A BINAP represents {HEAD ~ a tertiary phosphine} represented by {TAIL ~ formula} ##STR6## in which A represents an alkali metal atom; X represents a chlorine atom, a bromine atom, or an iodine atom 
represented by
A BINAP represents { HEAD ~ a tertiary phosphine } represented by { TAIL ~ formula } # # STR6 # # in which A represents an alkali metal atom ; X represents a chlorine atom , a bromine atom , or an iodine atom
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH