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