Publications by authors named "Alessia Di Noi"
Carbon dots (CDs) obtained from 5-(hydroxymethyl)furfural (5-HMF) were activated by a 365 nm-UV irradiation source and employed in the Knoevenagel condensation to investigate their photocatalytic mechanism. To this end, electrospray ionization mass spectrometry (ESI-MS) was used to monitor the time progress of the condensation and follow the formation of the final product in positive and negative ion modes at once. The intervention of the superoxide radical anion in the photocatalytic mechanism of CDs was highlighted.
View Article and Find Full Text PDFSulfuric Acid Catalyzed Esterification of Amino Acids in Thin Film.
J Am Soc Mass Spectrom
December 2023
Article Synopsis
- - The study explores the esterification of amino acids with methanol using HSO as a catalyst, specifically in tiny thin films created by ESI microdroplet deposition.
- - The reaction is most efficient at a thin film temperature of 70 °C, with essential factors like microdroplet size and film lifetime affecting the outcome.
- - l-tyrosine and l-phenylalanine, with their aromatic side chains, exhibit the highest reactivity, achieving yields of about 40-50%, showing that this thin film method produces results not seen in bulk reactions.