Synthesis of novel chiral ruthenium complexes of 2,2′-bis(diphenylphosphino)-1,1′-binaphthyl and their use as asymmetric catalysts
作者:Takao Ikariya、Youichi Ishii、Hiroyuki Kawano、Tsuneta Arai、Masahiko Saburi、Sadao Yoshikawa、Susumu Akutagawa
DOI:10.1039/c39850000922
日期:——
Reactions of [RuCl2(COD)]n(COD = cyclo-octa-1,5-diene) with the chiral bidentate phosphine ligands 2,2′-bis(diphenylphosphino)-1,1′-binaphthyl, BINAP, and 2,2′-bis(di-p-tolylphosphino)-1,1′-binaphthyl, p-tolyl-BINAP, give new chiral ruthenium(II) complexes, Ru2Cl4(BINAP)2(NEt3)and Ru2Cl4(p-toly-BINAP)2(NEt3) respectively, which serve as excellent catalysts for asymmetric hydrogenation of alkenes and
[RuCl 2(COD)] n(COD =环辛-1,5-二烯)与手性二齿膦配体2,2'-双(二苯基膦基)-1,1'-联萘,BINAP和2的反应,2'-双(二-对甲苯基膦基)-1,1'-联萘基,对-甲苯基-BINAP,得到新的手性钌(II)配合物,Ru 2 Cl 4(BINAP)2(NEt 3)和Ru 2 Cl 4(p -toly-BINAP)2(NEt 3)分别用作烯烃和某些环状酸酐的不对称加氢的优异催化剂。