Chiroptical inversion induced by sandwiching units in chiral polythiourethane†
Atsushi Nagai,Bungo Ochiai,Takeshi Endo
Chemical Communications Pub Date : 03/06/2006 00:00:00 , DOI:10.1039/B600417B
Abstract
Chiroptical behavior of a hydrogen-bond-regulated chiral polythiourethane segment was inversed by sandwiching sterically demanding segments in copolymers prepared by cationic ring-opening copolymerization of chiral cyclic thiourethanes derived from L-serine.
