PIERMATTI, Oriana
 Distribuzione geografica
Continente #
NA - Nord America 3.407
EU - Europa 2.756
AS - Asia 2.472
SA - Sud America 461
AF - Africa 66
Continente sconosciuto - Info sul continente non disponibili 3
OC - Oceania 1
Totale 9.166
Nazione #
US - Stati Uniti d'America 3.343
SG - Singapore 1.102
UA - Ucraina 501
IT - Italia 428
IE - Irlanda 421
BR - Brasile 365
VN - Vietnam 339
RU - Federazione Russa 332
CN - Cina 323
HK - Hong Kong 318
SE - Svezia 313
DE - Germania 204
FR - Francia 170
FI - Finlandia 146
KR - Corea 105
GB - Regno Unito 89
IN - India 49
TR - Turchia 47
AR - Argentina 34
CA - Canada 33
BD - Bangladesh 28
MX - Messico 26
ID - Indonesia 24
NL - Olanda 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
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
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
BB - Barbados 1
BH - Bahrain 1
CY - Cipro 1
GP - Guadalupe 1
HR - Croazia 1
JM - Giamaica 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 9.166
Città #
Singapore 745
Chandler 517
Dublin 421
Hong Kong 317
Jacksonville 276
San Jose 248
San Mateo 210
Dong Ket 194
Ashburn 193
Boardman 146
Santa Clara 126
Medford 106
Princeton 106
Moscow 102
Seoul 100
Lauterbourg 95
Perugia 95
Ann Arbor 85
Beijing 81
Wilmington 75
Andover 71
Des Moines 67
Munich 53
Ho Chi Minh City 52
Los Angeles 45
Helsinki 41
Altamura 40
The Dalles 40
New York 36
Saint Petersburg 34
São Paulo 32
Hanoi 31
Lawrence 31
Piscataway 30
Rome 25
Tokyo 22
Izmir 21
Orem 21
Frankfurt am Main 18
Redmond 18
Brussels 17
Shanghai 17
Woodbridge 16
Johannesburg 15
Milan 15
Montreal 15
Ankara 14
Brooklyn 14
Turku 14
Houston 13
Norwalk 13
Warsaw 13
Belo Horizonte 12
Columbus 12
Dearborn 12
Denver 12
Rio de Janeiro 12
London 11
Auburn Hills 10
Bologna 10
Philadelphia 10
Chennai 9
Falkenstein 9
San Francisco 9
Stockholm 9
Boston 8
Chicago 8
Guayaquil 8
Manchester 8
Mexico City 8
Mumbai 8
Phoenix 8
Tashkent 8
Amsterdam 7
Council Bluffs 7
Brasília 6
Cairo 6
Da Nang 6
Dallas 6
Fairfield 6
New Delhi 6
Poplar 6
Quito 6
Redwood City 6
Toronto 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
Turin 5
Adelfia 4
Totale 5.491
Nome #
Sintesi in Acqua di 1,2-Amminoli Tramite Azidolisi Regioselettiva di Ossiran 215
[2.2]Paraciclofano: Sintesi di nuovi derivatie loro applicazione in Sintesi Asimmetrica 171
alfa-FOSFATO DI ZIRCONIO COME CATALIZZATORE ETEROGENEO NELLA REAZIONE DI DIELS-ALDER, ACIDO DI BRONSTED CATALIZZATA, DI UNA VARIETA' DI IMMINE CON DIENI 157
γ‑Valerolactone as a Renewable Dipolar Aprotic Solvent Deriving from Biomass Degradation for the Hiyama Reaction 150
Chemoselective oxidations in water of functional groups 140
Cumarine 3-sostituite, 2-Nitroacrilonitrili ed Azoalcheni nel Ruolo di Eterodieni e/o Dienofili nella Reazione di Diels-Alder in Acqua 138
Au@zirconium-phosphonate nanoparticles as an effective catalytic system for the chemoselective and switchable reduction of nitroarenes 137
Alpha-Zirconium Hydrogen Phosphate and Phosphonates as Heterogeneous Bronsted Acid Catalyst for direct Aza-Diels-Alder Reaction in Water 135
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 135
Aza-Diels-Alder reaction of Danishefsky's diene with immines catalyzed by porous α-zirconium hydrogen phosphate and SDS under solvent-free conditions 129
Accessing stable zirconium carboxy-aminophosphonate nanosheets as support for highly active Pd nanoparticles 128
A heterogeneous and recoverable palladium catalyst to access the regioselective C-H alkenylation of quinoline N -oxides 125
Studio della Reattività dell’Anello Epossidico in Mezzo Acquoso 124
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 116
Supported L-proline on Zirconium Phosphates Methyl and/or Phenyl Phosphonates as Heterogeneous Organocatalysts for Direct Asymmetric Aldol Addition. 115
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 114
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 113
[2.2]Paracyclophane Derived N-Acyloxazol-2(3H)-one as Suitable Planar Chiral Auxiliary for Enantioselective synthesis of beta-Hydroxyacids 110
Controllo del pH sulla Reattività e sulla Regioselettività della Azidolisi di Epossidi in Mezzo Acquoso 109
Ring Opening of Epoxides with Sodium Azide in Water. A Regioselective pH-Controlled Reaction 108
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
Sustainable Protocol for the Reduction of Nitroarenes by Heterogeneous Au@SBA-15 with NaBH4 under Flow Conditions 103
Polarclean/Water as a Safe and Recoverable Medium for Selective C2-Arylation of Indoles Catalyzed by Pd/C 103
Acqua, assenza di solvente, acidi di Lewis ed alta pressione a confronto nella sintesi di tetraidro-dibenzo[b,d]piran-6-oni 102
Synthesis and Reactivity of Pyronoids in Aqueous Medium 100
Uncatalyzed and solvent-free multicomponent process for the synthesis of biphenyl-2-carbonitrile derivatives 100
Definition of green synthetic tools based on safer reaction media, heterogeneous catalysis, and flow technology 100
Sintesi e Configurazione Assoluta di [2.2]Paraciclofani Monosostituiti Omochirali 98
PREPARAZIONE, CARATTERIZZAZIONE ED UTILIZZO IN CATALISI ASIMMETRICA ETEROGENEA DELL'alfa-FOSFATO DI ZIRCONIO FUNZIONALIZZATO CON PROLINA 97
Efficient catalytic upgrading of levulinic acid into alkyl levulinates by resin-supported acids and flow reactors 97
A stereoselective organic base-catalyzed protocol for hydroamination of alkynes under solvent-free conditions 97
Chiral [2.2]Paracyclophane Derivates as Suitable Ligands of Metal Catalysts for Stereoselective Synthesis 95
Prima Sintesi di un Ossazolidinone a chiralità Planare e sua Applicazione come Ausiliare Chirale 95
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 95
Hygh-Pressure Diels-Alder Cycloaddition between Benzylideneacetones and 1,3-Butadienes: Application to the Synthesis of (R,R)-(-)- and (S,S)-(+)-Δ8-Tetrahydrocannabinol 95
The aldol-type condensation of lithium, boron and titanium enolates of isocaranyl acetates with benzaldehyde. The metal and chiral auxiliary effects 95
(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 95
Polarclean as a Sustainable Reaction Medium for the Waste Minimized Synthesis of Heterocyclic Compounds 95
New alpha-Zirconium Hydrogen Phosphates with high surface area as heterogeneous catalyst for Direct Aza-Diels-Alder. 94
[4+2] Cycloaddition of Nitroalkenes in Water. Highly Asymmetric Synthesis of Functionalized Nitronates 94
Chiral Borane of Layered alfa-Zirconium-N-(m-Solfofenyl)-L-Valine-Phosphonate Methanphosphonate Promoters for the Asymmetric Mukaiyama Aldxol Reaction 93
Direct Aza Diels-Alder Reaction in Water Catalyzed by Layered α-Zirconium Hydrogen Phosphate and SDS 93
Alkenes: Synthesis by Pericyclic Reactions. 91
Base-catalyzed aldol- and Michael-type condensations in aqueous medium 91
Usi innovativi dell'acqua come mezzo di reazione di processi organici 91
Environmentally-Friendly Synthesis and Reactions of alpha,beta-Unsaturated Nitroalkenes 89
A waste-minimized protocol for copper-catalyzed Ullmann-type reaction in a biomass derived furfuryl alcohol/water azeotrope 88
Zirconium potassium phosphate methyl and/or phenyl phosphonates as heterogeneous catalysts for Knoevenagel condensation under solvent free conditions 87
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 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]paracyclopane 77
Synthesis of β-Cyano Ketones Promoted by a Heterogeneous Fluoride Catalyst 77
Prima Sintesi di un Ossazolidinone a Chiralità Planare e sua Applicazione come Ausiliare Chirale 76
Polymer-Supported Bis-1,2,4-triazolium Ionic Tag Framework for an Efficient Pd(0) Catalytic System in Biomass Derived γ-Valerolactone 76
Water, a clean, inexpensive, and re-usable reaction medium. One-pot synthesis of (E)-2-aryl-1-cyano-1-nitroethenes 75
Low-polluting chemical processes - aldol and allylation reactions in water 75
Waste Minimized Multistep Preparation in Flow of β-Amino Acids Starting from α,β-Unsaturated Carboxylic Acids 75
High Pressure Diels-Alder Reaction of benzilidene acetone derivatives. A new route to delta-8-Tetrahydrocannabinol 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 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
L-PROLINA SUPPORTATA SU FOSFATI DI Zr: PREPARAZIONE E LORO APPLICAZIONE COME CATALIZZATORI IN SINTESI ASIMMETRICA IN FASE ETEROGENEA 71
Reazioni di Diels-Alder ad alta pressione di 3-cianocumarine: sintesi di cannabinoidi, 71
Green Reaction Media for Cross-Coupling Reactions: A Recent Overview and Possible Directions 71
Higly diastereoselective epoxidation of cycloalkenols with monoperoxyphthalic acid in water 70
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
Metal Nanoparticles as Sustainable Tools for C–N Bond Formation via C–H Activation 69
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. 68
Enantio- and diastereoselective aldol-addition of chiral boron enolates of carboxylic acids to benzaldehyde 66
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
Hetero Diels-Alder reactions in aqueous medium 61
Strategies to Immobilized Catalysts: A Key Tool for Modern Chemistry 61
Recent Advances in Lewis-Acid Catalyzed Diels-Alder Reactions in Aqueous Media 60
Pericyclic Reactions in Aqueous Media 59
Synthesis and Far-UV Circular Dichroism Spectra Analysed by Coupled Oscillator Calculations of Some New 4-Substituted [2.2]Paracyclophanes 59
Water as Reaction Medium in the Synthetic Processes Involving Epoxides 59
Epoxidation of olefins in aqueous medium 58
Recent Applications of Solid-Supported Ammonium Fluorides in Organic Synthesis 58
One-Pot Synthesis in Water of 7-Hydroxy-3-Carboxycoumarin 57
Enantioselectivity of Aldol-Type Condensation of Chiral Boron and Titanium Acetate Enolates with Benzaldehyde 57
Pericyclic Rearrangement: Sigmatropic, Electrocyclic, and Ene Reaction 57
One-Pot Synthesis of 3-Carboxycoumarins via Consecutive Knoevenogel-Pinner Reactions in Water 57
Colchicine derivatives, process for preparation thereof and related uses in medical field 55
Synthesis and characterization of carnitine nitro-derivatives. 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
Circular Dichroism Spectra (350-180 nm) of a New Series of 4-Substituted [2.2]Paracyclophanes: a Quantitative Analysis within the DeVoe Polarizability Model. 53
Waste minimized one-pot synthesis of azido- or triazole-pyrazolines using polarclean as reaction medium 52
Totale 9.023
Categoria #
all - tutte 38.621
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 38.621


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021337 0 0 0 0 0 0 0 0 0 40 87 210
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
2025/20262.855 220 190 158 483 391 248 472 158 310 225 0 0
Totale 9.454