Direct spectroscopic evidence of photoisomerization in para-methoxy methylcinnamate revealed by low-temperature matrix-isolation FTIR spectroscopy
Journal of Physical Chemistry Letters Volume 6 Issue 7
Page 1134-1139
published_at 2015-04-02
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Title ( eng ) |
Direct spectroscopic evidence of photoisomerization in para-methoxy methylcinnamate revealed by low-temperature matrix-isolation FTIR spectroscopy
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Creator |
Miyazaki Yasunori
Akai Nobuyuki
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Source Title |
Journal of Physical Chemistry Letters
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Volume | 6 |
Issue | 7 |
Start Page | 1134 |
End Page | 1139 |
Abstract |
The photoisomerization of para-methoxy methylcinnamate (p-MMC) has been studied by low-temperature matrix-isolation FTIR spectroscopy. In particular, the difference spectrum of mid-IR frequency region (1100-1800 cm-1) allows us to distinguish the structural change before and after ultraviolet (UV) light irradiation at ≥300 nm and to convince that the cis-isomer is produced from the trans-isomer by comparing with the calculated IR spectra. Additionally, a reversible isomerization of p-MMC is demonstrated upon a sequential irradiation with different wavelengths of UV light. These findings provide a new insight of the electronic excited state dynamics of p-MMC.
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Descriptions |
This is a preprint of an article published by American Chemical Society in Journal of Physical Chemistry Letters, 2015, available online: http://pubs.acs.org/doi/abs/10.1021/acs.jpclett.5b00203.
This work is supported from Japan Society for the Promotion (JSPS) through a Grand-in-Aid project (No. 25410017).
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NDC |
Chemistry [ 430 ]
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Language |
eng
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Resource Type | journal article |
Publisher |
American Chemical Society
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Date of Issued | 2015-04-02 |
Rights |
Copyright (c) 2015 American Chemical Society
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Publish Type | Author’s Original |
Access Rights | open access |
Source Identifier |
[DOI] 10.1021/acs.jpclett.5b00203
[PMID] 26262962
[DOI] http://dx.doi.org/10.1021/acs.jpclett.5b00203
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