Citation: de Cian, Andr\'e; Djukic, Jean-Pierre; Fischer, Jean; Pfeffer, Michel; D\"otz, Karl Heinz (2002). Expression of the prohelicity of bis-cyclomanganated 2,3-diphenylquinoxaline through reactions with diaryldiazomethanesElectronic supplementary information (ESI) available: preparation procedure and spectroscopic data for 1b--d, crystal data for polymer 1e. See http://www.rsc.org/suppdata/cc/b1/b111570g. Chemical Communications, , pp. 638-.