Photosensitised biphotonic chemistry of pyrimidine derivatives
Ofelia R Alzueta
1, 2, 3, 4, 5
,
Hitoshi Tamiaki Hitoshi Tamiaki
6, 7, 8, 9, 10, 11
,
M Cuquerella
1, 2, 3, 4, 5
,
M. Miranda
1, 2, 3, 4, 5
2
Instituto Universitario Mixto de Tecnología Química
4
Valencia
5
SPAIN
|
7
Prof. J. Cadet Département de Médecine Nucléaire et Radiobiologie
8
Faculté de médecine et des sciences de la santé
10
Sherbrooke
|
11
CANADA
|
Publication type: Journal Article
Publication date: 2020-03-10
scimago Q2
wos Q2
SJR: 0.600
CiteScore: 5.2
Impact factor: 2.7
ISSN: 14770520, 14770539
PubMed ID:
32167122
Organic Chemistry
Biochemistry
Physical and Theoretical Chemistry
Abstract
Photosensitised biphotonic irradiation of DNA has been rarely addressed, probably due to the difficulties in the experimental design. This is associated with the selection of nucleobases and sensitisers with appropriate absorption spectra and photochemical reactivity, in combination with a laser source emitting intense UVA light of the adequate wavelength. The present paper presents a new strategy involving absorption of a first UVA photon by an adequate sensitiser followed by triplet energy transfer to a pyrimidine (Pyr) derivative and absorption of a second UVA photon by the resulting Pyr triplet excited state. The feasibility of the proposed strategy has been demonstrated using two model reactions: (i) the Norrish–Yang photocyclisation of a tert-butyluracil and (ii) the photohydration of its uracil analogue, lacking the tert-butyl substituent.
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Alzueta O. R. et al. Photosensitised biphotonic chemistry of pyrimidine derivatives // Organic and Biomolecular Chemistry. 2020. Vol. 18. No. 12. pp. 2227-2232.
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Alzueta O. R., Hitoshi Tamiaki H. T., Cuquerella M., Miranda M. Photosensitised biphotonic chemistry of pyrimidine derivatives // Organic and Biomolecular Chemistry. 2020. Vol. 18. No. 12. pp. 2227-2232.
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RIS
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TY - JOUR
DO - 10.1039/d0ob00132e
UR - https://xlink.rsc.org/?DOI=D0OB00132E
TI - Photosensitised biphotonic chemistry of pyrimidine derivatives
T2 - Organic and Biomolecular Chemistry
AU - Alzueta, Ofelia R
AU - Hitoshi Tamiaki, Hitoshi Tamiaki
AU - Cuquerella, M
AU - Miranda, M.
PY - 2020
DA - 2020/03/10
PB - Royal Society of Chemistry (RSC)
SP - 2227-2232
IS - 12
VL - 18
PMID - 32167122
SN - 1477-0520
SN - 1477-0539
ER -
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BibTex (up to 50 authors)
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@article{2020_Alzueta,
author = {Ofelia R Alzueta and Hitoshi Tamiaki Hitoshi Tamiaki and M Cuquerella and M. Miranda},
title = {Photosensitised biphotonic chemistry of pyrimidine derivatives},
journal = {Organic and Biomolecular Chemistry},
year = {2020},
volume = {18},
publisher = {Royal Society of Chemistry (RSC)},
month = {mar},
url = {https://xlink.rsc.org/?DOI=D0OB00132E},
number = {12},
pages = {2227--2232},
doi = {10.1039/d0ob00132e}
}
Cite this
MLA
Copy
Alzueta, Ofelia R., et al. “Photosensitised biphotonic chemistry of pyrimidine derivatives.” Organic and Biomolecular Chemistry, vol. 18, no. 12, Mar. 2020, pp. 2227-2232. https://xlink.rsc.org/?DOI=D0OB00132E.