Aspects of the photodimerization mechanism of 2,4-dichlorocinnamic acid studied by kinetic photocrystallography

Davaasambuu J; Busse G; Techert S

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Aspects of the photodimerization mechanism of 2,4-dichlorocinnamic acid studied by kinetic photocrystallography

机译：动力学光晶体学研究2,4-二氯肉桂酸的光二聚作用机理

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Photoinduced structural variations in single crystals of 2,4-dichloro-trans-cinnamic acid (C9H6Cl2O2, DiClCA) have been investigated using X-ray diffraction (photocrystallography) and optical spectroscopic methods. During UV irradiation, which initiates the irreversible dimerization reaction, a loss of the long-range order of the reactant single crystal was found, i.e., that the dimerization is a heterogeneous one. This unexpected result emphasizes the still-existing problem of predicting changes or of remaining periodicity during chemical reactions in the solid state. On the basis of the experimental results, we propose a qualitative kinetic reaction scheme for DiCICA heterogeneous dimerization reaction.

机译：使用X射线衍射（光晶体学）和光谱学方法研究了2,4-二氯-反肉桂酸（C9H6Cl2O2，DiClCA）单晶中的光诱导结构变化。在引发不可逆的二聚反应的UV辐射过程中，发现反应物单晶的长程有损失，即二聚是异质的。这一出乎意料的结果强调了仍然存在的预测固态化学反应过程中的变化或剩余周期性的问题。在实验结果的基础上，我们提出了DiCICA异质二聚反应的定性动力学反应方案。

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《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |2006年第9期|共5页
作者
Davaasambuu J; Busse G; Techert S;
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X-RAY-DIFFRACTION; EXPLORATORY ORGANIC-PHOTOCHEMISTRY; TRANS-CINNAMIC ACID; SOLID-STATE; WATER-PARTICIPATION; CRYSTAL; PHOTOREACTION; DERIVATIVES; CHEMISTRY; LIGHT;

机译：X射线衍射;有机发光化学;反肉桂酸;固态;水分参与;晶体;光化学作用;衍生物;化学;光;

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1. Aspects of the photodimerization mechanism of 2,4-dichlorocinnamic acid studied by kinetic photocrystallography [J] . Davaasambuu J, Busse G, Techert S The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2006,第9期

机译：动力学光晶体学研究2,4-二氯肉桂酸的光二聚作用机理
2. Solid-State Photodimerization Kinetics of alpha-trans-Cinnamic Acid to alpha-Truxillic Acid Studied via Solid-State NMR [J] . Marko Bertmer, Ryan C.Nieuwendaal, Alexander B.Barnes, The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical . 2006,第12期

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3. Effects of Aromatic Substitution on the Photodimerization Kinetics of β-trans Cinnamic Acid Derivatives Studied with ~(13)C Solid-State NMR [J] . Isa Fonseca, Maria Baias, Sophia E. Hayes The journal of physical chemistry, C. Nanomaterials and interfaces . 2012,第22期

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5. Bimetal Treatment of Insensitive Munition 2,4-Dinitroanisole (DNAN) and Nitroguanidine (NQ): a Study of Kinetics, Mass Balance, Reaction Pathways, and Mechanisms [D] . Mai, Andrew. 2020

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6. Kinetic comparison of seven strains of 2,4-dichlorophenoxyacetic acid-degrading bacteria. [O] . L E Greer, J A Robinson, D R Shelton 1962

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7. Aspects of the Photodimerization Mechanism of 2, 4-Dichlorocinnamic Acid Studied by Kinetic Photocrystallography [O] . -1

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8. Kinetics and Mechanisms for Thermal Imidization of a Polyamic Acid Studied by Ultraviolet-Visible Spectroscopy [R] . Pyun, E., Mathisen, R. J., Sung, C. S. 1989

机译：紫外 - 可见光谱研究聚酰胺酸热酰亚胺化的动力学和机理

Aspects of the photodimerization mechanism of 2,4-dichlorocinnamic acid studied by kinetic photocrystallography

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