aromatic solvents, 48 h, in the dark;

in tetrahydrofuran under N2 or Ar; THF added to solid mixt. of Fe complex and NaB(C6H3(CF3)2)4; THF soln. of In compd. added; volatiles removed; extd. into toluene; soln. filtered; layered with hexane; crystd. for 1 wk; elem. anal.;