A pair of enantiomeric tetrahedral complexes (Λ-[Zn(L)] and Δ-[Zn(L)]) comprised of the achiral ligand methyl-3-hydroxy-3-phenyl-2-propenedithioate (L) have been synthesized by spontaneous resolution. Two chiral inducers, viz., d-(-)- and l-(+)-tartaric and mandelic acids, have been employed to achieve bulk homochirality and extend the generality of the present work. The work highlights the achievement of bulk homochirality using readily available chiral inducers in the synthesis of a spontaneously resolving chiral tetrahedral zinc(II) complex using achiral starting materials. These findings are established by 30 sets of single-crystal X-ray diffraction data with refined Flack parameters and circular dichroism spectroscopy.
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http://dx.doi.org/10.1021/acs.inorgchem.9b01934 | DOI Listing |
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School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, People's Republic of China.
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Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, 300052, China; Tianjin Research Institute of Anesthesiology, Tianjin, 300052, China. Electronic address:
Chronic itch which is primarily associated with dermatologic, systemic, or metabolic disorders is often refractory to most current antipruritic medications, thus highlighting the need for improved therapies. Oxidative damage is a novel determinant of spinal pruriceptive sensitization and synaptic plasticity. The resolution of oxidative insult by molecular hydrogen has been manifested.
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