PIERMATTI, Oriana
 Distribuzione geografica
Continente #
NA - Nord America 4.342
EU - Europa 2.869
AS - Asia 2.550
SA - Sud America 488
Continente sconosciuto - Info sul continente non disponibili 297
AF - Africa 73
OC - Oceania 1
Totale 10.620
Nazione #
US - Stati Uniti d'America 4.168
SG - Singapore 1.124
UA - Ucraina 503
IT - Italia 491
IE - Irlanda 422
BR - Brasile 380
RU - Federazione Russa 346
VN - Vietnam 341
CN - Cina 336
HK - Hong Kong 320
SE - Svezia 313
DE - Germania 206
FR - Francia 178
FI - Finlandia 146
KR - Corea 105
GB - Regno Unito 98
CA - Canada 76
BD - Bangladesh 52
IN - India 51
TR - Turchia 48
AR - Argentina 36
MX - Messico 34
NL - Olanda 28
ID - Indonesia 26
PL - Polonia 26
EC - Ecuador 24
JP - Giappone 24
ZA - Sudafrica 24
ES - Italia 21
IQ - Iraq 21
BE - Belgio 19
PK - Pakistan 16
CH - Svizzera 15
CO - Colombia 14
UZ - Uzbekistan 14
TT - Trinidad e Tobago 13
AT - Austria 12
SA - Arabia Saudita 12
CR - Costa Rica 10
EG - Egitto 9
IL - Israele 9
LB - Libano 9
MA - Marocco 9
TN - Tunisia 8
CL - Cile 7
GR - Grecia 7
HN - Honduras 7
VE - Venezuela 7
BG - Bulgaria 6
CW - ???statistics.table.value.countryCode.CW??? 6
GP - Guadalupe 6
GT - Guatemala 6
JM - Giamaica 6
JO - Giordania 6
LT - Lituania 6
MY - Malesia 6
PE - Perù 6
PY - Paraguay 6
RO - Romania 6
UY - Uruguay 6
BB - Barbados 5
AE - Emirati Arabi Uniti 4
CZ - Repubblica Ceca 4
KE - Kenya 4
SC - Seychelles 4
SV - El Salvador 4
DZ - Algeria 3
ET - Etiopia 3
EU - Europa 3
HU - Ungheria 3
NI - Nicaragua 3
NP - Nepal 3
PH - Filippine 3
PR - Porto Rico 3
SK - Slovacchia (Repubblica Slovacca) 3
TH - Thailandia 3
AZ - Azerbaigian 2
BO - Bolivia 2
GA - Gabon 2
HR - Croazia 2
KH - Cambogia 2
KW - Kuwait 2
PT - Portogallo 2
RS - Serbia 2
SY - Repubblica araba siriana 2
AL - Albania 1
AM - Armenia 1
AO - Angola 1
BH - Bahrain 1
CG - Congo 1
CI - Costa d'Avorio 1
CY - Cipro 1
DO - Repubblica Dominicana 1
EE - Estonia 1
KZ - Kazakistan 1
LA - Repubblica Popolare Democratica del Laos 1
LV - Lettonia 1
ML - Mali 1
MM - Myanmar 1
MN - Mongolia 1
Totale 10.325
Città #
Singapore 750
Chandler 517
Dublin 421
Ashburn 351
San Jose 330
Hong Kong 318
Jacksonville 277
San Mateo 210
Dong Ket 194
Santa Clara 177
Council Bluffs 147
Boardman 146
Princeton 110
Medford 106
Moscow 102
Seoul 100
Lauterbourg 95
Perugia 95
Beijing 87
Ann Arbor 85
Wilmington 75
Andover 71
Des Moines 67
Los Angeles 55
Ho Chi Minh City 54
Munich 53
New York 50
Helsinki 41
The Dalles 41
Altamura 40
São Paulo 36
Piscataway 34
Saint Petersburg 34
Rome 33
Hanoi 31
Lawrence 31
Montreal 23
Tokyo 23
Milan 22
Orem 22
Izmir 21
Frankfurt am Main 18
Redmond 18
Brussels 17
Shanghai 17
Woodbridge 17
Brooklyn 16
Washington 16
Johannesburg 15
Phoenix 15
Ankara 14
Houston 14
Norwalk 14
Philadelphia 14
Turku 14
Bologna 13
Columbus 13
Dallas 13
Warsaw 13
Belo Horizonte 12
Chicago 12
Dearborn 12
Denver 12
London 12
Rio de Janeiro 12
North Bergen 11
Auburn Hills 10
Mexico City 10
San Francisco 10
San José 10
Toronto 10
Turin 10
Amsterdam 9
Chennai 9
Falkenstein 9
Guayaquil 9
Stockholm 9
Boston 8
Manchester 8
Mumbai 8
Quito 8
Tashkent 8
Brasília 7
Seattle 7
Atlanta 6
Cairo 6
Chaguanas 6
Curitiba 6
Da Nang 6
Fairfield 6
New Delhi 6
Poplar 6
Redwood City 6
Willemstad 6
Amman 5
Baghdad 5
Bari 5
Birmingham 5
Biên Hòa 5
Bridgetown 5
Totale 6.078
Nome #
Sintesi in Acqua di 1,2-Amminoli Tramite Azidolisi Regioselettiva di Ossiran 228
alfa-FOSFATO DI ZIRCONIO COME CATALIZZATORE ETEROGENEO NELLA REAZIONE DI DIELS-ALDER, ACIDO DI BRONSTED CATALIZZATA, DI UNA VARIETA' DI IMMINE CON DIENI 222
[2.2]Paraciclofano: Sintesi di nuovi derivatie loro applicazione in Sintesi Asimmetrica 190
γ‑Valerolactone as a Renewable Dipolar Aprotic Solvent Deriving from Biomass Degradation for the Hiyama Reaction 162
Alpha-Zirconium Hydrogen Phosphate and Phosphonates as Heterogeneous Bronsted Acid Catalyst for direct Aza-Diels-Alder Reaction in Water 157
Au@zirconium-phosphonate nanoparticles as an effective catalytic system for the chemoselective and switchable reduction of nitroarenes 151
Chemoselective oxidations in water of functional groups 148
Cumarine 3-sostituite, 2-Nitroacrilonitrili ed Azoalcheni nel Ruolo di Eterodieni e/o Dienofili nella Reazione di Diels-Alder in Acqua 147
3-Nitrocoumarins as Dienophiles in the Diels-Alder Reaction in Water. An Approach to the Synthesis of Nitrotetrahydrobenzo[c]chromenones and Dihydrodibenzo[b,d]furans 146
Sintesi Diastereo- ed Enantioselettiva di 1.2-Ossazine N-Ossido in Acqua 144
Accessing stable zirconium carboxy-aminophosphonate nanosheets as support for highly active Pd nanoparticles 144
Aza-Diels-Alder reaction of Danishefsky's diene with immines catalyzed by porous α-zirconium hydrogen phosphate and SDS under solvent-free conditions 143
A heterogeneous and recoverable palladium catalyst to access the regioselective C-H alkenylation of quinoline N -oxides 142
Multistep Flow Procedure for the Waste-Minimized Preparation of N-Boc-ß-Amino Ketones 133
Immobilized palladium nanoparticles on potassium zirconium phosphate as an efficient recoverable heterogeneous catalyst for a clean Heck reaction in flow 133
Studio della Reattività dell’Anello Epossidico in Mezzo Acquoso 131
Asymmetric Diels-Alder, Michael, and Aldol reactions using a planar chiral 1,3-oxazol-2(3H)-one derived from (R)-(+)-4-hydroxy-[2,2]paracyclophan 129
Acqua, assenza di solvente, acidi di Lewis ed alta pressione a confronto nella sintesi di tetraidro-dibenzo[b,d]piran-6-oni 127
New Zirconium Hydrogen Phosphate Alkyl and/or Aryl Phosphonates with High Surface Area as Heterogeneous Brønsted Acid Catalysts for Aza-Diels-Alder Reaction in Aqueous Medium 127
L'acqua come Matrice nelle Reazioni Organiche: Sintesi Ecocompatibili di Eterociclici Azotati 126
Immobilized Palladium Nanoparticles on Zirconium Carboxy-Aminophosphonates Nanosheets as an Efficient Recoverable Heterogeneous Catalyst for Suzuki–Miyaura and Heck Coupling 125
Supported L-proline on Zirconium Phosphates Methyl and/or Phenyl Phosphonates as Heterogeneous Organocatalysts for Direct Asymmetric Aldol Addition. 124
[2.2]Paracyclophane Derived N-Acyloxazol-2(3H)-one as Suitable Planar Chiral Auxiliary for Enantioselective synthesis of beta-Hydroxyacids 121
Controllo del pH sulla Reattività e sulla Regioselettività della Azidolisi di Epossidi in Mezzo Acquoso 116
Prima Sintesi di un Ossazolidinone a chiralità Planare e sua Applicazione come Ausiliare Chirale 116
Sustainable Protocol for the Reduction of Nitroarenes by Heterogeneous Au@SBA-15 with NaBH4 under Flow Conditions 116
Ring Opening of Epoxides with Sodium Azide in Water. A Regioselective pH-Controlled Reaction 115
Polarclean/Water as a Safe and Recoverable Medium for Selective C2-Arylation of Indoles Catalyzed by Pd/C 115
L'acqua efficace mezzo di reazione sostitutivo del solvente organico per processi di ossidazione selettiva 114
(S)-(-)- and (R)-(+)-4-Methyl-2-hydroxymethyl[2]paracyclo-[2](5,8)quinolino-phane: Novel N,O-planar Chiral Catalyst for the enantioselective Addition of Diethylzinc to Aldehydes 113
Definition of green synthetic tools based on safer reaction media, heterogeneous catalysis, and flow technology 112
Synthesis and Reactivity of Pyronoids in Aqueous Medium 111
Diels-Alder Reactions of 3-Substituted Coumarins in Water and under High-Pressure Condition. An Uncatalyzed Route to Tetrahydro-6H-benzo[c]chromen-6-ones 111
Efficient catalytic upgrading of levulinic acid into alkyl levulinates by resin-supported acids and flow reactors 110
Direct Aza Diels-Alder Reaction in Water Catalyzed by Layered α-Zirconium Hydrogen Phosphate and SDS 110
Polarclean as a Sustainable Reaction Medium for the Waste Minimized Synthesis of Heterocyclic Compounds 110
A stereoselective organic base-catalyzed protocol for hydroamination of alkynes under solvent-free conditions 109
Uncatalyzed and solvent-free multicomponent process for the synthesis of biphenyl-2-carbonitrile derivatives 108
[4+2] Cycloaddition of Nitroalkenes in Water. Highly Asymmetric Synthesis of Functionalized Nitronates 106
Sintesi e Configurazione Assoluta di [2.2]Paraciclofani Monosostituiti Omochirali 105
Zirconium potassium phosphate methyl and/or phenyl phosphonates as heterogeneous catalysts for Knoevenagel condensation under solvent free conditions 104
PREPARAZIONE, CARATTERIZZAZIONE ED UTILIZZO IN CATALISI ASIMMETRICA ETEROGENEA DELL'alfa-FOSFATO DI ZIRCONIO FUNZIONALIZZATO CON PROLINA 103
The aldol-type condensation of lithium, boron and titanium enolates of isocaranyl acetates with benzaldehyde. The metal and chiral auxiliary effects 103
Base-catalyzed aldol- and Michael-type condensations in aqueous medium 102
Chiral [2.2]Paracyclophane Derivates as Suitable Ligands of Metal Catalysts for Stereoselective Synthesis 101
Alkenes: Synthesis by Pericyclic Reactions. 100
Hygh-Pressure Diels-Alder Cycloaddition between Benzylideneacetones and 1,3-Butadienes: Application to the Synthesis of (R,R)-(-)- and (S,S)-(+)-Δ8-Tetrahydrocannabinol 100
Usi innovativi dell'acqua come mezzo di reazione di processi organici 100
A waste-minimized protocol for copper-catalyzed Ullmann-type reaction in a biomass derived furfuryl alcohol/water azeotrope 100
Chiral Borane of Layered alfa-Zirconium-N-(m-Solfofenyl)-L-Valine-Phosphonate Methanphosphonate Promoters for the Asymmetric Mukaiyama Aldxol Reaction 99
Environmentally-Friendly Synthesis and Reactions of alpha,beta-Unsaturated Nitroalkenes 99
New alpha-Zirconium Hydrogen Phosphates with high surface area as heterogeneous catalyst for Direct Aza-Diels-Alder. 98
Nucleophilic Ring Openin of 1,2-Epoxides in Aqueous Medium 98
High Pressure Diels-Alder Approach to Hydroxy-Substituted 6a-cyano-tetrahydro-6H-benzo[c]chromen-6-ones: A Route to Delta6-Cis-Cannabidiol 95
Polymer-Supported Bis-1,2,4-triazolium Ionic Tag Framework for an Efficient Pd(0) Catalytic System in Biomass Derived γ-Valerolactone 94
Asymmetric Aldol Reaction Using Zirconium Phosphonate Supported L-Proline 92
Cyanation of Enones on polystyrene-Supported Ammonium Fluoride 88
An Efficient and Waste-Minimized One-Pot Procedure for the Preparation of N-Boc-γ‑amino Alcohols Starting from α,β-Unsaturated Ketones in Flow 88
Waste Minimized Multistep Preparation in Flow of β-Amino Acids Starting from α,β-Unsaturated Carboxylic Acids 86
Enzymatic kinetic resolution of (±)-4-acetoxy[2.2]paracyclophane by Candida cylindracea Lipase. An efficient route for the preparation of (+)-R-4-hydroxy- and (+)-S-4-acetoxy[2.2]paracyclopane 85
Copper(II) triflate-sodium dodecyl sulfate catalyzed preparation of 1,2-diphenyl-2,3-dihydro-4-pyridones in aqueous acidic medium 85
Synthesis of β-Cyano Ketones Promoted by a Heterogeneous Fluoride Catalyst 83
Chiral borane of layered α-Zirconium-N-(m-solfophenyl)-L-Valine-Phosphonate Methanphosphonate promoters for the asymmetric Mukaiyama Aldol reaction 82
Water, a clean, inexpensive, and re-usable reaction medium. One-pot synthesis of (E)-2-aryl-1-cyano-1-nitroethenes 82
Low-polluting chemical processes - aldol and allylation reactions in water 82
Synthesis of Zirconium Phosphonate Supported L-Proline as an Effective Organocatalyst for Direct Asymmetric Aldol Addition 81
L-PROLINA SUPPORTATA SU FOSFATI DI Zr: PREPARAZIONE E LORO APPLICAZIONE COME CATALIZZATORI IN SINTESI ASIMMETRICA IN FASE ETEROGENEA 80
Simple and efficient one-pot preparation of 3-substituted coumarins in water 80
Prima Sintesi di un Ossazolidinone a Chiralità Planare e sua Applicazione come Ausiliare Chirale 80
Metal Nanoparticles as Sustainable Tools for C–N Bond Formation via C–H Activation 80
High Pressure Diels-Alder Reaction of benzilidene acetone derivatives. A new route to delta-8-Tetrahydrocannabinol 79
Inverse-Electron-Demand Diels-Alder Reactions of (E)-3-diazenylbut-2-enes in Water 79
Green Reaction Media for Cross-Coupling Reactions: A Recent Overview and Possible Directions 79
Enzymatic Kinetic Resolution of (±)-4-Acetoxy[2.2]paracyclophane by Candida Cylindracea Lipase. An Efficient Route for the Preparation of (+)-(R)-4-Hydroxy- and (+)-(S)-4-Acetoxy[2.2]paracyclophane. 78
Synthesis of 4-Aryl-1H-1,2,3-Triazoles Through TBAF-Catalyzed [3+2] Cycloaddition of 2-Aryl-1-nitroethenes with TMSN3 under Solvent-Free Conditions 78
Higly diastereoselective epoxidation of cycloalkenols with monoperoxyphthalic acid in water 76
Efficient enantioselective synthesis of methyl esters of alpha-unsubstituted beta-hydroxy acids via asymmetric aldol-type additions of chiral boron enolates of (methylthio)acetic acid to aldehydes 75
Reazioni di Diels-Alder ad alta pressione di 3-cianocumarine: sintesi di cannabinoidi, 74
Enantio- and diastereoselective aldol-addition of chiral boron enolates of carboxylic acids to benzaldehyde 73
Synthesis of Chiral (R)-4-Hydroxy- and (R)-4-Hologeno[2.2]paracyclo-phanes and Group-Polarizability-Optical Rotation Relationship. 72
Preparazione di α-Zirconio-N-(m-solfofenil)-L-Valina-Fosfonato Metanfosfonato Lamellare e suo Utilizzo nella Catalisi della Reazione di Addizione Asimmetrica di Mukaiyama 69
Water as Reaction Medium in the Synthetic Processes Involving Epoxides 69
Recent Applications of Solid-Supported Ammonium Fluorides in Organic Synthesis 69
Strategies to Immobilized Catalysts: A Key Tool for Modern Chemistry 69
Metal and Metal Oxide Nanoparticles Catalyzed C–H Activation for C–O and C–X (X = Halogen, B, P, S, Se) Bond Formation 67
Organic synthesis in unconventional reation media 67
Hetero Diels-Alder reactions in aqueous medium 66
Zirconium Phosphates and Phosphonates: Applications in Catalysis 65
Recent Advances in Lewis-Acid Catalyzed Diels-Alder Reactions in Aqueous Media 65
Synthesis and Far-UV Circular Dichroism Spectra Analysed by Coupled Oscillator Calculations of Some New 4-Substituted [2.2]Paracyclophanes 65
Pericyclic Rearrangement: Sigmatropic, Electrocyclic, and Ene Reaction 65
Pericyclic Reactions in Aqueous Media 64
Epoxidation of olefins in aqueous medium 64
Enantioselectivity of Aldol-Type Condensation of Chiral Boron and Titanium Acetate Enolates with Benzaldehyde 63
One-Pot Synthesis of 3-Carboxycoumarins via Consecutive Knoevenogel-Pinner Reactions in Water 63
Waste minimized one-pot synthesis of azido- or triazole-pyrazolines using polarclean as reaction medium 62
One-Pot Synthesis in Water of 7-Hydroxy-3-Carboxycoumarin 62
Synthesis and characterization of carnitine nitro-derivatives. 62
Synthesis of chiral (R)-4-hydroxy- and (R)-4-Halogeno[2.2]paracyclophanes and group polarizability - optically rotation relationship 61
Enantioselettive synthesis of b-hydroxy acids via chiral enolates of carboxylic acids and esters 61
Totale 10.108
Categoria #
all - tutte 45.630
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 45.630


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/2022557 0 0 0 0 24 5 9 276 25 13 64 141
2022/20231.533 123 154 30 137 148 207 8 85 556 3 55 27
2023/2024652 60 59 48 12 8 7 139 14 106 23 86 90
2024/20251.345 33 134 36 87 197 48 39 112 237 86 216 120
2025/20263.020 220 190 158 483 391 248 472 158 310 247 77 66
2026/20271.001 72 91 159 605 74 0 0 0 0 0 0 0
Totale 10.620