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Chiral single spiral coordination polymer and preparation method thereof

A coordination polymer and single helix technology, applied in the direction of zinc organic compounds, etc., can solve the problem that racemate cannot be included

Inactive Publication Date: 2015-07-22
GUANGDONG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The first is by far the most commonly used method, but it has certain limitations since the synthesis conditions cannot include racemates and must use homochiral compositions

Method used

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  • Chiral single spiral coordination polymer and preparation method thereof
  • Chiral single spiral coordination polymer and preparation method thereof
  • Chiral single spiral coordination polymer and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Dissolve 0.1mmol of bipyrazole, 0.1mmol of potassium thiocyanate and 0.1mmol of zinc sulfate in 10mL of distilled water, stir at room temperature for 20min, then transfer to a polytetrafluoroethylene autoclave, and place it in an oven at 120°C React for 48 hours, then filter at 5°C / hour down to room temperature to obtain chiral single-helical coordination polymer C 12 h 14 N 6 S 2 Zn, yield 60.7% (based on Zn).

[0023] Then the chiral single helical coordination polymer was characterized structurally

[0024] The crystal X-ray diffraction data were determined by Burkcer Smart CCD single crystal diffractometer. MoKa radiation (λ=0.71073 ?), graphite monochromator, data collected in ω-scan mode, with Lp factor correction and empirical absorption correction. First use the direct method to determine the position of metal atoms and some other non-hydrogen atoms, then use the difference function method and the least square method to find the coordinates of all other non...

Embodiment 2

[0029] Dissolve 0.12mmol of bipyrazole, 0.1mmol of potassium thiocyanate and 0.09mmol of zinc sulfate in 10mL of distilled water, stir at room temperature for 20min, then transfer to a polytetrafluoroethylene autoclave, and place it in an oven at 140°C React for 24 hours, then filter at 4°C / hour down to room temperature to obtain chiral single-helical coordination polymer C 12 h 14 N 6 S 2 Zn, yield 57.2% (based on Zn).

Embodiment 3

[0031] Dissolve 0.1mmol of bipyrazole, 0.11mmol of potassium thiocyanate and 0.08mmol of zinc sulfate in 10mL of distilled water, stir at room temperature for 20min, then transfer to a polytetrafluoroethylene autoclave, and place it in an oven at 110°C React for 50 hours, then filter at 3°C / hour down to room temperature to obtain chiral single-helical coordination polymer C 12 h 14 N 6 S 2 Zn, yield 50.9% (based on Zn).

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Abstract

The invention relates to the field of coordination polymers, and in particular relates to a chiral single spiral coordination polymer and a preparation method thereof. The chemical formula of the coordination polymer is C12H14N6S2Zn. The coordination polymer is of a orthorhombic crystal system with C2221 space groups, wherein cell parameters are as follows: a is equal to 6.4738(15) angstrom, b is equal to 15.871(4) angstrom, c is equal to 16.808(4) angstrom, Alpha, Beta and Gamma are respectively equal to 90 degrees, and V is equal to 1727.0(7) angstrom<3>. The coordination polymer is a chiral compound which can serve as a potential chiral catalysis and chiral separation material.

Description

technical field [0001] The invention relates to the field of coordination polymers, in particular to a chiral single-helix coordination polymer and a preparation method thereof. Background technique [0002] Chirality is a fundamental feature of biological environments, biomolecules and their aggregated states. Molecular chirality is a special property caused by a pair of molecules that have a symmetrical structure but do not overlap each other, and it plays a very important role in the host-guest interaction. In recent years, the design and synthesis of chiral metal-organic complexes have received great attention, not only because of the extremely unique structures and topological networks of chiral metal-organic complexes, but also because of their ability in enantioselective separation and multi- It has potential applications in many aspects such as phase catalysis. [0003] The biggest challenge in the synthesis of chiral metal-organic complexes is to obtain homochiral...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F3/06
Inventor 何军曹鹏段晶晶何永和
Owner GUANGDONG UNIV OF TECH
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