Ligand-Controlled Stereoselective Synthesis of Heterotactic Polylactide with Titanium(IV) Complexes
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下载链接：
https://figshare.com/articles/dataset/Ligand-Controlled_Stereoselective_Synthesis_of_Heterotactic_Polylactide_with_Titanium_IV_Complexes/18517819
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资源简介：
Stereoselective
synthesis of polylactic acid (PLA) was achieved
using titanium(IV) complexes. The NO3 ligands prepared
from 2,2′-dihydroxybenzophenone and salicylaldehyde derivatives
were used to control the stereoselectivity of Ti(IV)-catalyzed polymerization
of rac-lactide, in which a substituted ligand provided
heterotactic PLA with high stereoselectivity. Density functional theory
calculations revealed that the ligand structure is crucial for differentiating
reaction pathways, and that the octahedral transition states are stabilized
by the preorganized intermediates.
创建时间：
2022-01-17
