PIERMATTI, Oriana
 Distribuzione geografica
Continente #
NA - Nord America 3.620
EU - Europa 2.791
AS - Asia 2.515
SA - Sud America 468
Continente sconosciuto - Info sul continente non disponibili 291
AF - Africa 68
OC - Oceania 1
Totale 9.754
Nazione #
US - Stati Uniti d'America 3.533
SG - Singapore 1.108
UA - Ucraina 501
IT - Italia 451
IE - Irlanda 421
BR - Brasile 370
VN - Vietnam 339
CN - Cina 334
RU - Federazione Russa 332
HK - Hong Kong 320
SE - Svezia 313
DE - Germania 204
FR - Francia 174
FI - Finlandia 146
KR - Corea 105
GB - Regno Unito 89
BD - Bangladesh 52
IN - India 49
TR - Turchia 47
CA - Canada 43
AR - Argentina 34
MX - Messico 30
NL - Olanda 26
PL - Polonia 25
ID - Indonesia 24
ZA - Sudafrica 24
JP - Giappone 23
IQ - Iraq 21
EC - Ecuador 20
BE - Belgio 19
ES - Italia 19
PK - Pakistan 16
CH - Svizzera 15
UZ - Uzbekistan 14
AT - Austria 12
SA - Arabia Saudita 12
CO - Colombia 11
EG - Egitto 9
LB - Libano 9
MA - Marocco 9
TN - Tunisia 8
CL - Cile 7
GR - Grecia 7
BG - Bulgaria 6
JO - Giordania 6
LT - Lituania 6
PE - Perù 6
PY - Paraguay 6
RO - Romania 6
UY - Uruguay 6
VE - Venezuela 6
JM - Giamaica 5
MY - Malesia 5
AE - Emirati Arabi Uniti 4
CZ - Repubblica Ceca 4
DZ - Algeria 3
ET - Etiopia 3
EU - Europa 3
HU - Ungheria 3
IL - Israele 3
KE - Kenya 3
NP - Nepal 3
SK - Slovacchia (Repubblica Slovacca) 3
TH - Thailandia 3
TT - Trinidad e Tobago 3
AZ - Azerbaigian 2
BB - Barbados 2
BO - Bolivia 2
GA - Gabon 2
HR - Croazia 2
KH - Cambogia 2
KW - Kuwait 2
PH - Filippine 2
PT - Portogallo 2
RS - Serbia 2
SC - Seychelles 2
SY - Repubblica araba siriana 2
AL - Albania 1
AM - Armenia 1
AO - Angola 1
BH - Bahrain 1
CR - Costa Rica 1
CY - Cipro 1
DO - Repubblica Dominicana 1
GP - Guadalupe 1
GT - Guatemala 1
KZ - Kazakistan 1
LA - Repubblica Popolare Democratica del Laos 1
LV - Lettonia 1
ML - Mali 1
MM - Myanmar 1
MU - Mauritius 1
NZ - Nuova Zelanda 1
OM - Oman 1
SI - Slovenia 1
SL - Sierra Leone 1
TL - Timor Orientale 1
ZW - Zimbabwe 1
Totale 9.466
Città #
Singapore 749
Chandler 517
Dublin 421
Hong Kong 318
San Jose 287
Jacksonville 277
San Mateo 210
Ashburn 208
Dong Ket 194
Boardman 146
Santa Clara 136
Medford 106
Princeton 106
Moscow 102
Seoul 100
Lauterbourg 95
Perugia 95
Beijing 87
Ann Arbor 85
Wilmington 75
Andover 71
Des Moines 67
Munich 53
Ho Chi Minh City 52
Los Angeles 52
New York 43
Helsinki 41
Altamura 40
The Dalles 40
Saint Petersburg 34
Piscataway 33
São Paulo 33
Hanoi 31
Lawrence 31
Rome 27
Orem 22
Tokyo 22
Izmir 21
Montreal 20
Milan 19
Frankfurt am Main 18
Redmond 18
Brussels 17
Shanghai 17
Woodbridge 16
Johannesburg 15
Ankara 14
Brooklyn 14
Turku 14
Columbus 13
Houston 13
Norwalk 13
Warsaw 13
Belo Horizonte 12
Dearborn 12
Denver 12
London 12
Philadelphia 12
Rio de Janeiro 12
Bologna 11
Chicago 11
Phoenix 11
Auburn Hills 10
San Francisco 10
Chennai 9
Dallas 9
Falkenstein 9
Guayaquil 9
Mexico City 9
Stockholm 9
Amsterdam 8
Boston 8
Manchester 8
Mumbai 8
Tashkent 8
Council Bluffs 7
Brasília 6
Cairo 6
Curitiba 6
Da Nang 6
Fairfield 6
New Delhi 6
Poplar 6
Quito 6
Redwood City 6
Toronto 6
Turin 6
Amman 5
Atlanta 5
Baghdad 5
Bari 5
Biên Hòa 5
Casablanca 5
Changsha 5
Den Haag 5
Frankfurt Am Main 5
Lahore 5
Montevideo 5
Seattle 5
Adelfia 4
Totale 5.617
Nome #
Sintesi in Acqua di 1,2-Amminoli Tramite Azidolisi Regioselettiva di Ossiran 215
alfa-FOSFATO DI ZIRCONIO COME CATALIZZATORE ETEROGENEO NELLA REAZIONE DI DIELS-ALDER, ACIDO DI BRONSTED CATALIZZATA, DI UNA VARIETA' DI IMMINE CON DIENI 206
[2.2]Paraciclofano: Sintesi di nuovi derivatie loro applicazione in Sintesi Asimmetrica 171
γ‑Valerolactone as a Renewable Dipolar Aprotic Solvent Deriving from Biomass Degradation for the Hiyama Reaction 155
Cumarine 3-sostituite, 2-Nitroacrilonitrili ed Azoalcheni nel Ruolo di Eterodieni e/o Dienofili nella Reazione di Diels-Alder in Acqua 144
Alpha-Zirconium Hydrogen Phosphate and Phosphonates as Heterogeneous Bronsted Acid Catalyst for direct Aza-Diels-Alder Reaction in Water 141
Au@zirconium-phosphonate nanoparticles as an effective catalytic system for the chemoselective and switchable reduction of nitroarenes 141
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 140
Chemoselective oxidations in water of functional groups 140
Aza-Diels-Alder reaction of Danishefsky's diene with immines catalyzed by porous α-zirconium hydrogen phosphate and SDS under solvent-free conditions 134
Accessing stable zirconium carboxy-aminophosphonate nanosheets as support for highly active Pd nanoparticles 131
A heterogeneous and recoverable palladium catalyst to access the regioselective C-H alkenylation of quinoline N -oxides 131
Studio della Reattività dell’Anello Epossidico in Mezzo Acquoso 127
Multistep Flow Procedure for the Waste-Minimized Preparation of N-Boc-ß-Amino Ketones 126
Immobilized palladium nanoparticles on potassium zirconium phosphate as an efficient recoverable heterogeneous catalyst for a clean Heck reaction in flow 125
Sintesi Diastereo- ed Enantioselettiva di 1.2-Ossazine N-Ossido in Acqua 121
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 118
Supported L-proline on Zirconium Phosphates Methyl and/or Phenyl Phosphonates as Heterogeneous Organocatalysts for Direct Asymmetric Aldol Addition. 118
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 115
[2.2]Paracyclophane Derived N-Acyloxazol-2(3H)-one as Suitable Planar Chiral Auxiliary for Enantioselective synthesis of beta-Hydroxyacids 112
Immobilized Palladium Nanoparticles on Zirconium Carboxy-Aminophosphonates Nanosheets as an Efficient Recoverable Heterogeneous Catalyst for Suzuki–Miyaura and Heck Coupling 112
Controllo del pH sulla Reattività e sulla Regioselettività della Azidolisi di Epossidi in Mezzo Acquoso 110
Ring Opening of Epoxides with Sodium Azide in Water. A Regioselective pH-Controlled Reaction 109
Acqua, assenza di solvente, acidi di Lewis ed alta pressione a confronto nella sintesi di tetraidro-dibenzo[b,d]piran-6-oni 108
L'acqua efficace mezzo di reazione sostitutivo del solvente organico per processi di ossidazione selettiva 108
L'acqua come Matrice nelle Reazioni Organiche: Sintesi Ecocompatibili di Eterociclici Azotati 107
Polarclean/Water as a Safe and Recoverable Medium for Selective C2-Arylation of Indoles Catalyzed by Pd/C 105
Prima Sintesi di un Ossazolidinone a chiralità Planare e sua Applicazione come Ausiliare Chirale 104
Sustainable Protocol for the Reduction of Nitroarenes by Heterogeneous Au@SBA-15 with NaBH4 under Flow Conditions 104
Definition of green synthetic tools based on safer reaction media, heterogeneous catalysis, and flow technology 103
Synthesis and Reactivity of Pyronoids in Aqueous Medium 102
Uncatalyzed and solvent-free multicomponent process for the synthesis of biphenyl-2-carbonitrile derivatives 102
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 102
(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 100
Sintesi e Configurazione Assoluta di [2.2]Paraciclofani Monosostituiti Omochirali 100
A stereoselective organic base-catalyzed protocol for hydroamination of alkynes under solvent-free conditions 100
Efficient catalytic upgrading of levulinic acid into alkyl levulinates by resin-supported acids and flow reactors 99
Polarclean as a Sustainable Reaction Medium for the Waste Minimized Synthesis of Heterocyclic Compounds 99
PREPARAZIONE, CARATTERIZZAZIONE ED UTILIZZO IN CATALISI ASIMMETRICA ETEROGENEA DELL'alfa-FOSFATO DI ZIRCONIO FUNZIONALIZZATO CON PROLINA 98
Direct Aza Diels-Alder Reaction in Water Catalyzed by Layered α-Zirconium Hydrogen Phosphate and SDS 98
[4+2] Cycloaddition of Nitroalkenes in Water. Highly Asymmetric Synthesis of Functionalized Nitronates 97
The aldol-type condensation of lithium, boron and titanium enolates of isocaranyl acetates with benzaldehyde. The metal and chiral auxiliary effects 97
Chiral [2.2]Paracyclophane Derivates as Suitable Ligands of Metal Catalysts for Stereoselective Synthesis 96
Hygh-Pressure Diels-Alder Cycloaddition between Benzylideneacetones and 1,3-Butadienes: Application to the Synthesis of (R,R)-(-)- and (S,S)-(+)-Δ8-Tetrahydrocannabinol 96
Chiral Borane of Layered alfa-Zirconium-N-(m-Solfofenyl)-L-Valine-Phosphonate Methanphosphonate Promoters for the Asymmetric Mukaiyama Aldxol Reaction 95
Usi innovativi dell'acqua come mezzo di reazione di processi organici 95
New alpha-Zirconium Hydrogen Phosphates with high surface area as heterogeneous catalyst for Direct Aza-Diels-Alder. 94
Alkenes: Synthesis by Pericyclic Reactions. 94
Base-catalyzed aldol- and Michael-type condensations in aqueous medium 94
Environmentally-Friendly Synthesis and Reactions of alpha,beta-Unsaturated Nitroalkenes 93
A waste-minimized protocol for copper-catalyzed Ullmann-type reaction in a biomass derived furfuryl alcohol/water azeotrope 91
Zirconium potassium phosphate methyl and/or phenyl phosphonates as heterogeneous catalysts for Knoevenagel condensation under solvent free conditions 90
Nucleophilic Ring Openin of 1,2-Epoxides in Aqueous Medium 90
High Pressure Diels-Alder Approach to Hydroxy-Substituted 6a-cyano-tetrahydro-6H-benzo[c]chromen-6-ones: A Route to Delta6-Cis-Cannabidiol 89
Asymmetric Aldol Reaction Using Zirconium Phosphonate Supported L-Proline 87
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 81
Cyanation of Enones on polystyrene-Supported Ammonium Fluoride 81
Synthesis of β-Cyano Ketones Promoted by a Heterogeneous Fluoride Catalyst 79
Polymer-Supported Bis-1,2,4-triazolium Ionic Tag Framework for an Efficient Pd(0) Catalytic System in Biomass Derived γ-Valerolactone 78
Water, a clean, inexpensive, and re-usable reaction medium. One-pot synthesis of (E)-2-aryl-1-cyano-1-nitroethenes 77
Low-polluting chemical processes - aldol and allylation reactions in water 77
Prima Sintesi di un Ossazolidinone a Chiralità Planare e sua Applicazione come Ausiliare Chirale 77
Copper(II) triflate-sodium dodecyl sulfate catalyzed preparation of 1,2-diphenyl-2,3-dihydro-4-pyridones in aqueous acidic medium 76
L-PROLINA SUPPORTATA SU FOSFATI DI Zr: PREPARAZIONE E LORO APPLICAZIONE COME CATALIZZATORI IN SINTESI ASIMMETRICA IN FASE ETEROGENEA 75
High Pressure Diels-Alder Reaction of benzilidene acetone derivatives. A new route to delta-8-Tetrahydrocannabinol 75
Waste Minimized Multistep Preparation in Flow of β-Amino Acids Starting from α,β-Unsaturated Carboxylic Acids 75
Green Reaction Media for Cross-Coupling Reactions: A Recent Overview and Possible Directions 75
Chiral borane of layered α-Zirconium-N-(m-solfophenyl)-L-Valine-Phosphonate Methanphosphonate promoters for the asymmetric Mukaiyama Aldol reaction 74
Simple and efficient one-pot preparation of 3-substituted coumarins in water 74
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. 73
Inverse-Electron-Demand Diels-Alder Reactions of (E)-3-diazenylbut-2-enes in Water 73
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 73
Reazioni di Diels-Alder ad alta pressione di 3-cianocumarine: sintesi di cannabinoidi, 72
Synthesis of Zirconium Phosphonate Supported L-Proline as an Effective Organocatalyst for Direct Asymmetric Aldol Addition 72
Metal Nanoparticles as Sustainable Tools for C–N Bond Formation via C–H Activation 72
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 70
Higly diastereoselective epoxidation of cycloalkenols with monoperoxyphthalic acid in water 70
Enantio- and diastereoselective aldol-addition of chiral boron enolates of carboxylic acids to benzaldehyde 68
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 68
Synthesis of Chiral (R)-4-Hydroxy- and (R)-4-Hologeno[2.2]paracyclo-phanes and Group-Polarizability-Optical Rotation Relationship. 67
Preparazione di α-Zirconio-N-(m-solfofenil)-L-Valina-Fosfonato Metanfosfonato Lamellare e suo Utilizzo nella Catalisi della Reazione di Addizione Asimmetrica di Mukaiyama 65
Recent Applications of Solid-Supported Ammonium Fluorides in Organic Synthesis 64
Recent Advances in Lewis-Acid Catalyzed Diels-Alder Reactions in Aqueous Media 62
Organic synthesis in unconventional reation media 62
Strategies to Immobilized Catalysts: A Key Tool for Modern Chemistry 62
Hetero Diels-Alder reactions in aqueous medium 61
Pericyclic Reactions in Aqueous Media 60
Water as Reaction Medium in the Synthetic Processes Involving Epoxides 60
Enantioselectivity of Aldol-Type Condensation of Chiral Boron and Titanium Acetate Enolates with Benzaldehyde 59
Synthesis and Far-UV Circular Dichroism Spectra Analysed by Coupled Oscillator Calculations of Some New 4-Substituted [2.2]Paracyclophanes 59
Epoxidation of olefins in aqueous medium 59
One-Pot Synthesis in Water of 7-Hydroxy-3-Carboxycoumarin 58
One-Pot Synthesis of 3-Carboxycoumarins via Consecutive Knoevenogel-Pinner Reactions in Water 58
Pericyclic Rearrangement: Sigmatropic, Electrocyclic, and Ene Reaction 57
Synthesis and characterization of carnitine nitro-derivatives. 56
Synthesis of chiral (R)-4-hydroxy- and (R)-4-Halogeno[2.2]paracyclophanes and group polarizability - optically rotation relationship 56
Colchicine derivatives, process for preparation thereof and related uses in medical field 55
Enantioselettive synthesis of b-hydroxy acids via chiral enolates of carboxylic acids and esters 55
Indium Salts-Promoted Organic Reactions 54
Derivati Chirali del [2.2]Paraciclofano quali Ausiliari Chirali e Ligandi di Metalli di Transizione per Sintesi Stereoselettive 54
Totale 9.307
Categoria #
all - tutte 42.408
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 42.408


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/2022781 0 153 17 54 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
2026/2027135 72 63 0 0 0 0 0 0 0 0 0 0
Totale 9.754