Bonding of Phosphinidene or Arsenidene Fragments to a Fluorenylidene. Interrelationships between Phosphaalkenes or Arsaalkenes and Donor-Acceptor Complexes.


The fluorenylidene-substituted phosphaalkene MesP=Fl (13) and arsaalkene MesAs=Fl (14) (Mes = 2,4,6-t-Bu(3)C(6)H(2), Fl = 2,7-di-tert-butylfluorenylidene) have been prepared by treatment of Fl(H)Li with MesECl(2) (E = P, As) followed by dehydrochlorination with DABCO (1,4-diazabicyclo[2.2.2]octane). In the synthesis of 13 it was possible to isolate the… (More)


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