Page 204 - Arrow Pushing in Inorganic Chemistry A Logical Approach to the Chemistry of the Main Group Elements
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THE HEAVIER PNICTOGENS
                184
                 3
                   -triaminophosphorane (to use the official jargon), which may be accessed as follows:




                                                                  N
                                   +               THF
                               PCl 3  HN                             P           (5B.61)
                                               − 60 °C  RT,     N
                                                    12 h
                                                                    N



                The product is then reacted with t-butyl azide to yield the desired P1 base, as shown below:





                                       N                   N      −
                                                              +
                                             t-BuN 3              N
                                          P                   P
                                     N        − N 2      N           t-Bu        (5B.62)
                                         N                   N







                  REVIEW PROBLEM 5B.18

                  Suggest a synthetic route for the following P4 base:





                                                  −     N    N
                                            N      Nt-Bu
                                        N     +   +    −  P   N
                                            P      P       +
                                                       N
                                               N
                                          N    −      N  −
                                                    +
                                                     P
                                                 N        N
                                                     N
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