(R,R)-and (S,S)-N,N'-dimethyl-1,2-diphenylethylene-1,2-diamine

(R,R)- and (S,S)-N,N′-dimethyl-1,2-diphenylethylene-1,2-diamine intermediate: N-Methylbenzimine intermediate: meso- and dl-N,N′-Dimethyl-1,2-diphenylethylenediamine intermediate: dl-N,N′-Dimethyl-1,2-diphenylethylene-diamine product: (R,R)-(+)-N,N′-Dimethyl-1,2-diphenylethylenediamine product: (S,S)-(−)-N,N′-Dimethyl-1,2-diphenylethylenediamine byproduct: 2-5% of N-methylbenzylamine Keywords: addition, to CO; coupling; deprotection, nitrogen; enamine or imine formation; rearrangements; resolution

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