Questions for this part of the exam. READ CAREFULLY below about how to submit your answers: 1) Write your answer for each question on plain sheet(s) of paper. 2) Write the Question number, Indicate your answers clearly, and Draw a horizontal line to separate each question. 3) Show your answers to the webcam when you have completed all questions. 4) Submit Part I Exam and then Close Honorlock. 5) Scan your work and Generate a SINGLE PDF file and Upload your PDF file on the Part II submission link in this Module on Canvas. Make sure that your images are oriented correctly, not upside down or turn sideways. Each image must be clear and legible or your exam will not be graded.
Part II: Question 1 (25 points) This question contains 2 Parts. Provide your answers to the following questions. Indicate your answers clearly. 1.1) From the concept of reversed SN2 Disconnection, draw the best set of positive AND negative synthons. ALSO, provide the reasoning to support your answers. (15 points) Problem viewing the image. Click Here
1.1) From the concept of reversed SN2 Disconnection, draw the best set of positive AND negative synthons. ALSO, provide the reasoning to support your answers. (15 points) Problem viewing the image. Click Here 1.2) Draw the structure of appropriate "synthetic equivalents" for the negative and positive synthons. Indicate your answers clearly. (10 points) Part II: Question 2 (25 points) This question contains 3 parts. Indicate your answer clearly for each Part.
Part II: Question 2 (25 points) This question contains 3 parts. Indicate your answer clearly for each Part. 2.1) Draw the structure of "major organic final product" of the following Addition of H₂O to alkyne reaction. The chemical structure must have the correct number of carbon atoms and functional group(s) to earn points. (5 points) H3C C CH 1. (Sia)2BH.THF 2. OH, H₂O₂ Problem viewing the image. Click Here 2.2) Draw the structure of the "enol intermediate". (5 points) کرتے
2.3) Draw the step-by-step curved arrow pushing mechanism of Tautomerization from "the enol intermediate to the major organic final product" under Base-Catalyzed condition. Your answer must include all related resonance contributors, and all lone pair electrons must be included. in your drawing. (15 points) Part II: Question 3 (25 points) Provide a multi-step synthesis of the target structure on the right from the starting structure on the left. Indicate the reagents/conditions and the major organic products at each step, do not show any curved-arrow pushing mechanisms. Reactant Problem viewing the image. Click Here Product OH
Part II: There are THREE Part II: There are THREE Questions for this part of the exam. READ CAREFULLY below about how to submit your answers: 1)
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