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Cover Picture: Double‐Stranded Helical Oligomers Covalently Bridged by Rotary Cyclic Boronate Esters (Chem. Asian J. 8/2017)
Author(s) -
Iida Hiroki,
Ohmura Kenji,
Noda Ryuta,
Iwahana Soichiro,
Katagiri Hiroshi,
Ousaka Naoki,
Hayashi Taku,
Hijikata Yuh,
Irle Stephan,
Yashima Eiji
Publication year - 2017
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201700350
Subject(s) - cover (algebra) , covalent bond , chemistry , polymer chemistry , stereochemistry , crystallography , organic chemistry , engineering , mechanical engineering
Setting the helices in motion : The design and construction of artificial molecular rotors that perform a sophisticated rotary motion have attracted considerable interest in the context of molecular machines. In this study, novel double‐stranded helices covalently bridged by two cyclic boronate esters were prepared via simple mixing of two complementary dimer strands bearing diethyl boronates and diols. A rotational motion of the encased cyclic boronate ester units can take place simultaneously with helix‐inversion of the double‐stranded helical framework, thus providing a unique molecular rotor that undergoes dual rotary and inverting (twisting) motions. More information can be found in the Full Paper by Hiroki Iida, Eiji Yashima, Stephan Irle et al. on page 927 in Issue 8, 2017 (DOI: 10.1002/asia.201700162).