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Question 7 [1.5 pts] Which one of the following statements about Reaction #6 is correct? Reaction #6 NaNg CH2Cl2 The major organic product arises from front face attack by the N3 anion at atom D The major organic product arises from front face attack by the N3 anion at atom E The major organic product arises from back face attack by the N3 anion at atom D The major organic product arises from back face attack by the N3 anion at atom E Question 8 (1.5 pts) What is the configuration of carbon F in the major organic product obtained at the conclusion of the reaction sequence noted in Figure #1? Hint / Each one of the three reactions in Figure #1 is an SN2 reaction. Figure #1 NaBr Nal CH, Br NaCN acetone, heat acetone, heat CgHug! (optically active) acetone, heat C7H13N (optically active) (optically active) OR OS None of the above

Answer 1

Question 7 (1.5 pts) Which one of the following statements about Reaction #6 is correct? Reaction #6 epoxide opens from less bulky side because SN2 ring opening. N2 attacks back face at position D. NaN, CH2C12 The major organic product arises from front face attack by the N, anion at atom D The major organic product arises from front face attack by the Na anion at atom E. The major organic product arises from back face attack by the Nz anion at atom D... The major organic product arises from back face attack by the N, anion at atom E Question 8 (1.5 pts) What is the configuration of carbon F in the major organic product obtained at the conclusion of the reaction sequence noted in Figure #12 Hint / Each one of the three reactions in Figure #1 is an S2 reaction. Figure #1 NaBr Nal COMBI (optically active) acetone, heat NaCN acetone, heat CH! (optically active) acetone, heat CHIN (optically active) Br HCN 0.B OS 0 None of the above (R)-2-ethylpentanenitrile HD (S)-3-chlorohexane