Page 1082 - Advanced Organic Chemistry Part B - Reactions & Synthesis
P. 1082

1058                                        CH 3 O
                             (e)
                                                        Br
      CHAPTER 11
                                       CN                        O   OCH 3
      Aromatic Substitution                LDA    CH O
      Reactions                                     3
                                       O
                                          –78°C  –40      25°C
                                       O
                                                                O   OCH 3
                                                                           O   O
                             (f)           CO CH 3
                                              2
                                CH O            OCH 3  CH OCH COCl  CH O         OCH 3
                                                                    3
                                                            2
                                                        3
                                  3
                               CH 3                      SnCl 4  CH 3
                               CH 3                             CH 3
                                       O   CH 3                         O    CH 3
                                  CH 3                              CH 3
                        11.4. Predict the product(s) of the following reactions. If more than one product is
                             expected, indicate which will be major and which will be minor.

                                      O                           (b)   NO 2
                             (a)                   (CH 3 ) 3 CONO             1) H 2 SO 4 , NaNO 2 ,
                                                                                  0°C
                                      C       NH 2
                                                    DMF, 65°C             NH 2
                                                                               2) Cu(NO 3 ) 2 ,
                                                                                CuO, H 2 O
                                                                        CH 3
                             (c)                      (CH 3 ) 3 CONO  (d)         H 2 SO 4 , H 2 O
                               Cl       NH 2   +  PhCH  CH 2                  SO 3 H
                                                         CuCl       CH 3
                                                                                    HgSO 4
                                                                            I
                             (e)                  HNO 3 , AcOH    (f)
                                CH 3 O   CH 2 CH 2 OH                       Cl    (CH 3 ) 3 CONO,
                                                                                    CuCl
                                                     0°C
                                CH 3 O                               Cl       NH 2
                                                                                    CH 3 CN
                                                                            Cl
                             (g)    Cl                            (h)      O
                                             O
                                                   AlCl 3                CH 3 CCH 2   CH 3 SO 3 H
                                         +  CH 3 CCl
                                                  CHCl 3
                                               O
                            (i)
                                             NHCCH 3
                                                                   (j)  Br
                                                       I 2 , AgBF 4
                                                                            Br 2 , HgO
                              (CH 3 ) 3 Si  CH 2 CHCO 2 CH 3
                                                                              H +
                             (k)
                                                   +  18-crown-6
                                     CN  +  F    N 2
                                                      KOAc

                        11.5. Suggest efficient syntheses of o-, m-, and p-fluoropropiophenone from benzene
                             and other necessary reagents.
                        11.6. Treatment of compound 6-1 in dibromethane with one equivalent of aluminum
                             bromide yields 6-2 as the only product in 78% yield. When three equivalents of
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