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Cytostatic dl- and meso-1,2-diphenylethylenediamines

Schönenberger, Helmut ; Steinhoff, Dieter


The dl and meso isomers of the title compds. (I) with cytostatic activity against mammary cancer in rats were prepd. by several methods. Thus, redn. of 3,4-Cl(MeO)C6H3CH:NBu (II) with HgCl2 and Al foil in EtOH on a water bath (method A) gave 31% dl- and 22.2% meso-I.HCl (R = Bu, R1 = 3-Cl, R2 = 4-MeO, R3 = H). dl-I (R = Bu, R1 = 3-Cl, R2 = 4-MeO, R3 = H) was resolved into the (+)- and (-)-isomers ...


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