125. Which of the following is an example of the synthesis of the malonic ester?
Which the answer of the problem 125, answer the following parts:
125.1 Write the chemical equation that illustrates the
Michael-type conjugate addition, followed by Robinson's
annexation.
125.2. Write the chemical equation that illustrates the
intramolecular Claisen condensation to generate a new 5-member
cycle and that the final product contains two cycles.
125.3 Establish the sequence of steps by which you can prepare the
spirit or essence of cinnamon (the cinnamic aldehyde) by means of
aldolic condensations. Then react the same: a) with ethylamine; b)
with phenylthio followed by ammonium chloride and water.
125. Which of the following is an example of the synthesis of the malonic ester? Which...