The binding of difunctional neutral guest molecules by novel bis(tripyrrolyl) cryptandsElectronic supplementary information (ESI) available: experimental procedures, spectroscopic data and titration protocol. See http://www.rsc.org/suppdata/cc/b1/b104077b/

Abstract

Bis(tripyrrolyl) cryptands are prepared via a [2 + 3] Schiff base condensation of formyltripyrrolyls with diamines; an ethyl-spaced hexapyrrole cryptand is shown to bind strongly ethane-1,2-diamine and ethane-1,2-diol in chloroform solution.