Novel enantiopure bis(pyrrolo)tetrathiafulvalene donors exhibiting chiral crystal packing arrangementsElectronic supplementary information (ESI) available: Experimental details for preparations. CCDC reference numbers 705462–705465. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/b822009n

Two novel enantiopure bis(pyrrolo[3,4-d])tetrathiafulvalene derivatives, substrates for preparing chiral conducting materials, show chiral crystal packing arrangements in which successive layers are rotated in accordance with an exact or approximate 43axis. The corresponding donors containing fused dihydropyrrole groups, and thus four more hydrogen atoms, form stacks along a crystal axis. [ABSTRACT FROM AUTHOR]