IRIS
AZZENA, Ugo Gavino
 Distribuzione geografica
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Continente #
NA - Nord America 25.988
AS - Asia 3.478
EU - Europa 1.911
SA - Sud America 1.725
AF - Africa 136
Continente sconosciuto - Info sul continente non disponibili 77
OC - Oceania 6
Totale 33.321
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Nazione #
US - Stati Uniti d'America 25.863
BR - Brasile 1.543
SG - Singapore 1.283
CN - Cina 1.140
UA - Ucraina 621
HK - Hong Kong 323
DE - Germania 287
IT - Italia 229
VN - Vietnam 220
SE - Svezia 176
FI - Finlandia 132
FR - Francia 121
TR - Turchia 108
GB - Regno Unito 106
IN - India 63
AR - Argentina 61
BD - Bangladesh 53
MX - Messico 49
IQ - Iraq 47
ZA - Sudafrica 42
RU - Federazione Russa 41
CA - Canada 40
CZ - Repubblica Ceca 35
JP - Giappone 34
UZ - Uzbekistan 30
EC - Ecuador 29
PK - Pakistan 25
ES - Italia 22
MA - Marocco 22
KE - Kenya 21
BE - Belgio 19
CO - Colombia 19
NL - Olanda 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
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
PE - Perù 8
EG - Egitto 7
EU - Europa 7
MD - Moldavia 7
PH - Filippine 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
JM - Giamaica 5
RS - Serbia 5
AL - Albania 4
CH - Svizzera 4
GT - Guatemala 4
NI - Nicaragua 4
OM - Oman 4
PT - Portogallo 4
A2 - ???statistics.table.value.countryCode.A2??? 3
BY - Bielorussia 3
GR - Grecia 3
HN - Honduras 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
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
TH - Thailandia 2
TT - Trinidad e Tobago 2
AM - Armenia 1
BB - Barbados 1
BM - Bermuda 1
Totale 33.239
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Città #
Dallas 21.998
Singapore 704
Chandler 617
San Jose 483
Jacksonville 376
Hong Kong 311
Ashburn 285
Princeton 216
Nanjing 187
Beijing 184
São Paulo 125
Dearborn 118
Columbus 98
Lauterbourg 97
Wilmington 92
Ann Arbor 77
Santa Clara 77
New York 76
Nanchang 75
Sassari 73
Shanghai 72
Ho Chi Minh City 70
Boardman 64
Hanoi 61
Los Angeles 58
Izmir 55
Woodbridge 53
Rio de Janeiro 50
Changsha 46
Tianjin 45
Council Bluffs 44
Hebei 41
Munich 40
Shenyang 39
Brasília 35
Belo Horizonte 33
Zhengzhou 32
Tashkent 29
Jinan 28
Chicago 26
Ningbo 25
Porto Alegre 25
Ribeirão Preto 25
Jiaxing 24
Johannesburg 24
Baghdad 23
Buffalo 23
Curitiba 23
Andover 22
Hangzhou 22
Helsinki 22
Orem 22
Taizhou 21
Tokyo 21
Guangzhou 20
Kunming 20
San Francisco 20
London 19
Brooklyn 18
Brussels 17
Denver 17
Olomouc 17
Brno 16
Campinas 16
Nairobi 16
Salvador 16
Warsaw 16
Atlanta 15
Milan 15
Phoenix 15
San Mateo 15
Amsterdam 14
Chennai 14
Mexico City 14
Montreal 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
Santo André 11
Stockholm 11
Volta Redonda 11
Carapicuíba 10
Caxias do Sul 10
Manaus 10
Osasco 10
Rome 10
Totale 28.145
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Nome #
1,2-Bis(phenylsulphonyl)alkenes as Versatile Groups in Organic Synthesis 10.470
1,2-Diaryl-1,2-disodioethanes: Versatile, Highly Reactive, and Tunable Synthetic Equivalents of Sodium Metal 10.352
Active-alkali metal-promoted reductive cleavage of chlorinated phenol 201
Ammonium salts catalyzed acetalization reactions in green ethereal solvents 192
A New and Highly Effective Organometallic Approach to 1,2-Dehalogenations and Related Reactions 183
Application of the Anionic Homologous Fries-Rearrangement to the Synthesis of 3-Alkylbenzofuran-2(3H)-ones 174
Addressing Stereochemistry of Heterocyclic Compounds by DFT NMR Calculations 170
Electron-Transfer-Induced Reductive Demethoxylation of Anisole: Evidence for Cleavage of a Radical Anion 168
Active-sodium-promoted Reductive Cleavage of Halogenated Benzoic Acids 165
Design and synthesis of bis-amide and hydrazide-containing derivatives of malonic acid as potential HIV-1 integrase inhibitors 162
Attivazione e Impiego di Metalli Alcalini in Solventi a Basso Impatto Ambientale 159
Cyclopentyl methyl ether: an elective eco-friendly ethereal solvent in classical and modern organic chemistry 154
An Improved Synthesis of 7,8-Bis(methylene)-bicyclo(2.2.2)octa-2,5-diene 152
A New Synthesis of 1-n-Alkyl-3,5-dimethoxybenzenes (Olivetol Dimethyl Ether and Homologs 149
Heterogeneous acidic catalysts for the tetrahydropyranylation of alcohols and phenols in green ethereal solvents 149
Regio- and stereochemistry of Na-mediated reductive cleavage of alkyl aryl ethers 147
Aquivion perfluorosulfonic superacid as an effective catalyst for selective epoxidation of vegetable oils 146
Size Selectivity in the Hydroxylation of Esters of Unsaturated Fatty Acids 144
Benzylic Organometals via Reductive Metalation Procedures 142
m-Terphenyl Ethers, a New Hydroxy Protecting Group Cleavable under Reductive Electron Trasfer Reaction Conditions 140
Chemoselective efficient synthesis of functionalized β-oxonitriles through cyanomethylation of Weinreb amides 138
Alkali Metal-mediated Synthesis of 1- and 4-Substituted N-Alkyl-1,2,3,4-tetraidroisoquinolines 137
Reductive Lithiation of Alkoxy-substituted Benzyl Methyl Ethers and Connection with Cross-coupling Reactions 136
Nenitzescu Synthesis of 5-Hydroxyindoles with Zinc, Iron and Magnesium Salts in Cyclopentyl Methyl Ether 133
Active-alkali metal promoted reductive desulfurization of dibenzothiophene and its hindered analogues 133
Cyclopentyl methyl ether-NH4X: a novel solvent/catalyst system for low impact acetalization reactions 132
Design and synthesis of bis-amide and hydrazide-containing derivatives of malonic acid as potential HIV-1 integrase inhibitors 132
Electron-transfer-induced reductive cleavage of phthalans: Reactivity and synthetic applications 131
Active-alkali metal promoted reductive desulfurization of dibenzothiophene and its hindered analogues 128
The Effect of Topologically Controlled Coulombic Interactions on the Regioselectivity of the Reductive Cleavage of Alkyl Phenyl Ethers 127
Reductive lithiation of 1,3-dimethyl-2-arylimidazolidines 126
Recovery, Purification, Analysis and Chemical Modification of a Waste Cooking Oil 125
UN’ALTERNATIVA “GREEN” AL TOLUENE 124
Optically Active Heteroaromatic Compounds. IX. The Synthesis of Monoalkyl-Substituted Optically Active Pyridines 124
Diastereoselective Electrophilic Substitution of g-Oxy-Substituted Benzyllithiums", Tetrahedron Letters, 43, 5137-5139 (2002) 122
METALATION OF ARYLMETHYL METHYL ETHERS AND CONNECTION WITH THEIR REDUCTIVE ELECTROPHILIC SUBSTITUTION 122
ALFA-LITHIATION OF METHOXYMETHYL ARYLMETHYL ETHER: SCOPE AND LIMITATIONS 121
Microwave-assisted carbamoylation of amines 120
REACTIONS OF PHENYL(ARYLSULFONYL)ACETYLENES WITH OLEFINS AND DIENES 120
Reductive Cleavage of N-Substituted 2-Aryl- l,3-oxazolidines: Generation of alfa-Amino-Substituted Carbanions 120
LITIAZIONE REGIO- E STEREOSELETTIVA DI COMPLESSI BORANO-N-ALCHIL-2-FENILAZIRIDINA 120
Reductive Electrophilic Substitution of Pyrogallol Derivatives: Synthesis of 2,3-Disubstituted Phenols 120
Sintesi di 2,5-dialchilresorcinoli e di combrestatine mediante reazioni di metallazione riduttiva 119
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 118
Computational NMR as Useful Tool for Predicting Structure and Stereochemistry of Four-Membered Sulfur Heterocycles 116
Reducing properties of 1,2-dipyridyl-1,2-disodioethanes: chemical validation of theoretical and electrochemical predictions 114
Riduzione regioselettiva del 3,4,5-trimetossibenzil metil etere: sintesi di resorcinoli 2,5-dialchilsostituiti 114
Generation of g-Oxy-Substituted Benzyllithium Derivatives by Reductive Lithiation of 4-Phenyl-1,3-dioxanes 112
BH3-promoted Stereoselective beta-Lithiation of N-Alkyl-2-phenylaziridines 112
Green and convenient arene-catalized reductive lithiation of heterocyclic compounds 111
REDUCTIVE ELECTROPHILIC SUBSTITUTION OF PHTHALANS AND RING EXPANSION TO ISOCHROMAN DERIVATIVES 111
Stereospecific Friedel-Crafts Alkylation of Aromatic Compounds: Synthesis of Optically Active 2- and 3-Arylalkanoic Esters 110
Metallazione riduttiva di 1,2-diarileteni: applicazioni sintetiche 109
A green solvent approach to the chemistry of 1,2-diaryl-1,2-disodioethanes 108
Visible-Light Photoredox-Catalyzed Amidation of Benzylic Alcohols 108
Reducing Properties of 1,2-Disodium-1,2-diarylethanes 108
New hydroxyl protective groups removable under SET conditions 107
Single and Double Reductive Cleavage of C-O Bonds of Aromatic Acetals and Ketals: Generation of Benzylic Mono- and Dicarbanions 107
Reductive Cleavage of Diarylalkyl Methyl Ethers by Electron Transfer from Alkali Metals 106
Silica Gel Stabilized Na and Na/K Alloys: Highly Effective, Versatile and Environmentally Friendly Reducing Agents 105
Riduzione regioselettiva del 3,4,5-trimetossibenzil metil etere: sintesi di Resorcinoli 2,5-dialchilsostituiti 105
Nuove prospettive nella sintesi degli acidi peptido nucleici 105
Synthesis and reductive cleavage of m-terphenyl and 2,6-dimethoxyphenyl alkyl ethers 105
Reductive Cleavage of Benzannelated Cyclic Ethers and Amines: Synthetic Applications 105
Electronic Effects in a Green Protocol for (Hetero)Aryl-S Coupling 101
Structure of 3,4-Bis(phenylthio)-Cyclobutene-1,2-dione 101
Nuove ed efficienti sintesi dell'Idrossistirolo e di suoi derivati via ossifunzionalizzazione di precursori naturali 101
Dichotomy in the Double Bond Reactivity of 2,3-Bis(phenylsulphonyl)bicyclo-(2.2.1)hepta-2,5-diene and Related Compounds 99
Single Electron Transfer Reductive Cleavage of the Aryl-Nitrogen Bond in Phenyl-Substituted Dimethylanilines 98
Wittig Rearrangement of Aromatic Acetals and Ketals Induced by Reductive Electron Transfer 97
Regioselectivity in Arene-Catalyzed Reductive Lithiation of Acetals of Chlorobenzaldehydes 97
REGIOSELECTIVITY IN THE REDUCTIVE CLEAVAGE OF PYROGALLOL DERIVATIVES - REDUCTIVE ELECTROPHILIC SUBSTITUTION OF ACETALS OF 2,3-DIMETHOXYPHENOL 96
Generation of Aryl- and Arylmethyl Carbanions by the Reductive Cleavage of Alkoxy-Substituted Aromatic Compounds 96
Practical Generation of 3,5-Dimethoxybenzyllithium: Application to the Synthesis of 5-Substituted-Resorcinols 95
Oxidovanadium(IV) sulfate catalyses light-driven C–N bond formation 94
Regioselective 4-Demethoxylation of 1-n-Alkyl-3,4,5-trimethoxybenzenes: a Key Step in the Synthesis of Olivetol and its Homologues 94
Competition between Reducing and basic Properties of 1,2-Dialryl-1,2-disodiumethanes 94
Models of Thioredoxin Hairpin Structures: Conformational Properties of beta-Turn Containing Sequences 93
Metalation of arylmethyl alkyl ethers 93
Generation and Reactivity of a-Amino-Substituted Arylmethyllithium Organometallics 93
Synthesis of Optically Active Chloro Alkanoic Esters 93
Reactivity of Arylic Carbanions Generated by Reductive Cleavage of C-N Bond of N,N-Dimethylanilines 93
Reductive Metalationof 1,2-Diaryl-substituted Ethenes: Synthetic Applications 93
Tuning the Reducing Properties of 1,2-Diaryl-1,2-disodiumethanes 92
Direct Metalation of Methoxymethyl Arylmethyl Ethers: A Tin-free Approach to the Generation of α-Alkoxyalkoxy-substituted Aryllithiums 92
Electron.trasfer-induced Reductive Cleavage of Chlorinated Aryloxyalkanoic Acids 91
Reductive Electrophilic Substitution of Diarylmethyl Methyl Ethers: Synthetic Applications 91
Diastereoselective Electrophilic Substitution of a-Amino-Substituted Benzylic Organometals 91
Regioselective Reductive Demethoxylation of 3,4,5-Trimethoxystilbenes 91
Glycerol Acetalization in Cyclopentyl Methyl Ether with Mild Acid Catalysts 90
Regioselective Reductive Alkylation of 1,2,3-Trimethoxybenzene 90
Conversion of Ferriosilanes to Ferriosilanols by Selective Oxidation of the SiH Function by Dimethyldioxirane 90
MODIFICAZIONI CHIMICHE DEL CARVACROLO, IL CHEMOTIPO PREDOMINANTE DELL’OLIO ESSENZIALE DI THYMUS HERBA-BARONA LOISEL DELLA SARDEGNA 89
Diastereoselective Alkylation of a-Amino-Substituted Benzyllithiums, Tetrahedron Letters 86
Eliminazioni riduttive di composti 1,2-disostituiti: un nuovo approccio organometallico 86
Regioselective Reductive Electrophilic Substitution of 1,2,3-Trimethoxybenzene and Its 5-Alkyl-Substituted Homologues 84
From waste to opportunity: evaluating the pesticidal properties of a waste cooking oil and its derivates 83
Regioselective Reductive Electrophilic Substitution of Derivatives of 3,4,5-Trimethoxybenzaldehyde 82
Tuning the Reducing Properties of 1,2-Diaryl-1,2-Disodiumethanes 82
Electron-Transfer-Induced Reductive Dealkoxylation of Alkyl Aryl Ethers. III. Reductive Cleavage of Methoxy-Substituted N,N-Dimethylanilines 82
Totale 32.238
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Categoria #
all - tutte 75.318
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 75.318
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/2022476 0 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
2025/202625.181 169 6.311 15.619 969 329 314 641 179 201 275 125 49
2026/2027305 122 183 0 0 0 0 0 0 0 0 0 0
Totale 33.321