Author/Authors :
Ogata، نويسنده , , Tokutaro and Ujihara، نويسنده , , Atsushi and Tsuchida، نويسنده , , Susumu and Shimizu، نويسنده , , Tomoko and Kaneshige، نويسنده , , Atsunori and Tomioka، نويسنده , , Kiyoshi، نويسنده ,
Abstract :
Asymmetric intramolecular cyclization of aminoalkenes was catalyzed by a catalytic amount of n-butyllithium, diisopropylamine, and a newly designed chiral bisoxazoline in toluene to produce kinetically controlled exo-cyclized amines with up to 91% ee quantitatively.