Telechelic Helical Poly(quinoxaline-2,3-diyl)s Containing a Structurally Defined, Circularly Polarized Luminescent Terquinoxaline Core: Synthesis by Core-Initiated Bidirectional Living Polymerization
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https://figshare.com/articles/dataset/Telechelic_Helical_Poly_quinoxaline-2_3-diyl_s_Containing_a_Structurally_Defined_Circularly_Polarized_Luminescent_Terquinoxaline_Core_Synthesis_by_Core-Initiated_Bidirectional_Living_Polymerization/7960640
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资源简介：
We have designed and synthesized
divalent initiators that contain
a fluorescent terquinoxaline unit with two palladium groups for the
living polymerization of 1,2-diisocyanobenzenes. Using these divalent
initiators, the bidirectional living polymerization of a monomer bearing
(S)-butoxymethyl side chains afforded telechelic
helical poly(quinoxaline-2,3-diyl)s (PQXs), which consist of a terquinoxaline
unit at the center of the polymer chain and chiral oligomeric blocks
on both sides. The location of the core unit was confirmed by NMR
spectroscopy and photoluminescence measurements. Upon changing the
solvent from CHCl3 to 1,1,2-trichloroethane, these PQXs
exhibit both left- and right-handed circularly polarized luminescence
with dissymmetry factors of approximately 1.0 × 10–3.
创建时间：
2019-04-05
