IRIS
AZZENA, Ugo Gavino
 Distribuzione geografica
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Continente #
NA - Nord America 26.689
AS - Asia 3.540
EU - Europa 1.980
SA - Sud America 1.729
AF - Africa 136
Continente sconosciuto - Info sul continente non disponibili 77
OC - Oceania 6
Totale 34.157
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Nazione #
US - Stati Uniti d'America 26.543
BR - Brasile 1.544
SG - Singapore 1.306
CN - Cina 1.146
UA - Ucraina 621
HK - Hong Kong 349
DE - Germania 289
IT - Italia 288
VN - Vietnam 220
SE - Svezia 176
FI - Finlandia 132
FR - Francia 122
GB - Regno Unito 110
TR - Turchia 108
IN - India 64
AR - Argentina 61
BD - Bangladesh 57
MX - Messico 52
IQ - Iraq 47
CA - Canada 45
ZA - Sudafrica 42
RU - Federazione Russa 41
CZ - Repubblica Ceca 35
JP - Giappone 34
EC - Ecuador 30
UZ - Uzbekistan 30
PK - Pakistan 25
ES - Italia 22
MA - Marocco 22
KE - Kenya 21
NL - Olanda 20
BE - Belgio 19
CO - Colombia 19
PL - Polonia 19
VE - Venezuela 18
ID - Indonesia 16
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
CL - Cile 11
DZ - Algeria 11
RO - Romania 11
IR - Iran 10
SN - Senegal 10
IE - Irlanda 9
JM - Giamaica 9
PE - Perù 9
BO - Bolivia 8
IL - Israele 8
LB - Libano 8
PH - Filippine 8
EG - Egitto 7
EU - Europa 7
MD - Moldavia 7
AT - Austria 6
DO - Repubblica Dominicana 6
LT - Lituania 6
AE - Emirati Arabi Uniti 5
AU - Australia 5
BG - Bulgaria 5
CR - Costa Rica 5
RS - Serbia 5
TT - Trinidad e Tobago 5
AL - Albania 4
CH - Svizzera 4
GT - Guatemala 4
HN - Honduras 4
NI - Nicaragua 4
OM - Oman 4
PT - Portogallo 4
A2 - ???statistics.table.value.countryCode.A2??? 3
BB - Barbados 3
BY - Bielorussia 3
EE - Estonia 3
GR - Grecia 3
HR - Croazia 3
HU - Ungheria 3
KG - Kirghizistan 3
KZ - Kazakistan 3
MY - Malesia 3
PA - Panama 3
QA - Qatar 3
SI - Slovenia 3
SY - Repubblica araba siriana 3
TH - Thailandia 3
XK - ???statistics.table.value.countryCode.XK??? 3
DK - Danimarca 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
AM - Armenia 1
Totale 34.072
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Città #
Dallas 22.000
Singapore 725
Chandler 617
San Jose 584
Jacksonville 377
Hong Kong 337
Ashburn 292
Council Bluffs 229
Princeton 216
Nanjing 187
Beijing 185
Santa Clara 161
São Paulo 126
Columbus 119
Dearborn 118
Lauterbourg 97
Wilmington 92
Ann Arbor 78
New York 76
Nanchang 75
Shanghai 75
Sassari 73
Ho Chi Minh City 70
Boardman 64
Los Angeles 63
Hanoi 61
Izmir 55
Woodbridge 53
Rio de Janeiro 50
Changsha 46
Tianjin 45
Hebei 41
Munich 40
Shenyang 39
Brasília 35
Belo Horizonte 33
Zhengzhou 32
Chicago 30
Tashkent 29
Jinan 28
Buffalo 25
Ningbo 25
Phoenix 25
Porto Alegre 25
Ribeirão Preto 25
Jiaxing 24
Johannesburg 24
Baghdad 23
Curitiba 23
Andover 22
Brooklyn 22
Hangzhou 22
Helsinki 22
Orem 22
Taizhou 21
Tokyo 21
Guangzhou 20
Kunming 20
San Francisco 20
Denver 19
London 19
Atlanta 18
Brussels 17
Mexico City 17
Milan 17
Olomouc 17
Warsaw 17
Brno 16
Campinas 16
Nairobi 16
Salvador 16
San Mateo 15
Amsterdam 14
Chennai 14
Montreal 14
Rome 14
The Dalles 14
Da Nang 13
Frankfurt am Main 13
Guarulhos 13
Mountain View 13
Mumbai 13
Ankara 12
Augusta 12
Boston 12
Guayaquil 12
Seoul 12
West Jordan 12
Amman 11
Baku 11
Buenos Aires 11
Fortaleza 11
Istanbul 11
Manchester 11
Santo André 11
Stockholm 11
Volta Redonda 11
Carapicuíba 10
Caxias do Sul 10
Florence 10
Totale 28.640
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Nome #
1,2-Bis(phenylsulphonyl)alkenes as Versatile Groups in Organic Synthesis 10.480
1,2-Diaryl-1,2-disodioethanes: Versatile, Highly Reactive, and Tunable Synthetic Equivalents of Sodium Metal 10.360
Electron-transfer-induced reductive cleavage of phthalans: Reactivity and synthetic applications 216
Active-alkali metal-promoted reductive cleavage of chlorinated phenol 206
Ammonium salts catalyzed acetalization reactions in green ethereal solvents 201
A New and Highly Effective Organometallic Approach to 1,2-Dehalogenations and Related Reactions 189
Application of the Anionic Homologous Fries-Rearrangement to the Synthesis of 3-Alkylbenzofuran-2(3H)-ones 185
Addressing Stereochemistry of Heterocyclic Compounds by DFT NMR Calculations 176
Electron-Transfer-Induced Reductive Demethoxylation of Anisole: Evidence for Cleavage of a Radical Anion 173
Active-sodium-promoted Reductive Cleavage of Halogenated Benzoic Acids 171
Design and synthesis of bis-amide and hydrazide-containing derivatives of malonic acid as potential HIV-1 integrase inhibitors 169
Attivazione e Impiego di Metalli Alcalini in Solventi a Basso Impatto Ambientale 163
Cyclopentyl methyl ether: an elective eco-friendly ethereal solvent in classical and modern organic chemistry 163
An Improved Synthesis of 7,8-Bis(methylene)-bicyclo(2.2.2)octa-2,5-diene 159
A New Synthesis of 1-n-Alkyl-3,5-dimethoxybenzenes (Olivetol Dimethyl Ether and Homologs 159
Heterogeneous acidic catalysts for the tetrahydropyranylation of alcohols and phenols in green ethereal solvents 156
Regio- and stereochemistry of Na-mediated reductive cleavage of alkyl aryl ethers 155
Aquivion perfluorosulfonic superacid as an effective catalyst for selective epoxidation of vegetable oils 151
Benzylic Organometals via Reductive Metalation Procedures 149
Size Selectivity in the Hydroxylation of Esters of Unsaturated Fatty Acids 148
m-Terphenyl Ethers, a New Hydroxy Protecting Group Cleavable under Reductive Electron Trasfer Reaction Conditions 147
Alkali Metal-mediated Synthesis of 1- and 4-Substituted N-Alkyl-1,2,3,4-tetraidroisoquinolines 144
Reductive Lithiation of Alkoxy-substituted Benzyl Methyl Ethers and Connection with Cross-coupling Reactions 142
Chemoselective efficient synthesis of functionalized β-oxonitriles through cyanomethylation of Weinreb amides 142
Nenitzescu Synthesis of 5-Hydroxyindoles with Zinc, Iron and Magnesium Salts in Cyclopentyl Methyl Ether 140
Cyclopentyl methyl ether-NH4X: a novel solvent/catalyst system for low impact acetalization reactions 138
Reductive lithiation of 1,3-dimethyl-2-arylimidazolidines 137
Design and synthesis of bis-amide and hydrazide-containing derivatives of malonic acid as potential HIV-1 integrase inhibitors 137
Active-alkali metal promoted reductive desulfurization of dibenzothiophene and its hindered analogues 137
Active-alkali metal promoted reductive desulfurization of dibenzothiophene and its hindered analogues 135
The Effect of Topologically Controlled Coulombic Interactions on the Regioselectivity of the Reductive Cleavage of Alkyl Phenyl Ethers 133
Recovery, Purification, Analysis and Chemical Modification of a Waste Cooking Oil 132
REDUCTIVE ELECTROPHILIC SUBSTITUTION OF PHTHALANS AND RING EXPANSION TO ISOCHROMAN DERIVATIVES 132
UN’ALTERNATIVA “GREEN” AL TOLUENE 132
Optically Active Heteroaromatic Compounds. IX. The Synthesis of Monoalkyl-Substituted Optically Active Pyridines 131
METALATION OF ARYLMETHYL METHYL ETHERS AND CONNECTION WITH THEIR REDUCTIVE ELECTROPHILIC SUBSTITUTION 130
Diastereoselective Electrophilic Substitution of g-Oxy-Substituted Benzyllithiums", Tetrahedron Letters, 43, 5137-5139 (2002) 128
Reductive Cleavage of N-Substituted 2-Aryl- l,3-oxazolidines: Generation of alfa-Amino-Substituted Carbanions 128
LITIAZIONE REGIO- E STEREOSELETTIVA DI COMPLESSI BORANO-N-ALCHIL-2-FENILAZIRIDINA 128
Reductive Electrophilic Substitution of Pyrogallol Derivatives: Synthesis of 2,3-Disubstituted Phenols 128
Microwave-assisted carbamoylation of amines 126
REACTIONS OF PHENYL(ARYLSULFONYL)ACETYLENES WITH OLEFINS AND DIENES 125
Sintesi di 2,5-dialchilresorcinoli e di combrestatine mediante reazioni di metallazione riduttiva 125
ALFA-LITHIATION OF METHOXYMETHYL ARYLMETHYL ETHER: SCOPE AND LIMITATIONS 125
Computational NMR as Useful Tool for Predicting Structure and Stereochemistry of Four-Membered Sulfur Heterocycles 123
BH3-promoted Stereoselective beta-Lithiation of N-Alkyl-2-phenylaziridines 122
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 121
Generation of g-Oxy-Substituted Benzyllithium Derivatives by Reductive Lithiation of 4-Phenyl-1,3-dioxanes 120
Reducing properties of 1,2-dipyridyl-1,2-disodioethanes: chemical validation of theoretical and electrochemical predictions 120
Riduzione regioselettiva del 3,4,5-trimetossibenzil metil etere: sintesi di resorcinoli 2,5-dialchilsostituiti 120
Visible-Light Photoredox-Catalyzed Amidation of Benzylic Alcohols 118
Stereospecific Friedel-Crafts Alkylation of Aromatic Compounds: Synthesis of Optically Active 2- and 3-Arylalkanoic Esters 117
Green and convenient arene-catalized reductive lithiation of heterocyclic compounds 116
Metallazione riduttiva di 1,2-diarileteni: applicazioni sintetiche 116
Reductive Cleavage of Diarylalkyl Methyl Ethers by Electron Transfer from Alkali Metals 115
Riduzione regioselettiva del 3,4,5-trimetossibenzil metil etere: sintesi di Resorcinoli 2,5-dialchilsostituiti 115
Reducing Properties of 1,2-Disodium-1,2-diarylethanes 115
Single and Double Reductive Cleavage of C-O Bonds of Aromatic Acetals and Ketals: Generation of Benzylic Mono- and Dicarbanions 114
Synthesis and reductive cleavage of m-terphenyl and 2,6-dimethoxyphenyl alkyl ethers 114
Reductive Cleavage of Benzannelated Cyclic Ethers and Amines: Synthetic Applications 114
A green solvent approach to the chemistry of 1,2-diaryl-1,2-disodioethanes 113
New hydroxyl protective groups removable under SET conditions 112
Silica Gel Stabilized Na and Na/K Alloys: Highly Effective, Versatile and Environmentally Friendly Reducing Agents 110
Electronic Effects in a Green Protocol for (Hetero)Aryl-S Coupling 109
Nuove prospettive nella sintesi degli acidi peptido nucleici 109
Structure of 3,4-Bis(phenylthio)-Cyclobutene-1,2-dione 107
Nuove ed efficienti sintesi dell'Idrossistirolo e di suoi derivati via ossifunzionalizzazione di precursori naturali 107
Dichotomy in the Double Bond Reactivity of 2,3-Bis(phenylsulphonyl)bicyclo-(2.2.1)hepta-2,5-diene and Related Compounds 106
Single Electron Transfer Reductive Cleavage of the Aryl-Nitrogen Bond in Phenyl-Substituted Dimethylanilines 105
Regioselectivity in Arene-Catalyzed Reductive Lithiation of Acetals of Chlorobenzaldehydes 104
Regioselective 4-Demethoxylation of 1-n-Alkyl-3,4,5-trimethoxybenzenes: a Key Step in the Synthesis of Olivetol and its Homologues 103
Generation of Aryl- and Arylmethyl Carbanions by the Reductive Cleavage of Alkoxy-Substituted Aromatic Compounds 102
Wittig Rearrangement of Aromatic Acetals and Ketals Induced by Reductive Electron Transfer 102
Electron.trasfer-induced Reductive Cleavage of Chlorinated Aryloxyalkanoic Acids 101
Practical Generation of 3,5-Dimethoxybenzyllithium: Application to the Synthesis of 5-Substituted-Resorcinols 101
Models of Thioredoxin Hairpin Structures: Conformational Properties of beta-Turn Containing Sequences 100
REGIOSELECTIVITY IN THE REDUCTIVE CLEAVAGE OF PYROGALLOL DERIVATIVES - REDUCTIVE ELECTROPHILIC SUBSTITUTION OF ACETALS OF 2,3-DIMETHOXYPHENOL 100
Oxidovanadium(IV) sulfate catalyses light-driven C–N bond formation 99
Metalation of arylmethyl alkyl ethers 99
Competition between Reducing and basic Properties of 1,2-Dialryl-1,2-disodiumethanes 99
Direct Metalation of Methoxymethyl Arylmethyl Ethers: A Tin-free Approach to the Generation of α-Alkoxyalkoxy-substituted Aryllithiums 99
Tuning the Reducing Properties of 1,2-Diaryl-1,2-disodiumethanes 98
Generation and Reactivity of a-Amino-Substituted Arylmethyllithium Organometallics 98
Reactivity of Arylic Carbanions Generated by Reductive Cleavage of C-N Bond of N,N-Dimethylanilines 98
Reductive Metalationof 1,2-Diaryl-substituted Ethenes: Synthetic Applications 98
Glycerol Acetalization in Cyclopentyl Methyl Ether with Mild Acid Catalysts 97
Synthesis of Optically Active Chloro Alkanoic Esters 97
Reductive Electrophilic Substitution of Diarylmethyl Methyl Ethers: Synthetic Applications 97
Diastereoselective Electrophilic Substitution of a-Amino-Substituted Benzylic Organometals 97
Regioselective Reductive Demethoxylation of 3,4,5-Trimethoxystilbenes 96
Conversion of Ferriosilanes to Ferriosilanols by Selective Oxidation of the SiH Function by Dimethyldioxirane 96
Regioselective Reductive Alkylation of 1,2,3-Trimethoxybenzene 94
Diastereoselective Alkylation of a-Amino-Substituted Benzyllithiums, Tetrahedron Letters 93
MODIFICAZIONI CHIMICHE DEL CARVACROLO, IL CHEMOTIPO PREDOMINANTE DELL’OLIO ESSENZIALE DI THYMUS HERBA-BARONA LOISEL DELLA SARDEGNA 93
Regioselective Reductive Electrophilic Substitution of 1,2,3-Trimethoxybenzene and Its 5-Alkyl-Substituted Homologues 90
Eliminazioni riduttive di composti 1,2-disostituiti: un nuovo approccio organometallico 90
From waste to opportunity: evaluating the pesticidal properties of a waste cooking oil and its derivates 89
Ion Pairing Effects on the Regioselectivity of Arylic vs. Benzylic C-O Bond Reductive Cleavage: Synthetic Applications 88
Electron-Transfer-Induced Reductive Dealkoxylation of Alkyl Aryl Ethers. III. Reductive Cleavage of Methoxy-Substituted N,N-Dimethylanilines 88
Synthesis of Beta‐Enaminoketones and Enaminoesters Catalyzed by Brønsted Acids Ammonium Chloride and Glycine Hydrochloride 87
Totale 32.982
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Categoria #
all - tutte 77.860
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 77.860
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/2022469 0 0 0 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
2025/202625.181 169 6.311 15.619 969 329 314 641 179 201 275 125 49
2026/20271.141 122 410 510 99 0 0 0 0 0 0 0 0
Totale 34.157