Catalogo dei prodotti della ricerca

SPERANZA, Maurizio
 Distribuzione geografica
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Continente #
NA - Nord America 10.876
EU - Europa 2.539
AS - Asia 1.422
SA - Sud America 99
AF - Africa 19
OC - Oceania 5
Totale 14.960
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Nazione #
US - Stati Uniti d'America 10.794
IT - Italia 666
SG - Singapore 582
SE - Svezia 581
IN - India 504
UA - Ucraina 388
FI - Finlandia 327
CN - Cina 271
DE - Germania 212
GB - Regno Unito 118
RO - Romania 74
CA - Canada 69
AR - Argentina 65
IE - Irlanda 63
AT - Austria 26
BR - Brasile 25
BE - Belgio 24
BG - Bulgaria 20
IR - Iran 17
TR - Turchia 14
MX - Messico 12
CH - Svizzera 10
KR - Corea 10
RU - Federazione Russa 9
CL - Cile 8
JP - Giappone 7
ZA - Sudafrica 7
NL - Olanda 6
TG - Togo 6
LT - Lituania 4
BD - Bangladesh 3
CZ - Repubblica Ceca 3
NZ - Nuova Zelanda 3
PK - Pakistan 3
AU - Australia 2
FR - Francia 2
HR - Croazia 2
IL - Israele 2
SC - Seychelles 2
AZ - Azerbaigian 1
EC - Ecuador 1
EG - Egitto 1
GR - Grecia 1
HK - Hong Kong 1
ID - Indonesia 1
KE - Kenya 1
MA - Marocco 1
MT - Malta 1
MU - Mauritius 1
NP - Nepal 1
PA - Panama 1
PL - Polonia 1
PS - Palestinian Territory 1
PT - Portogallo 1
SA - Arabia Saudita 1
TH - Thailandia 1
TW - Taiwan 1
VN - Vietnam 1
Totale 14.960
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Città #
Fairfield 1.916
Woodbridge 983
Ashburn 892
Houston 742
Chandler 732
Seattle 728
Wilmington 621
Cambridge 619
Ann Arbor 497
Singapore 379
Princeton 278
San Paolo di Civitate 274
Plano 271
Rome 258
Beijing 199
Lawrence 188
Santa Clara 179
Jacksonville 158
Boston 117
Grafing 117
San Diego 114
Millbury 105
Boardman 91
Andover 78
Des Moines 68
Helsinki 63
Dublin 62
Federal 62
Dearborn 45
Toronto 44
New York 40
Norwalk 37
Falkenstein 34
Falls Church 27
Los Angeles 26
Vienna 26
Indiana 24
Washington 24
Brussels 23
Bühl 22
Philadelphia 21
Ottawa 20
Sofia 20
Auburn Hills 16
Mannheim 16
Fremont 12
Istanbul 11
London 10
Milan 10
Tappahannock 10
Buffalo 9
San Mateo 9
Hefei 8
Bern 7
Dallas 7
Leawood 7
Redmond 7
Yellow Springs 7
Latina 6
Lomé 6
Muizenberg 6
Chiswick 5
Kunming 5
Laurel 5
Mexico City 5
Sacramento 5
Southend 5
Zanjan 5
Aversa 4
Bologna 4
Castelfranco Veneto 4
Frankfurt am Main 4
Mumbai 4
Nanchang 4
Perugia 4
Tlaquepaque 4
Bremen 3
Catania 3
Delhi 3
Fort Worth 3
Kilburn 3
Kish 3
Redwood City 3
Riva 3
Salerno 3
San Mauro Torinese 3
Shanghai 3
Wuhan 3
Zurich 3
Capua 2
Castel Campagnano 2
Coimbatore 2
Dhaka 2
Fumone 2
Guangzhou 2
Hounslow 2
Iztapalapa 2
Jinan 2
Jönköping 2
Las Vegas 2
Totale 11.516
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Nome #
L'esame di chimica generale 172
Competitive condensation and proton-transfer processes in the reaction of tert-C4H9+ ions with ammonia in gaseous systems at atmospheric pressure. 156
Electronic structure and conformational flexibility of D-cycloserine 135
Is the proton affinity of nitric acid larger than proton affinity of methyl nitrate? A direct experimental answer. 126
Chiral Ions in the Gas Phase. 5. Acid-Induced Methanolysis of Optically Active Styrene Oxide. 114
R2PI Study of Intermolecular Hydrogen Bond in Solvent-Free Chiral Complexes 111
Chiral Discrimination of Monofunctional Alcohols and Amines in the Gas Phase 104
Angle-resolved photoelectron spectroscopy of randomly oriented 3-hydroxytetrahydrofuran enantiomers 104
Chiral recognition by mass-resolved laser spectroscopy 103
Enantioselectivity in Gas_Phase Ion-Molecule Reactions. 102
Anna Giardini's journey from atoms to biomolecules 101
Structure and Reactivity of Free Arylium Ions. 2. Reactions of Decay-Formed Isomeric XC6H4+ Ions with Gaseous and Liquid Nucleophiles 97
Enantioselective Supramolecular Carriers for Nucleoside Drugs. A Thermodynamic and Kinetic Gas Phase Investigation 95
Gaseous Ion Activation Dynamics: the Role of the BUlk Gas in the Racemization of Chiral Oxonium Ions. 94
A kinetic study of guest displacement reactions on a host-guest complex with a photoswitchable calixarene 94
Reactions of helium tritide ions with gaseous hydrocarbons. V. cis- and trans-1,2-Dimethylcyclopropane. Unambiguous evidence for gaseous protonated cyclopropanes 93
Does a Chiral Alcohol Really Racemize when Its OH Group Is Protected with Boyer's Reaction? 93
Boyer's Reaction and Transetherification: Mechanism and New Perspectives 92
Diastereoselective gas-phase ion/molecule reactions of ethanolamine neurotransmitter/amido[4]resorcinarene adducts 91
Enantioselectivity by Mass Spectrometry 88
Synthesis and 3H NMR analysis of benzene-1,4-t2: a natural source of tritiated phenylium cations 87
Gas-Phase Protonation of Allene and Propyne. Remarkably Selective Formation of 2-Propenyl Ions 87
Arylation of Cyclic Ethers by Gaseous Phenylium Ions. Formation and Behavior of Phenoxenium Ions in the Gas Phase 87
Aromatic substitution by free benzyl cations from the nuclear decay of multi-tritiated toluene. Competitive benzylation of benzene and toluene in the gas phase and in solution. 87
Fast stereoselective reactions in electrosprayed Co(II)/neurotransmitter nanodroplets 86
Chiral Clusters in the Gas Phase 86
Acid-catalyzed aldehyde-ketone rearrangements in the gas phase. Cyclopentane- and cyclohexanecarboxaldehyde. 84
Chiral Recognition of Diols by Complexation with (R)-(+)-1-Phenyl-1-propanol: a R2PI Approach in Supersonic Beam 83
Excitation, Ionization, and Fragmentation of Chiral Molecules in Asymmetric Microenvironments: A Mass Resolved R2PI Spectroscopic Study. 83
GAS-PHASE HETEROAROMATIC SUBSTITUTION .13. A QUANTITATIVE APPLICATION OF THE CURVE-CROSSING REACTIVITY MODEL TO HETEROAROMATIC SUBSTITUTION 82
Cyclochiral resorcin[4]arenes as effective enantioselectors in the gas phase 82
Aromatic substitution in the gas phase. Ambident behavior of halo- and dihalobenzenes toward D2T+. Tritiodeprotonation vs. tritiodehalogenation 81
Protonated hexaazamacrocycles as selective K+ receptors 81
Laser Production of Metal Clusters in Supersonic Beam and Studies of their Reactivity towards Biological and Inorganic Systems 80
Flattened cone 2,8,14,20-tetrakis(L-valinamido)[4]resorcinarene: An enantioselective allosteric receptor in the gas phase 79
Stereochemical effects in the gas-phase pinacol rearrangement. 2. Ring contraction versus methyl migration in cis- and trans-1,2-dimethylcyclohexane-1,2-diol 79
Automerization of gaseous phenylium ions. Direct evidence from the phenylation of methyl halides 79
Energetics of Molecular Complexes in a Supersonic Beam: a Novel Spectroscopic Tool for Enantiomeric Discrimination 79
Chiral Aggregates of Indan-1-ol with Secondary Alcohols and Water: Laser Spectroscopy in Supersonic Beams 79
CHIRAL IONS IN THE GAS PHASE. 1. INTRAMOLECULAR RACEMIZATION AND ISOMERIZATION OF O-PROTONATED (S)-TRANS-4-HEXEN-3-OL 78
Anomalous Stereochemistry of Gas-phase Acid-induced Ring-opening In 1-phenylcyclohexene Oxide 78
Stable vs. Metastable HOOO. An Experimental Solution for an Evergreen Theoretical Dilemma 77
Enantioselective HF loss promoted by resonant two-photon ionization of supersonically expanded (R)-1-phenyl-2,2,2-trifluoroethanol clusters. 77
Gas-phase complexes: noncovalent interactions and stereospecificity 77
Microsolvated Ion Stereochemistry 77
Chiral Clusters in a Supersonic Beam: R2PI-TOF Spectroscopy of Diastereomeric Carboxylic Esters/(R)-(+)-1-Phenyl-1-propanol Complexes 77
Structure and conformation of protonated d -(+)-biotin in the unsolvated state 77
The "Bridge" Game: Role of the Fourth Player in Chiral Recognition 76
Intramolecular n-type proton/hydrogen network in basic structures of vitamin B6 investigated by IRMPD spectroscopy 76
Gas-Phase Enantioselective Reactions in Noncovalent Ion-Molecule Complexes 75
XeO+ and XeOH+ ions: a new class of powerful oxidative oxygenating agents in the gas phase. 75
Dynamics and reactivity of chiral ion-dipole pairs 75
Microsolvation effects on the pi greca*-pi greca electronic transitions in simple aromatic chromophores: the role of the Slater-type Gaussian orbitals in the complete active space self-consistent field approach. 75
Cavity effects on the enantioselectivity of chiral amido[4]resorcinarene stereoisomers 74
Chirality and Intermolecular Forces: Studies using R2PI Experiments in Supersonic Beams 74
GAS-PHASE STRUCTURE AND RELATIVE STABILITY OF PROTON-BOUND HOMO- AND HETEROCHIRAL CLUSTERS OF TETRA-AMIDE MACROCYCLES WITH AMINES 73
Chiral Discrimination of 2.3-Butanediols by Laser Spectroscopy 72
Role of the solvent on the stability of cycloserine under ESI-​MS conditions 72
Stereoselective noncovalent interactions of monosaccharides with hydrazine 72
Eliminative ring opening of oxiranium ions in the gas phase 72
Contact ion pairs on a protonated azamacrocycle: the role of the anion basicity 71
CONCERNING THE PROTON AFFINITY OF HYDRAZOIC ACID AND METHYL NITRATE 70
Gas-phase Base-induced Elimination-reactions In Onium Intermediates .2. Stereochemistry and Orientation In Alkene Formation From Gaseous Halonium Ions 70
CONFORMATION IN 2,3-DIFLUOROBUTANES 70
Energetics of monohydrated chiral R(+)-1-phenyl-1-propanol: supersonic beam experiments and density functional calculations 70
Chiral recognition by resorcin[4]arene receptors: Intrinsic kinetics and dynamics 69
Interactions of vinca alkaloid subunits with chiral amido[4]resorcinarenes: A dynamic, kinetic, and spectroscopic study 69
Aromatic substitution in the gas phase. Mechanism of the dehalogenation reactions of halobenzenes and dihalobenzenes promoted by gaseous Broensted acids 69
Protonated ozone: experimental detection of O3H+ and evaluation of the proton affinity of ozone 68
Modelling amphetamine/receptor interactions: A gas-phase study of complexes formed between amphetamine and some chiral amido[4]resorcinarenes 68
Hydride ion transfer reactions in the gas phase. Evidence of anchimeric assistance in H- transfer from 1,1-dimethylcyclopentane and alkyl cations 67
Formation and Structural Discrimination of Stable Halophenylium Ions in the Gas Phase. 67
Gas-phase acid-induced nucleophilic displacement reactions. Stereochemistry of inter- and intramolecular substitutions at saturated carbon 67
Host Guest Interactions in Organofluorine Complexes Investigated Through Laser Methodologies 67
The effect of fluorine substitution in chiral recognition: interplay of CH⋯π, OH⋯π and CH⋯F interactions in gas-phase complexes of 1-aryl-1-ethanol with butan-2-ol 67
Competitive Concerted and Stepwise Addition of Free Arylium Ions To Propane In the Gas-phase 66
Mass Resolved Laser Spectroscopy of Microsolvated R-(+)-1-Phenyl-1-propanol: A Chiral Molecule of Biological Interest. 66
Monosolvation effects in chiral fluoroorganic compounds: a R2PI study 66
Phenylium (C6H5+) ion-molecule reactions studied by ion cyclotron resonance spectroscopy 65
Proof of existence of cyclic C4H7+ ions in the dilute gas state 65
Ionic Lewis superacids in the gas phase. Part 5. Competing ligand displacements in the adducts between SiF3-x(OH)x+ (x = 0-3) ions and H218O. 65
Reactivity of contact ion pairs in a charged monotopic receptor 64
Modelling neurotransmitter functions: a laser spectroscopic study of (1S,2S)-N-methylpseudoephedrine and its complexes with achiral and chiral molecules 64
Facial control of gas-phase enantioselectivity of strapped tetra-amide macrocycles 64
Gas-phase diastereoselectivity of secondary 5-substituted (X)-adamant-2-yl (X=F, Si(CH3)3) cations. 63
Reaction diastereoselectivity of chiral aminoalcohols/[Co(II)NO3]+ complexes in evaporating ESI nanodroplets: new insights from a joint experimental and computational investigation. 63
Exceptional gas-phase enantioselectivity of chiral tetramide macrocycles 63
Gas-phase basicity and enantiodiscrimination of some phosphorous-containing a-amino acid mimics 63
Gas Phase Acid-Induced Nucleophilic Displacement Reactions. Structural and Stereochemical Evidence for the Existence and Relative Stability of Alkylenebenzenium Ions in the Gas Phase 63
Ultraviolet and infrared spectroscopy of neutral and ionic non-covalent diastereomeric complexes in the gas phase 63
Gas-phase aromatic substitution. Isomerization of gaseous arenium ions from the attack of D2T+ on dihalobenzenes 63
Conformational Landscape of Supersonically Expanded 1-(Fluorophenyl)ethanols and Their Monohydrated Clusters 63
Unexpected behavior of diastereomeric ions in the gas phase: a stimulus for pondering on ee Measurements by ESI-MS 63
Special issue in Honor of Fulvio Cacace. 63
Ionic Lewis Superacids in the Gas Phase. Part 3. Reactions of Gaseous CF3+ with Nitrogen Bases 63
Gas-phase enantioselectivity of chiral N-linked peptidoresorc[4]arene isomers toward dipeptides 62
Concerning the Basicity of Ozone 62
Gas-phase Ion-molecule Reactions of Monogermane With Carbon Oxides and Ethylene - Formation of Germanium Carbon Bonds 62
Gas-phase Base-induced Elimination-reactions In Onium Intermediates .1. Competitive Substitution and Elimination Mechanisms In the Attack of Amines On Diethylmethyloxonium Ions 62
Photo-ionization spectroscopy and mass spectrometry of some molecular and supramolecular asymmetric systems in the isolated state 62
Totale 7.932
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Categoria #
all - tutte 41.237
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 41.237
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/20202.245 0 0 0 0 0 389 458 419 398 275 196 110
2020/20211.164 125 216 63 112 16 56 18 150 233 101 62 12
2021/20222.674 10 174 235 112 369 106 44 326 181 205 335 577
2022/20232.876 552 653 125 314 320 283 88 163 260 15 75 28
2023/2024983 87 151 61 69 74 134 33 58 2 142 80 92
2024/2025831 142 142 155 77 223 92 0 0 0 0 0 0
Totale 15.232