“…[19][20][21][22][23][24][25] Most of these functionalized dicarba-closo-dodecaboranes contain dialkyl-or diarylphosphanyl substituents or related groups, e.g. 1,2-(iPr 2 P) 2 -closo-1,2-C 2 B 10 H 10 [26,27] or 1,2-(iPr 2 (O)P) 2 -closo-1,2-C 2 B 10 H 10 , [28] and clusters with other substituents, for example with dichlorophosphanyl, [29,30] difluorophosphanyl, [31][32][33] and -P(O)(OH)H groups, [30] have been described, as well.…”