UV-promoted radical formation, and near-IR-induced and spontaneous conformational isomerization in monomeric 9-methylguanine isolated in low-temperature Ar matrices-Reference-Cited by-同舟云学术

UV-promoted radical formation, and near-IR-induced and spontaneous conformational isomerization in monomeric 9-methylguanine isolated in low-temperature Ar matrices

Published:2019 Issue:41 Volume:21 Page:22857-22868
ISSN:1463-9076
Container-title:Physical Chemistry Chemical Physics
language:en
Short-container-title:Phys. Chem. Chem. Phys.

Author:

Nowak Maciej J.¹²³⁴⁵^ORCID,Reva Igor⁶⁷⁸⁹¹⁰^ORCID,Lopes Jesus A. J.⁶¹¹⁸¹²¹⁰^ORCID,Lapinski Leszek¹²³⁴⁵^ORCID,Fausto Rui⁶⁷⁸⁹¹⁰^ORCID

Affiliation:

1. Institute of Physics

2. Polish Academy of Sciences

3. Al. Lotnikow 32/46

4. 02-668 Warsaw

5. Poland

6. CQC

7. Department of Chemistry

8. University of Coimbra

9. 3004-535 Coimbra

10. Portugal

11. Faculty of Pharmacy

12. Coimbra

Abstract

An H-atom detaches from UV-excited 9-methylguanine. Excitation with monochromatic near-IR light selectively transforms a chosen amino-hydroxy conformer (AH1 or AH2) into the other. The AH2 form spontaneously converts, via H-atom tunneling, into AH1.

Funder

Seventh Framework Programme

Fundação para a Ciência e a Tecnologia

European Regional Development Fund

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Link

http://pubs.rsc.org/en/content/articlepdf/2019/CP/C9CP04487F

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1. Spectroscopic Studies on Vapour Phase Tautomerism of Natural Bases Found in Nucleic Acids