NIR-laser-induced selective rotamerization of hydroxy conformers of cytosine

• Autor(es): Lapinski, Leszek ; Nowak, Maciej J. ; Reva, Igor ; Rostkowska, Hanna ; Fausto, Rui
• Data: 2010
• Identificador Persistente: http://hdl.handle.net/10316/18075
• Origem: Estudo Geral - Universidade de Coimbra
• Tipo de Documento: Artigo
• Idioma: Inglês

Descrição

The relative populations of two amino-hydroxy conformers of cytosine, differing in rotation of the OH group by 180°, were selectively and repeatedly manipulated with narrowband, near-infrared laser light. For cytosine monomers isolated in a low-temperature Ar matrix, laser irradiations at 7013 cm−1 and at 7034 cm−1 were found to induce effective transformations of the two conformers into each other.