Media type: E-Article Title: Frontispiece: Triarylborane‐Based Helical Donor–Acceptor Compounds: Synthesis, Photophysical, and Electronic Properties Contributor: Jia, Xiangqing; Nitsch, Jörn; Ji, Lei; Wu, Zhu; Friedrich, Alexandra; Kerner, Florian; Moos, Michael; Lambert, Christoph; Marder, Todd B. imprint: Wiley, 2019 Published in: Chemistry – A European Journal Language: English DOI: 10.1002/chem.201984663 ISSN: 0947-6539; 1521-3765 Keywords: General Chemistry ; Catalysis ; Organic Chemistry Origination: Footnote: