H. Fischer et al., INDUCTION OF LIQUID-CRYSTALLINE PHASES IN N-ALKYLATED POLY(ETHYLENEIMINE)S BY TRANSITION-METAL COMPLEXATION, Journal of the Chemical Society, Chemical Communications, (16), 1995, pp. 1615-1616
A liquid crystalline mesophase is induced by complexation of copper(II
)nitrate with an N-alkylated poly(ethyleneimine) obtained by reduction
of the corresponding polyamide, in analogy to low molecular mass azac
rown derivatives.