The present invention relates to an enantioselective hydrogenation catalyst having {TAIL ~ a solubility} in water and more particularly to a complex of a transition metal such as ruthenium, rhodium, iridium, palladium, etc., and {HEAD ~ a water soluble phosphine compound} 
The present invention relates to an enantioselective hydrogenation catalyst having { TAIL ~ a solubility } in water and more particularly to a complex of a transition metal such as ruthenium , rhodium , iridium , palladium , etc . , and { HEAD ~ a water soluble phosphine compound }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD