent may be prepared. Indicate if there is a possibility of geometric isomerism for the product and when there is, whether you expect to obtain E/Z isomer or both (3) Propose a two reaction sequence to convert each of the following substrates into the indicated products. Identify the substrate, reagent(s) and catalyst if any used for each reaction (Hint : Each problem will include Aldol or Claisen, Diels Alder, Friedel- Craft's, Grignard or Wittig reaction)

          (1) Derive a method for the preparation of the following
product
Ethyl Acetoacetate
(2) Propose a synthesis for the following compound using Wittig
reaction. Also indicate how the Wittig reagent may be prepared.
Indicate if there is a possibility of geometric isomerism for the
product and when there is, whether you expect to obtain E/Z
isomer or both
(3) Propose a two reaction sequence to convert each of the
following substrates into the indicated products. Identify the
substrate, reagent(s) and catalyst if any used for each reaction
(Hint : Each problem will include Aldol or Claisen, Diels Alder,
Friedel- Craft's, Grignard or Wittig reaction)

(1) Derive a method for the preparation of the following
product
Ethyl Acetoacetate
(2) Propose a synthesis for the following compound using Wittig
reaction. Also indicate how the Wittig reagent may be prepared.
Indicate if there is a possibility of geometric isomerism for the
product and when there is, whether you expect to obtain E/Z
isomer or both
(3) Propose a two reaction sequence to convert each of the
following substrates into the indicated products. Identify the
substrate, reagent(s) and catalyst if any used for each reaction
(Hint : Each problem will include Aldol or Claisen, Diels Alder,
Friedel- Craft's, Grignard or Wittig reaction)

Added by Karen P.

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