Specificity in template syntheses of hexaaza-macrobicyclic cages: [Pt(Me 5 -tricosatrieneN 6 )] 4+ and [Pt(Me 5 -tricosaneN 6 )] 4+
The racemic C3 hexadentate cage complex, [Pt(Me5-tricosatrieneN6)]Cl4 (1,5,9,13,20-pentamethyl-3,7,11,15,18,22-hexaazabicyclo[7.7.7.]tricosa-3,14,18-t riene)platinum(IV) tetrachloride), was synthesised stereospecifically and regiospecifically from a reaction of the bis-triamine template [Pt(tame)2]Cl4 (bis[1,1,1-tris(aminomethyl)ethane]-platinum(IV) tetrachloride) with formaldehyde and then propanal, in acetonitrile under basic conditions. Largely, one racemic diastereoisomer was obtained in a...[Show more]
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