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  First investigations of the kinetics of the topochemical reaction of p-formyl-trans-cinnamic acid by time-resolved X-ray diffraction

Busse, G., Tschentscher, T., Plech, A., Wulff, M., Frederichs, B., & Techert, S. (2003). First investigations of the kinetics of the topochemical reaction of p-formyl-trans-cinnamic acid by time-resolved X-ray diffraction. Faraday Discussion, 122, 105-117. Retrieved from http://www.rsc.org/ej/FD/2003/b202831j.pdf.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0012-F1B2-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-E403-F
Genre: Journal Article

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Busse, G.1, Author           
Tschentscher, T., Author
Plech, A., Author
Wulff, M., Author
Frederichs, B.1, Author           
Techert, S.1, Author           
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1Research Group of Structural Dynamics of (Bio)Chemical Systems, MPI for biophysical chemistry, Max Planck Society, ou_578564              

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 Abstract: Under UV irradiation p-formyl-trans-cinnamic acid (p-FCA) crystals in the beta-phase dimerise irreversibly to solid 4,4'- diformyl-beta-truxinic acid. The experimental conditions were chosen in such a way (non-aqueous environment and room temperature) that the product formed is amorphous. The kinetics of this bimolecular reaction, which has not yet been characterised, was investigated by picosecond time-resolved X- ray diffraction. From the experimental results a mechanism for this topochemical reaction is proposed including two observed time constants, one less than 100 ps and another of several seconds. The feasibility of investigating this class of substances by time-resolved X-ray diffraction from third generation synchrotron sources and future free-electron lasers is discussed.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: eDoc: 16684
URI: http://www.rsc.org/ej/FD/2003/b202831j.pdf
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Title: Faraday Discussion
Source Genre: Journal
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Pages: - Volume / Issue: 122 Sequence Number: - Start / End Page: 105 - 117 Identifier: -