Non-hydrogen-bonding-based, solvent-dependent helix inversion between pure P-helix and pure M-helix in poly(quinoxaline-2,3-diyl)s bearing chiral side chains†
Tetsuya Yamada,Yuuya Nagata
Chemical Communications Pub Date : 06/01/2010 00:00:00 , DOI:10.1039/C001564D
Abstract
Poly(quinoxaline-2,3-diyl)s bearing chiral (R)-2-butoxy side chains adopt pure right- or left-handed screw senses in CHCl3 and 1,1,2-trichloroethane, respectively.
