| abstract |
NEW MATERIAL:A compound expressed by formula I[R-BINAP represents tertiary phosphine expressed by formula II(R represents H, CH 3 or t-butyl); S is tertiary amine; x is 2, z is 4 and p is 1 when y is 0; x is 1, z is 1 and p is 0 when y is 1]. n EXAMPLE: A compound expressed by the formula Ru 2 Cl 4 ((-)BINAP) 2 (C 2 H 5 ) 3 N. n USE: An industrially and advantageously available industrial catalyst for asymmetric hydrogenation reaction, etc. n PREPARATION: For example, 1mol compound expressed by the formula [ρ@@@@@@@@@αρΒ@Φ@@@@@@RuCl 2 (COD) n (COD represents cyclooctadiene) is reacted with, for example, RuCl 2 (COD) n (COD represents cyclooctadiene) is reacted with, for example, 1.2mol compound expressed by the formula R-BINAP [example; (+)-2,2'-bis (di-p-tolylphosphino)-1,1'-binaphthyl, etc.] in a solvent such as toluene in the presence of 4mol tertiary amine (example; triethylamine, etc.) under heating. n COPYRIGHT: (C)1986,JPO&Japio |