2, 8′??Disubstituted??1, 1′??Binaphthyls: A New Pattern in Chiral Ligands

…, I Císařová, M Polášek, SR Harutyunyan…

Index: Vyskocil, Stepan; Meca, Ludek; Tislerova, Iva; Cisarova, Ivana; Polasek, Miroslav; Harutyunyan, Syuzanna R.; Belokon, Yuri N.; Stead, Russel M. J.; Farrugia, Louis; Lockhart, Stephen C.; Mitchell, William L.; Kocovsky, Pavel Chemistry--A European Journal, 2002 , vol. 8, # 20 p. 4633 - 4648

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Citation Number: 49

Abstract

Abstract The title binaphthyls 19 and 26, which are the positional isomers of 2-methoxy-2′- (diphenylphosphino)-1, 1′-binaphthyl (MOP, 19) and 2-amino-2′-hydroxy-1, 1′- binaphthyl (NOBIN, 26), have been synthesized by Suzuki coupling as the key step (10+ 15→ 18), followed by functional group transformations, involving C [BOND] P and C [BOND] N bond formation (18→ 19 and 18→ 23). Racemic intermediate 22 was resolved by co- ...