Synthesis and structure of tetrathiophene with a chiral 1,1′-binaphthyl kinkElectronic supplementary information (ESI) available: synthesis and characterization data for 1, 2, 4, and 5; crystal packing plots for rac-1. See http://www.rsc.org/suppdata/cc/b0/b007355p/
Abstract
A chiral oligothiophene, possessing in-chain chirality, was prepared and its racemate was characterized by single crystal X-ray crystallography; the in-chain chiral 1,1′-binaphthyl moiety interrupts the π-conjugation and affects the solid state properties of the oligothiophene.