IRIS
AZZENA, Ugo Gavino
 Distribuzione geografica
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Continente #
NA - Nord America 25.605
AS - Asia 3.365
EU - Europa 1.860
SA - Sud America 1.713
AF - Africa 135
Continente sconosciuto - Info sul continente non disponibili 12
OC - Oceania 6
Totale 32.696
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Nazione #
US - Stati Uniti d'America 25.511
BR - Brasile 1.537
SG - Singapore 1.260
CN - Cina 1.098
UA - Ucraina 620
HK - Hong Kong 287
DE - Germania 285
VN - Vietnam 217
IT - Italia 194
SE - Svezia 176
FI - Finlandia 132
FR - Francia 117
TR - Turchia 108
GB - Regno Unito 106
IN - India 62
AR - Argentina 59
BD - Bangladesh 51
IQ - Iraq 46
ZA - Sudafrica 42
RU - Federazione Russa 41
CZ - Repubblica Ceca 35
MX - Messico 35
CA - Canada 32
JP - Giappone 31
UZ - Uzbekistan 30
EC - Ecuador 29
PK - Pakistan 24
KE - Kenya 21
MA - Marocco 21
BE - Belgio 19
ES - Italia 19
NL - Olanda 19
PL - Polonia 18
VE - Venezuela 18
CO - Colombia 16
ID - Indonesia 15
PY - Paraguay 15
KR - Corea 14
NP - Nepal 14
TN - Tunisia 14
AZ - Azerbaigian 12
JO - Giordania 12
SA - Arabia Saudita 12
UY - Uruguay 12
DZ - Algeria 11
RO - Romania 11
CL - Cile 10
IR - Iran 10
SN - Senegal 10
IE - Irlanda 9
BO - Bolivia 8
IL - Israele 8
LB - Libano 8
EG - Egitto 7
EU - Europa 7
MD - Moldavia 7
PE - Perù 7
PH - Filippine 7
AT - Austria 6
LT - Lituania 6
AE - Emirati Arabi Uniti 5
AU - Australia 5
BG - Bulgaria 5
AL - Albania 4
CH - Svizzera 4
CR - Costa Rica 4
DO - Repubblica Dominicana 4
JM - Giamaica 4
OM - Oman 4
RS - Serbia 4
A2 - ???statistics.table.value.countryCode.A2??? 3
BY - Bielorussia 3
HN - Honduras 3
HR - Croazia 3
HU - Ungheria 3
KG - Kirghizistan 3
KZ - Kazakistan 3
MY - Malesia 3
NI - Nicaragua 3
PA - Panama 3
PT - Portogallo 3
QA - Qatar 3
SY - Repubblica araba siriana 3
DK - Danimarca 2
GR - Grecia 2
GT - Guatemala 2
GY - Guiana 2
KH - Cambogia 2
KW - Kuwait 2
LA - Repubblica Popolare Democratica del Laos 2
MK - Macedonia 2
PS - Palestinian Territory 2
RE - Reunion 2
TH - Thailandia 2
TT - Trinidad e Tobago 2
XK - ???statistics.table.value.countryCode.XK??? 2
AM - Armenia 1
BB - Barbados 1
BS - Bahamas 1
CD - Congo 1
Totale 32.680
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Città #
Dallas 21.989
Singapore 686
Chandler 617
San Jose 413
Jacksonville 376
Hong Kong 275
Ashburn 260
Princeton 216
Nanjing 187
Beijing 161
São Paulo 125
Dearborn 118
Lauterbourg 97
Wilmington 92
Ann Arbor 77
Nanchang 75
Sassari 73
New York 70
Shanghai 70
Ho Chi Minh City 68
Boardman 64
Hanoi 61
Los Angeles 57
Izmir 55
Santa Clara 53
Woodbridge 52
Rio de Janeiro 49
Changsha 46
Tianjin 45
Hebei 41
Munich 40
Shenyang 39
Brasília 35
Belo Horizonte 33
Zhengzhou 32
Tashkent 29
Jinan 28
Ningbo 25
Ribeirão Preto 25
Jiaxing 24
Johannesburg 24
Porto Alegre 24
Baghdad 23
Council Bluffs 23
Curitiba 23
Andover 22
Buffalo 22
Helsinki 22
Chicago 21
Orem 21
Taizhou 21
Tokyo 21
Guangzhou 20
Hangzhou 20
Kunming 20
London 19
San Francisco 19
Brussels 17
Olomouc 17
Brno 16
Campinas 16
Nairobi 16
Salvador 16
Warsaw 16
Brooklyn 15
San Mateo 15
Amsterdam 14
Chennai 14
Montreal 14
Atlanta 13
Da Nang 13
Frankfurt am Main 13
Guarulhos 13
Mountain View 13
Mumbai 13
Phoenix 13
The Dalles 13
Ankara 12
Augusta 12
Boston 12
Denver 12
Guayaquil 12
Seoul 12
West Jordan 12
Amman 11
Baku 11
Buenos Aires 11
Fortaleza 11
Istanbul 11
Santo André 11
Stockholm 11
Volta Redonda 11
Carapicuíba 10
Caxias do Sul 10
Manaus 10
Osasco 10
Toronto 10
Contagem 9
Dakar 9
Dublin 9
Totale 27.782
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Nome #
1,2-Bis(phenylsulphonyl)alkenes as Versatile Groups in Organic Synthesis 10.462
1,2-Diaryl-1,2-disodioethanes: Versatile, Highly Reactive, and Tunable Synthetic Equivalents of Sodium Metal 10.343
Active-alkali metal-promoted reductive cleavage of chlorinated phenol 198
Ammonium salts catalyzed acetalization reactions in green ethereal solvents 189
A New and Highly Effective Organometallic Approach to 1,2-Dehalogenations and Related Reactions 178
Application of the Anionic Homologous Fries-Rearrangement to the Synthesis of 3-Alkylbenzofuran-2(3H)-ones 173
Addressing Stereochemistry of Heterocyclic Compounds by DFT NMR Calculations 167
Electron-Transfer-Induced Reductive Demethoxylation of Anisole: Evidence for Cleavage of a Radical Anion 161
Design and synthesis of bis-amide and hydrazide-containing derivatives of malonic acid as potential HIV-1 integrase inhibitors 158
Attivazione e Impiego di Metalli Alcalini in Solventi a Basso Impatto Ambientale 157
Active-sodium-promoted Reductive Cleavage of Halogenated Benzoic Acids 157
Heterogeneous acidic catalysts for the tetrahydropyranylation of alcohols and phenols in green ethereal solvents 149
Cyclopentyl methyl ether: an elective eco-friendly ethereal solvent in classical and modern organic chemistry 148
An Improved Synthesis of 7,8-Bis(methylene)-bicyclo(2.2.2)octa-2,5-diene 144
Aquivion perfluorosulfonic superacid as an effective catalyst for selective epoxidation of vegetable oils 142
A New Synthesis of 1-n-Alkyl-3,5-dimethoxybenzenes (Olivetol Dimethyl Ether and Homologs 141
Size Selectivity in the Hydroxylation of Esters of Unsaturated Fatty Acids 140
Regio- and stereochemistry of Na-mediated reductive cleavage of alkyl aryl ethers 139
Chemoselective efficient synthesis of functionalized β-oxonitriles through cyanomethylation of Weinreb amides 136
Benzylic Organometals via Reductive Metalation Procedures 134
Reductive Lithiation of Alkoxy-substituted Benzyl Methyl Ethers and Connection with Cross-coupling Reactions 131
Alkali Metal-mediated Synthesis of 1- and 4-Substituted N-Alkyl-1,2,3,4-tetraidroisoquinolines 131
Nenitzescu Synthesis of 5-Hydroxyindoles with Zinc, Iron and Magnesium Salts in Cyclopentyl Methyl Ether 131
m-Terphenyl Ethers, a New Hydroxy Protecting Group Cleavable under Reductive Electron Trasfer Reaction Conditions 130
Cyclopentyl methyl ether-NH4X: a novel solvent/catalyst system for low impact acetalization reactions 129
Active-alkali metal promoted reductive desulfurization of dibenzothiophene and its hindered analogues 129
Design and synthesis of bis-amide and hydrazide-containing derivatives of malonic acid as potential HIV-1 integrase inhibitors 127
Active-alkali metal promoted reductive desulfurization of dibenzothiophene and its hindered analogues 126
The Effect of Topologically Controlled Coulombic Interactions on the Regioselectivity of the Reductive Cleavage of Alkyl Phenyl Ethers 122
Recovery, Purification, Analysis and Chemical Modification of a Waste Cooking Oil 121
Reductive lithiation of 1,3-dimethyl-2-arylimidazolidines 121
UN’ALTERNATIVA “GREEN” AL TOLUENE 120
ALFA-LITHIATION OF METHOXYMETHYL ARYLMETHYL ETHER: SCOPE AND LIMITATIONS 120
Optically Active Heteroaromatic Compounds. IX. The Synthesis of Monoalkyl-Substituted Optically Active Pyridines 120
Diastereoselective Electrophilic Substitution of g-Oxy-Substituted Benzyllithiums", Tetrahedron Letters, 43, 5137-5139 (2002) 118
LITIAZIONE REGIO- E STEREOSELETTIVA DI COMPLESSI BORANO-N-ALCHIL-2-FENILAZIRIDINA 118
Microwave-assisted carbamoylation of amines 116
REACTIONS OF PHENYL(ARYLSULFONYL)ACETYLENES WITH OLEFINS AND DIENES 116
METALATION OF ARYLMETHYL METHYL ETHERS AND CONNECTION WITH THEIR REDUCTIVE ELECTROPHILIC SUBSTITUTION 116
Sintesi di 2,5-dialchilresorcinoli e di combrestatine mediante reazioni di metallazione riduttiva 116
Reductive Cleavage of N-Substituted 2-Aryl- l,3-oxazolidines: Generation of alfa-Amino-Substituted Carbanions 115
Reductive Electrophilic Substitution of Pyrogallol Derivatives: Synthesis of 2,3-Disubstituted Phenols 115
Vinyl Cations in Organic Synthesis. Part 2. A Novel Synthesis of Methylene-1H-indenes (Benzofulvenes) by Cyclisation of Phenyl-Substituted But-1-en-3-ynes 112
Generation of g-Oxy-Substituted Benzyllithium Derivatives by Reductive Lithiation of 4-Phenyl-1,3-dioxanes 110
Computational NMR as Useful Tool for Predicting Structure and Stereochemistry of Four-Membered Sulfur Heterocycles 110
Reducing properties of 1,2-dipyridyl-1,2-disodioethanes: chemical validation of theoretical and electrochemical predictions 109
BH3-promoted Stereoselective beta-Lithiation of N-Alkyl-2-phenylaziridines 109
Stereospecific Friedel-Crafts Alkylation of Aromatic Compounds: Synthesis of Optically Active 2- and 3-Arylalkanoic Esters 108
Riduzione regioselettiva del 3,4,5-trimetossibenzil metil etere: sintesi di resorcinoli 2,5-dialchilsostituiti 108
Metallazione riduttiva di 1,2-diarileteni: applicazioni sintetiche 107
A green solvent approach to the chemistry of 1,2-diaryl-1,2-disodioethanes 106
Single and Double Reductive Cleavage of C-O Bonds of Aromatic Acetals and Ketals: Generation of Benzylic Mono- and Dicarbanions 104
Reductive Cleavage of Benzannelated Cyclic Ethers and Amines: Synthetic Applications 104
Reducing Properties of 1,2-Disodium-1,2-diarylethanes 104
Reductive Cleavage of Diarylalkyl Methyl Ethers by Electron Transfer from Alkali Metals 102
New hydroxyl protective groups removable under SET conditions 102
Green and convenient arene-catalized reductive lithiation of heterocyclic compounds 101
Visible-Light Photoredox-Catalyzed Amidation of Benzylic Alcohols 100
Synthesis and reductive cleavage of m-terphenyl and 2,6-dimethoxyphenyl alkyl ethers 100
Silica Gel Stabilized Na and Na/K Alloys: Highly Effective, Versatile and Environmentally Friendly Reducing Agents 99
REDUCTIVE ELECTROPHILIC SUBSTITUTION OF PHTHALANS AND RING EXPANSION TO ISOCHROMAN DERIVATIVES 99
Electronic Effects in a Green Protocol for (Hetero)Aryl-S Coupling 98
Structure of 3,4-Bis(phenylthio)-Cyclobutene-1,2-dione 97
Nuove prospettive nella sintesi degli acidi peptido nucleici 97
Nuove ed efficienti sintesi dell'Idrossistirolo e di suoi derivati via ossifunzionalizzazione di precursori naturali 97
Dichotomy in the Double Bond Reactivity of 2,3-Bis(phenylsulphonyl)bicyclo-(2.2.1)hepta-2,5-diene and Related Compounds 96
Regioselectivity in Arene-Catalyzed Reductive Lithiation of Acetals of Chlorobenzaldehydes 95
REGIOSELECTIVITY IN THE REDUCTIVE CLEAVAGE OF PYROGALLOL DERIVATIVES - REDUCTIVE ELECTROPHILIC SUBSTITUTION OF ACETALS OF 2,3-DIMETHOXYPHENOL 94
Riduzione regioselettiva del 3,4,5-trimetossibenzil metil etere: sintesi di Resorcinoli 2,5-dialchilsostituiti 94
Single Electron Transfer Reductive Cleavage of the Aryl-Nitrogen Bond in Phenyl-Substituted Dimethylanilines 94
Regioselective 4-Demethoxylation of 1-n-Alkyl-3,4,5-trimethoxybenzenes: a Key Step in the Synthesis of Olivetol and its Homologues 92
Wittig Rearrangement of Aromatic Acetals and Ketals Induced by Reductive Electron Transfer 92
Synthesis of Optically Active Chloro Alkanoic Esters 91
Competition between Reducing and basic Properties of 1,2-Dialryl-1,2-disodiumethanes 91
Oxidovanadium(IV) sulfate catalyses light-driven C–N bond formation 90
Models of Thioredoxin Hairpin Structures: Conformational Properties of beta-Turn Containing Sequences 90
Metalation of arylmethyl alkyl ethers 90
Practical Generation of 3,5-Dimethoxybenzyllithium: Application to the Synthesis of 5-Substituted-Resorcinols 90
Generation of Aryl- and Arylmethyl Carbanions by the Reductive Cleavage of Alkoxy-Substituted Aromatic Compounds 90
Reductive Electrophilic Substitution of Diarylmethyl Methyl Ethers: Synthetic Applications 90
Diastereoselective Electrophilic Substitution of a-Amino-Substituted Benzylic Organometals 90
Tuning the Reducing Properties of 1,2-Diaryl-1,2-disodiumethanes 89
Conversion of Ferriosilanes to Ferriosilanols by Selective Oxidation of the SiH Function by Dimethyldioxirane 89
Glycerol Acetalization in Cyclopentyl Methyl Ether with Mild Acid Catalysts 88
MODIFICAZIONI CHIMICHE DEL CARVACROLO, IL CHEMOTIPO PREDOMINANTE DELL’OLIO ESSENZIALE DI THYMUS HERBA-BARONA LOISEL DELLA SARDEGNA 88
Regioselective Reductive Demethoxylation of 3,4,5-Trimethoxystilbenes 87
Electron.trasfer-induced Reductive Cleavage of Chlorinated Aryloxyalkanoic Acids 86
Generation and Reactivity of a-Amino-Substituted Arylmethyllithium Organometallics 86
Reactivity of Arylic Carbanions Generated by Reductive Cleavage of C-N Bond of N,N-Dimethylanilines 86
Regioselective Reductive Alkylation of 1,2,3-Trimethoxybenzene 85
Reductive Metalationof 1,2-Diaryl-substituted Ethenes: Synthetic Applications 85
Direct Metalation of Methoxymethyl Arylmethyl Ethers: A Tin-free Approach to the Generation of α-Alkoxyalkoxy-substituted Aryllithiums 83
Diastereoselective Alkylation of a-Amino-Substituted Benzyllithiums, Tetrahedron Letters 82
Regioselective Reductive Electrophilic Substitution of 1,2,3-Trimethoxybenzene and Its 5-Alkyl-Substituted Homologues 81
Eliminazioni riduttive di composti 1,2-disostituiti: un nuovo approccio organometallico 81
Electron-transfer-induced reductive cleavage of phthalans: Reactivity and synthetic applications 80
Synthesis of Antibiotic Stilbenes by Reductive Metalation of 3,4,5-Trimethoxybenzaldehyde Dimethyl Acetal", Synthetic Communications, 33, 1309-1317 (2003) 79
Tuning the reducing properties of 1,2-diaryl-1,2-disodiumethanes 79
Tuning the Reducing Properties of 1,2-Diaryl-1,2-Disodiumethanes 78
Electron-Transfer-Induced Reductive Dealkoxylation of Alkyl Aryl Ethers. III. Reductive Cleavage of Methoxy-Substituted N,N-Dimethylanilines 78
Totale 31.746
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Categoria #
all - tutte 70.003
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 70.003
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021200 0 0 0 0 0 0 0 0 0 115 67 18
2021/2022542 66 2 5 8 6 3 27 39 55 41 74 216
2022/20231.185 119 56 14 221 110 212 4 154 188 13 58 36
2023/2024361 65 22 11 13 50 25 6 30 0 17 73 49
2024/20253.174 37 32 184 50 136 114 241 646 1.110 401 104 119
2025/202624.925 169 6.311 15.619 969 329 314 641 179 201 193 0 0
Totale 32.760