(Dicyclohexylphosphino)borane is a precursor in the synthesis of water-soluble phosphines. The boranato group can be quantitatively removed under mild conditions. ... Abstract (Dicyclohexylphosphino)borane is a precursor in the synthesis of water-soluble phosphines. The boranato group can be removed quantitatively under mild con- ditions. ... (~ ci5 ~cI6 ~ (~c3 ( . , 2/ CI Fig. 1. A labeled diagram of (dicyclohexylphosphino)borane showing 50% ...