Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Laura Guarcini"'
Publikováno v:
International Journal of Mass Spectrometry. 438:148-156
A combined IRMPD and DFT study of the isomeric forms of protonated pyridoxine, pyridoxamine and pyridoxal has allowed to establish the spectroscopic and some peculiar structural features of these basic components of the vitamin B6 group in the gas ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b466e3069614023a2a06ca527cc4e813
https://doi.org/10.1016/j.ijms.2019.01.006
https://doi.org/10.1016/j.ijms.2019.01.006
Publikováno v:
Chirality. 28:269-275
The progress and stereochemistry of Boyer's reaction were analyzed using several simple, chiral, alcoholic substrates, a variable amount of BiBr3 and different solvents. Basic solvents inhibit the reaction, while cyclohexane works very well; thus, it
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2624a4571d04385b023c13a41c9c88e
https://doi.org/10.1002/chir.22581
https://doi.org/10.1002/chir.22581
Autor:
Costantino Zazza, Susanna Piccirillo, Luisa Mannina, Laura Guarcini, Simone Circi, Barbara Chiavarino, Caterina Fraschetti, Antonello Filippi
Publikováno v:
Physical chemistry chemical physics : PCCP. 20(13)
Conformational characterization of single α- and β-epimers of galactosamine in solution still remains an intriguing task because of their flexibility and ability to interconvert. This difficulty was circumvented by recording several “snapshots”
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f410fa38ce239c1f59525f49821b08c
https://pubmed.ncbi.nlm.nih.gov/29536991
https://pubmed.ncbi.nlm.nih.gov/29536991
The presence of antiviral compounds in the Guttiferae family as medicinal plants and the long traditional use of species of the genus Hypericum for the treatment of many viral infections have developed a strong interest. Among the natural products of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::703b9e87095a50c74a3522168e4d64cb
http://hdl.handle.net/11573/1066155
http://hdl.handle.net/11573/1066155
Autor:
Sergio Rosselli, Alessandro Venditti, Maurizio Bruno, Felice Senatore, Armandodoriano Bianco, Laura Guarcini
Publikováno v:
Natural Product Research. 30:912-919
A complete chemical investigation of Achillea ligustica All. growing at Lipari (Aeolian Island, Sicily) has been carried out. Seventeen metabolites have been isolated and characterised from dichloromethane and methanol extracts of flowers and aerial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5e2eb765657a2069d62f06bb401082d
https://doi.org/10.1080/14786419.2015.1079188
https://doi.org/10.1080/14786419.2015.1079188
Publikováno v:
The Journal of Physical Chemistry B. 119:6198-6203
A combined computational and infrared multiphoton dissociation (IRMPD) spectroscopic investigation shows that protonated d-(+)-biotin, formed in the gas phase by ESI-MS, acquires a folded structure with proton bonding between the ureido and valeryl c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::039e23af8bf693522af8643c76f753b2
https://doi.org/10.1021/acs.jpcb.5b02660
https://doi.org/10.1021/acs.jpcb.5b02660
Autor:
Antonello Filippi, Maurizio Speranza, Laura Guarcini, Costantino Zazza, Caterina Fraschetti, Tadashi Ema
Publikováno v:
Chemphyschem : a European journal of chemical physics and physical chemistry. 18(18)
The infrared multiphoton dissociation (IRMPD) spectra of electrospray ionization (ESI)-formed proton-bound complexes between the axially chiral multifunctional macrocycle MaR and d- and l-phenylalanine (PD and PL) or d- and l-3,4-dihydroxyphenylalani
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a33f0f91c2fc799cae399ed41296dc0
https://pubmed.ncbi.nlm.nih.gov/28722308
https://pubmed.ncbi.nlm.nih.gov/28722308
Autor:
Maria Elisa Crestoni, Marco Glucini, Maria Montagna, Maurizio Speranza, Antonello Filippi, Caterina Fraschetti, Laura Guarcini, Enrico Marcantoni
An integrated FT-ICR and computational approach has been employed to investigate the gas phase structure and reactivity of ESI-formed complexes between organic and inorganic acids (HX) and a K+-containing hexaazamacrocycle (M). Two limiting structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::214b1e792c3adf56246a876c7c6474a8
http://hdl.handle.net/11581/392686
http://hdl.handle.net/11581/392686
Publikováno v:
Plant Systematics and Evolution. 301:685-690
The ethanolic extract of Pentas lanceolata (Forssk.) Deflers was investigated from a phytochemical point of view and in particular on the monoterpenoid glucosides content. Iridoid glucosides have a taxonomic relevance, e.g., asperuloside and its deri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::472cdecd2c00300dc13c72054f53a35c
https://doi.org/10.1007/s00606-014-1106-9
https://doi.org/10.1007/s00606-014-1106-9
Autor:
Laura Guarcini, Rosario Nicoletti, Paolo Nencini, Letizia Antonilli, Giuseppina I. Togna, Filomena Sanasi, Armandodoriano Bianco, Giovanna Sabatini, Anna Rita Togna, Alessandro Venditti
Publikováno v:
Bioorganic & Medicinal Chemistry. 21:7955-7963
We have previously found that phenanthrenic opioids, including codeine, modulate morphine glucuronidation in the rat. Here codeine and five of its derivatives were compared in their effects on the synthesis of morphine-3-glucuronide (M3G) and morphin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5572418825dbe707756959371034a3b1
https://doi.org/10.1016/j.bmc.2013.09.062
https://doi.org/10.1016/j.bmc.2013.09.062