Vibrational circular dichroism as a probe of solid‐state organisation of derivatives of cyclic β‐amino acids: Cis ‐ and trans ‐2‐aminocyclobutane‐1‐carboxylic acid

Autor: David J. Aitken, Anne Zehnacker, Régis Guillot, Valérie Declerck, Michel Mons, Ariel Pérez-Mellor

Publikováno v: Chirality
Chirality, 2019, 31 (8), pp.547-560. ⟨10.1002/chir.23083⟩
Chirality, Wiley, 2019, 31 (8), pp.547-560. ⟨10.1002/chir.23083⟩

Peptide models built from cis- and trans-2-aminocyclobutane-1-carboxylic acids (ACBCs) are studied in the solid phase by combining Fourier-transform infrared spectroscopy (FTIR) absorption spectroscopy, vibrational circular dichroism (VCD), and quant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::245f84086c10ea517aafbddb3c564a0b
https://doi.org/10.1002/chir.23083

Structure and collision-induced dissociation of the protonated cyclo His-Phe dipeptide: mechanistic studies and stereochemical effects

Autor: Katia Le Barbu-Debus, Ariel Pérez-Mellor, Valeria Lepere, Ivan Alata, Anne Zehnacker, Riccardo Spezia

Publikováno v: The European Physical Journal D : Atomic, molecular, optical and plasma physics
The European Physical Journal D : Atomic, molecular, optical and plasma physics, EDP Sciences, 2021, 75 (6), ⟨10.1140/epjd/s10053-021-00173-w⟩

The role of stereochemical factors on the structure and the fragmentation paths of the protonated cyclic dipeptide cyclo histidine–phenylalanine is studied under ion traps conditions by combining tandem mass spectrometry, laser spectroscopy, quantu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8318d7a2f1bfb07db2b0749bf57594b8
https://doi.org/10.1140/epjd/s10053-021-00173-w

Infrared-Assisted Synthesis of Prebiotic Glycine

Autor: Ariel Pérez-Mellor, Jean-Xavier Bardaud, Debora Scuderi, Suvasthika Indrajith, Riccardo Spezia, Yannick Jeanvoine, Antonio Largo, Joël Lemaire

Publikováno v: ChemPhysChem
ChemPhysChem, 2020, 21 (6), pp.503-509. ⟨10.1002/cphc.202000065⟩
UVaDOC. Repositorio Documental de la Universidad de Valladolid
instname
ChemPhysChem, Wiley-VCH Verlag, 2020, 21 (6), pp.503-509. ⟨10.1002/cphc.202000065⟩

Producción Científica
A novel approach has been developed to synthesize complex organic molecules (COMs) relevant to prebiotic chemistry, using infrared (IR) radiation to trigger the reaction. An original laboratory reactor working at low gas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a90d9ceebf599d4cfada4ed740b81f0
https://hal.science/hal-02565776

Chirality Effects in Jet-Cooled Cyclic Dipeptides

Autor: Anne Zehnacker, Ariel Pérez-Mellor

Publikováno v: Physical Chemistry of Cold Gas-Phase Functional Molecules and Clusters
Physical Chemistry of Cold Gas-Phase Functional Molecules and Clusters, 21 (28), Springer Singapore, pp.63-87, 2019, ⟨10.1007/978-981-13-9371-6_3⟩
Physical Chemistry of Cold Gas-Phase Functional Molecules and Clusters, pp.63-87, 2019
Takayuki Ebata; Masaaki Fujii. Physical Chemistry of Cold Gas-Phase Functional Molecules and Clusters, Springer Singapore, pp.63-87, 2019, 978-981-13-9370-9. ⟨10.1007/978-981-13-9371-6_3⟩
Physical Chemistry of Cold Gas-Phase Functional Molecules and Clusters ISBN: 9789811393709

International audience; Jet-cooled bichromophoric cyclic dipeptides built on a diketopiperazine (DKP) ring are studied by combining conformer-specific vibrational spectroscopy with quantum chemical calculations. The dependence of the c-LL and c-LD di

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc081b268c7fa4add3a249fbb0e8c149
https://hal.archives-ouvertes.fr/hal-02347943

Vibrational circular dichroism of a 2,5-diketopiperazine (DKP) peptide: Evidence for dimer formation in cyclo LL or LD diphenylalanine in the solid state

Autor: Anne Zehnacker, Ariel Pérez-Mellor

Publikováno v: Chirality
Chirality, Wiley, 2017, 29 (2), pp.89-96. ⟨10.1002/chir.22674⟩

The diastereomer diketopiperazine (DKP) peptides built on phenylalanine, namely, cyclo diphenylalanine LPhe-LPhe and LPhe-DPhe, were studied in the solid phase by vibrational circular dichroism (VCD) coupled to quantum chemical calculations. The unit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bfeff629e463a4074573e35c0f65722
https://doi.org/10.1002/chir.22674