PIERMATTI, Oriana
 Distribuzione geografica
Continente #
NA - Nord America 3.519
EU - Europa 2.769
AS - Asia 2.503
SA - Sud America 461
AF - Africa 66
Continente sconosciuto - Info sul continente non disponibili 3
OC - Oceania 1
Totale 9.322
Nazione #
US - Stati Uniti d'America 3.446
SG - Singapore 1.105
UA - Ucraina 501
IT - Italia 440
IE - Irlanda 421
BR - Brasile 365
VN - Vietnam 339
RU - Federazione Russa 332
CN - Cina 328
HK - Hong Kong 318
SE - Svezia 313
DE - Germania 204
FR - Francia 170
FI - Finlandia 146
KR - Corea 105
GB - Regno Unito 89
BD - Bangladesh 51
IN - India 49
TR - Turchia 47
AR - Argentina 34
CA - Canada 34
MX - Messico 30
NL - Olanda 25
ID - Indonesia 24
PL - Polonia 24
JP - Giappone 23
ZA - Sudafrica 23
IQ - Iraq 21
EC - Ecuador 19
BE - Belgio 18
ES - Italia 18
PK - Pakistan 16
CH - Svizzera 15
UZ - Uzbekistan 14
AT - Austria 12
SA - Arabia Saudita 12
CO - Colombia 10
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
UY - Uruguay 6
VE - Venezuela 6
MY - Malesia 5
RO - Romania 5
AE - Emirati Arabi Uniti 4
CZ - Repubblica Ceca 4
JM - Giamaica 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
AZ - Azerbaigian 2
BB - Barbados 2
BO - Bolivia 2
GA - Gabon 2
KH - Cambogia 2
KW - Kuwait 2
PH - Filippine 2
PT - Portogallo 2
RS - Serbia 2
SY - Repubblica araba siriana 2
TT - Trinidad e Tobago 2
AL - Albania 1
AM - Armenia 1
AO - Angola 1
BH - Bahrain 1
CY - Cipro 1
GP - Guadalupe 1
HR - Croazia 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
SC - Seychelles 1
SL - Sierra Leone 1
TL - Timor Orientale 1
ZW - Zimbabwe 1
Totale 9.322
Città #
Singapore 747
Chandler 517
Dublin 421
Hong Kong 317
San Jose 284
Jacksonville 276
San Mateo 210
Ashburn 206
Dong Ket 194
Boardman 146
Santa Clara 126
Medford 106
Princeton 106
Moscow 102
Seoul 100
Lauterbourg 95
Perugia 95
Ann Arbor 85
Beijing 82
Wilmington 75
Andover 71
Des Moines 67
Munich 53
Ho Chi Minh City 52
Los Angeles 49
Helsinki 41
Altamura 40
The Dalles 40
New York 39
Saint Petersburg 34
São Paulo 32
Hanoi 31
Lawrence 31
Piscataway 30
Rome 26
Orem 22
Tokyo 22
Izmir 21
Frankfurt am Main 18
Redmond 18
Brussels 17
Milan 17
Shanghai 17
Montreal 16
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
Rio de Janeiro 12
Chicago 11
London 11
Auburn Hills 10
Bologna 10
Philadelphia 10
Chennai 9
Dallas 9
Falkenstein 9
Mexico City 9
San Francisco 9
Stockholm 9
Amsterdam 8
Boston 8
Guayaquil 8
Manchester 8
Mumbai 8
Phoenix 8
Tashkent 8
Council Bluffs 7
Brasília 6
Cairo 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
Curitiba 5
Den Haag 5
Frankfurt Am Main 5
Lahore 5
Montevideo 5
Seattle 5
Adelfia 4
Totale 5.565
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 202
[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 152
Cumarine 3-sostituite, 2-Nitroacrilonitrili ed Azoalcheni nel Ruolo di Eterodieni e/o Dienofili nella Reazione di Diels-Alder in Acqua 142
Chemoselective oxidations in water of functional groups 140
Alpha-Zirconium Hydrogen Phosphate and Phosphonates as Heterogeneous Bronsted Acid Catalyst for direct Aza-Diels-Alder Reaction in Water 138
Au@zirconium-phosphonate nanoparticles as an effective catalytic system for the chemoselective and switchable reduction of nitroarenes 138
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 136
Accessing stable zirconium carboxy-aminophosphonate nanosheets as support for highly active Pd nanoparticles 131
Aza-Diels-Alder reaction of Danishefsky's diene with immines catalyzed by porous α-zirconium hydrogen phosphate and SDS under solvent-free conditions 130
A heterogeneous and recoverable palladium catalyst to access the regioselective C-H alkenylation of quinoline N -oxides 127
Studio della Reattività dell’Anello Epossidico in Mezzo Acquoso 126
Immobilized palladium nanoparticles on potassium zirconium phosphate as an efficient recoverable heterogeneous catalyst for a clean Heck reaction in flow 124
Multistep Flow Procedure for the Waste-Minimized Preparation of N-Boc-ß-Amino Ketones 122
Sintesi Diastereo- ed Enantioselettiva di 1.2-Ossazine N-Ossido in Acqua 119
Supported L-proline on Zirconium Phosphates Methyl and/or Phenyl Phosphonates as Heterogeneous Organocatalysts for Direct Asymmetric Aldol Addition. 118
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 117
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 114
[2.2]Paracyclophane Derived N-Acyloxazol-2(3H)-one as Suitable Planar Chiral Auxiliary for Enantioselective synthesis of beta-Hydroxyacids 111
Ring Opening of Epoxides with Sodium Azide in Water. A Regioselective pH-Controlled Reaction 109
Controllo del pH sulla Reattività e sulla Regioselettività della Azidolisi di Epossidi in Mezzo Acquoso 109
Immobilized Palladium Nanoparticles on Zirconium Carboxy-Aminophosphonates Nanosheets as an Efficient Recoverable Heterogeneous Catalyst for Suzuki–Miyaura and Heck Coupling 108
L'acqua efficace mezzo di reazione sostitutivo del solvente organico per processi di ossidazione selettiva 107
L'acqua come Matrice nelle Reazioni Organiche: Sintesi Ecocompatibili di Eterociclici Azotati 106
Polarclean/Water as a Safe and Recoverable Medium for Selective C2-Arylation of Indoles Catalyzed by Pd/C 105
Acqua, assenza di solvente, acidi di Lewis ed alta pressione a confronto nella sintesi di tetraidro-dibenzo[b,d]piran-6-oni 104
Sustainable Protocol for the Reduction of Nitroarenes by Heterogeneous Au@SBA-15 with NaBH4 under Flow Conditions 103
Synthesis and Reactivity of Pyronoids in Aqueous Medium 102
Uncatalyzed and solvent-free multicomponent process for the synthesis of biphenyl-2-carbonitrile derivatives 101
Definition of green synthetic tools based on safer reaction media, heterogeneous catalysis, and flow technology 100
Prima Sintesi di un Ossazolidinone a chiralità Planare e sua Applicazione come Ausiliare Chirale 99
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 99
Sintesi e Configurazione Assoluta di [2.2]Paraciclofani Monosostituiti Omochirali 99
Efficient catalytic upgrading of levulinic acid into alkyl levulinates by resin-supported acids and flow reactors 98
A stereoselective organic base-catalyzed protocol for hydroamination of alkynes under solvent-free conditions 98
Polarclean as a Sustainable Reaction Medium for the Waste Minimized Synthesis of Heterocyclic Compounds 98
PREPARAZIONE, CARATTERIZZAZIONE ED UTILIZZO IN CATALISI ASIMMETRICA ETEROGENEA DELL'alfa-FOSFATO DI ZIRCONIO FUNZIONALIZZATO CON PROLINA 97
(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 97
[4+2] Cycloaddition of Nitroalkenes in Water. Highly Asymmetric Synthesis of Functionalized Nitronates 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 [2.2]Paracyclophane Derivates as Suitable Ligands of Metal Catalysts for Stereoselective Synthesis 95
The aldol-type condensation of lithium, boron and titanium enolates of isocaranyl acetates with benzaldehyde. The metal and chiral auxiliary effects 95
Direct Aza Diels-Alder Reaction in Water Catalyzed by Layered α-Zirconium Hydrogen Phosphate and SDS 95
New alpha-Zirconium Hydrogen Phosphates with high surface area as heterogeneous catalyst for Direct Aza-Diels-Alder. 94
Usi innovativi dell'acqua come mezzo di reazione di processi organici 94
Chiral Borane of Layered alfa-Zirconium-N-(m-Solfofenyl)-L-Valine-Phosphonate Methanphosphonate Promoters for the Asymmetric Mukaiyama Aldxol Reaction 93
Alkenes: Synthesis by Pericyclic Reactions. 92
Environmentally-Friendly Synthesis and Reactions of alpha,beta-Unsaturated Nitroalkenes 92
Base-catalyzed aldol- and Michael-type condensations in aqueous medium 92
A waste-minimized protocol for copper-catalyzed Ullmann-type reaction in a biomass derived furfuryl alcohol/water azeotrope 89
Zirconium potassium phosphate methyl and/or phenyl phosphonates as heterogeneous catalysts for Knoevenagel condensation under solvent free conditions 88
Nucleophilic Ring Openin of 1,2-Epoxides in Aqueous Medium 87
Asymmetric Aldol Reaction Using Zirconium Phosphonate Supported L-Proline 86
High Pressure Diels-Alder Approach to Hydroxy-Substituted 6a-cyano-tetrahydro-6H-benzo[c]chromen-6-ones: A Route to Delta6-Cis-Cannabidiol 84
Cyanation of Enones on polystyrene-Supported Ammonium Fluoride 80
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 78
Synthesis of β-Cyano Ketones Promoted by a Heterogeneous Fluoride Catalyst 78
Prima Sintesi di un Ossazolidinone a Chiralità Planare e sua Applicazione come Ausiliare Chirale 77
Water, a clean, inexpensive, and re-usable reaction medium. One-pot synthesis of (E)-2-aryl-1-cyano-1-nitroethenes 76
Low-polluting chemical processes - aldol and allylation reactions in water 76
Polymer-Supported Bis-1,2,4-triazolium Ionic Tag Framework for an Efficient Pd(0) Catalytic System in Biomass Derived γ-Valerolactone 76
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
L-PROLINA SUPPORTATA SU FOSFATI DI Zr: PREPARAZIONE E LORO APPLICAZIONE COME CATALIZZATORI IN SINTESI ASIMMETRICA IN FASE ETEROGENEA 74
Chiral borane of layered α-Zirconium-N-(m-solfophenyl)-L-Valine-Phosphonate Methanphosphonate promoters for the asymmetric Mukaiyama Aldol reaction 73
Inverse-Electron-Demand Diels-Alder Reactions of (E)-3-diazenylbut-2-enes in Water 73
Simple and efficient one-pot preparation of 3-substituted coumarins in water 73
Copper(II) triflate-sodium dodecyl sulfate catalyzed preparation of 1,2-diphenyl-2,3-dihydro-4-pyridones in aqueous acidic medium 73
Green Reaction Media for Cross-Coupling Reactions: A Recent Overview and Possible Directions 73
Reazioni di Diels-Alder ad alta pressione di 3-cianocumarine: sintesi di cannabinoidi, 72
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 72
Metal Nanoparticles as Sustainable Tools for C–N Bond Formation via C–H Activation 71
Higly diastereoselective epoxidation of cycloalkenols with monoperoxyphthalic acid in water 70
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. 69
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 69
Synthesis of Zirconium Phosphonate Supported L-Proline as an Effective Organocatalyst for Direct Asymmetric Aldol Addition 69
Enantio- and diastereoselective aldol-addition of chiral boron enolates of carboxylic acids to benzaldehyde 67
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 66
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
Synthesis of Chiral (R)-4-Hydroxy- and (R)-4-Hologeno[2.2]paracyclo-phanes and Group-Polarizability-Optical Rotation Relationship. 65
Organic synthesis in unconventional reation media 62
Recent Applications of Solid-Supported Ammonium Fluorides in Organic Synthesis 62
Recent Advances in Lewis-Acid Catalyzed Diels-Alder Reactions in Aqueous Media 61
Hetero Diels-Alder reactions in aqueous medium 61
Strategies to Immobilized Catalysts: A Key Tool for Modern Chemistry 61
Water as Reaction Medium in the Synthetic Processes Involving Epoxides 60
Pericyclic Reactions in Aqueous Media 59
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 57
Pericyclic Rearrangement: Sigmatropic, Electrocyclic, and Ene Reaction 57
One-Pot Synthesis of 3-Carboxycoumarins via Consecutive Knoevenogel-Pinner Reactions in Water 57
Synthesis and characterization of carnitine nitro-derivatives. 56
Colchicine derivatives, process for preparation thereof and related uses in medical field 55
Synthesis of chiral (R)-4-hydroxy- and (R)-4-Halogeno[2.2]paracyclophanes and group polarizability - optically rotation relationship 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 53
Totale 9.167
Categoria #
all - tutte 40.610
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 40.610


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021210 0 0 0 0 0 0 0 0 0 0 0 210
2021/2022804 23 153 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
2025/20263.011 220 190 158 483 391 248 472 158 310 247 77 57
Totale 9.610