The following questions are based on a series of reactions taken from current research. These reactions...
The following questions are based on a series of reactions taken from current research. These reactions were identified using SciFinder Scholar, which is a very useful search engine in organic chemistry. Eaclh reaction lists the reactants (R), the solvents (S), catalysts (C), details of the reaction temperature and conditions. Stages occur in the same reaction container. The individual stages are denoted as . 1.2, etc Answer the following questions in the space provided For the following reaction 1.1 1.2 R: LiN(Pr-i)2, 5h,-78°C 75 min, -90°C OMe Me Me Me Me Me Me Et о он CH Me Me Me MeO (Step 1.2) Angewandte Chemie, International Edition, 45(35), 5880-5885; 2006 a. Name the reagent in step 1.1 and identify its role. b. What is the name of the reaction type that occurs in step 1.2. c. What additional step (1.3) must have occurred that wasn't specifically shown by the authors. d. What did the authors do to prevent the formation of an α.B-unsaturated ketone?