Crystal engineering for π-π stacking via interaction between electron-rich and electron-deficient heteroaromatics

Article abstract of DOI:10.1021/jo800546j

(Figure Presented) New dipolar compounds containing alternating electron-rich thieno[3,2-b]thiophene units and electron deficient units have been synthesized. Compounds with 5-pyrimidinyl (compound 2) or benzothiazole (compound 5) as the electron-deficien