α,α'-Diamino-α,α'-dicarboxyadipic acid tetraester:synthesis, lactamisation and dilactam structure

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Remir G. Kostyanovsky , Yury I. El'natanov , Oleg N. Krutius , Ivan I. Chervin and Konstantin A. Lyssenko


Abstract

α,α'-Diamino-α,α'-dicarboxyadipic acid tetraester has been synthesised for the first time; it spontaneously cyclises into a monolactam and, under the action of bases, into a dilactam; the latter forms in the crystal a heterochiral hydrogen-bonded polymer of the linear zig-zag type.


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