IRIS
AZZENA, Ugo Gavino
 Distribuzione geografica
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Continente #
NA - Nord America 24.980
AS - Asia 2.790
EU - Europa 1.677
SA - Sud America 1.665
AF - Africa 116
Continente sconosciuto - Info sul continente non disponibili 12
OC - Oceania 6
Totale 31.246
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Nazione #
US - Stati Uniti d'America 24.899
BR - Brasile 1.514
SG - Singapore 1.121
CN - Cina 945
UA - Ucraina 612
DE - Germania 270
HK - Hong Kong 245
SE - Svezia 176
IT - Italia 175
FI - Finlandia 131
TR - Turchia 103
GB - Regno Unito 90
VN - Vietnam 71
AR - Argentina 55
IN - India 41
IQ - Iraq 41
RU - Federazione Russa 40
ZA - Sudafrica 37
CZ - Repubblica Ceca 35
BD - Bangladesh 34
MX - Messico 33
EC - Ecuador 28
CA - Canada 27
JP - Giappone 25
UZ - Uzbekistan 25
MA - Marocco 21
PK - Pakistan 21
BE - Belgio 18
KE - Kenya 17
ES - Italia 16
PL - Polonia 16
FR - Francia 15
VE - Venezuela 15
TN - Tunisia 14
ID - Indonesia 13
KR - Corea 13
PY - Paraguay 13
NP - Nepal 12
RO - Romania 11
AZ - Azerbaigian 10
CO - Colombia 10
IR - Iran 10
JO - Giordania 10
NL - Olanda 10
DZ - Algeria 9
UY - Uruguay 9
IE - Irlanda 8
SN - Senegal 8
EU - Europa 7
MD - Moldavia 7
PE - Perù 7
BO - Bolivia 6
CL - Cile 6
LT - Lituania 6
SA - Arabia Saudita 6
AT - Austria 5
AU - Australia 5
BG - Bulgaria 5
EG - Egitto 5
IL - Israele 5
LB - Libano 5
AE - Emirati Arabi Uniti 4
CH - Svizzera 4
PH - Filippine 4
RS - Serbia 4
A2 - ???statistics.table.value.countryCode.A2??? 3
AL - Albania 3
HN - Honduras 3
HR - Croazia 3
HU - Ungheria 3
JM - Giamaica 3
KG - Kirghizistan 3
NI - Nicaragua 3
OM - Oman 3
PA - Panama 3
PT - Portogallo 3
QA - Qatar 3
BY - Bielorussia 2
CR - Costa Rica 2
DK - Danimarca 2
DO - Repubblica Dominicana 2
GR - Grecia 2
GT - Guatemala 2
GY - Guiana 2
KH - Cambogia 2
KW - Kuwait 2
KZ - Kazakistan 2
LA - Repubblica Popolare Democratica del Laos 2
PS - Palestinian Territory 2
TH - Thailandia 2
TT - Trinidad e Tobago 2
XK - ???statistics.table.value.countryCode.XK??? 2
AM - Armenia 1
BS - Bahamas 1
CD - Congo 1
CI - Costa d'Avorio 1
EE - Estonia 1
GE - Georgia 1
IM - Isola di Man 1
LK - Sri Lanka 1
Totale 31.237
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Città #
Dallas 21.989
Chandler 617
Singapore 599
Jacksonville 375
Hong Kong 241
Princeton 216
Nanjing 187
Ashburn 154
Beijing 145
São Paulo 119
Dearborn 118
Wilmington 92
Ann Arbor 77
Nanchang 74
Sassari 73
Shanghai 69
Boardman 64
New York 61
Izmir 55
Los Angeles 52
Woodbridge 52
Rio de Janeiro 49
Changsha 45
Tianjin 45
Hebei 41
Munich 40
Santa Clara 40
Shenyang 39
Brasília 35
Belo Horizonte 33
Zhengzhou 32
Jinan 28
Ho Chi Minh City 27
Ningbo 25
Ribeirão Preto 25
Jiaxing 24
Porto Alegre 24
Tashkent 24
Curitiba 23
Andover 22
Buffalo 22
Helsinki 22
Johannesburg 22
Taizhou 21
Hangzhou 20
Hanoi 20
Kunming 20
San Francisco 19
Baghdad 18
Brussels 17
Chicago 17
Olomouc 17
Tokyo 17
Brno 16
Campinas 16
Salvador 16
Brooklyn 15
Council Bluffs 15
Guangzhou 15
Nairobi 15
San Mateo 15
London 14
Warsaw 14
Guarulhos 13
Mountain View 13
Atlanta 12
Augusta 12
Boston 12
Montreal 12
Phoenix 12
Seoul 12
West Jordan 12
Buenos Aires 11
Fortaleza 11
Guayaquil 11
Santo André 11
Stockholm 11
Volta Redonda 11
Ankara 10
Baku 10
Carapicuíba 10
Caxias do Sul 10
Istanbul 10
Manaus 10
Amman 9
Amsterdam 9
Contagem 9
Denver 9
Haikou 9
João Pessoa 9
Mumbai 9
Norwalk 9
Osasco 9
Poplar 9
Campo Grande 8
Chennai 8
Dublin 8
Duque de Caxias 8
Gravataí 8
Orem 8
Totale 26.827
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Nome #
1,2-Bis(phenylsulphonyl)alkenes as Versatile Groups in Organic Synthesis 10.439
1,2-Diaryl-1,2-disodioethanes: Versatile, Highly Reactive, and Tunable Synthetic Equivalents of Sodium Metal 10.322
Active-alkali metal-promoted reductive cleavage of chlorinated phenol 177
A New and Highly Effective Organometallic Approach to 1,2-Dehalogenations and Related Reactions 165
Ammonium salts catalyzed acetalization reactions in green ethereal solvents 165
Application of the Anionic Homologous Fries-Rearrangement to the Synthesis of 3-Alkylbenzofuran-2(3H)-ones 161
Addressing Stereochemistry of Heterocyclic Compounds by DFT NMR Calculations 153
Attivazione e Impiego di Metalli Alcalini in Solventi a Basso Impatto Ambientale 145
Active-sodium-promoted Reductive Cleavage of Halogenated Benzoic Acids 144
Electron-Transfer-Induced Reductive Demethoxylation of Anisole: Evidence for Cleavage of a Radical Anion 140
Heterogeneous acidic catalysts for the tetrahydropyranylation of alcohols and phenols in green ethereal solvents 139
Design and synthesis of bis-amide and hydrazide-containing derivatives of malonic acid as potential HIV-1 integrase inhibitors 137
An Improved Synthesis of 7,8-Bis(methylene)-bicyclo(2.2.2)octa-2,5-diene 132
A New Synthesis of 1-n-Alkyl-3,5-dimethoxybenzenes (Olivetol Dimethyl Ether and Homologs 125
Cyclopentyl methyl ether: an elective eco-friendly ethereal solvent in classical and modern organic chemistry 125
Regio- and stereochemistry of Na-mediated reductive cleavage of alkyl aryl ethers 123
Benzylic Organometals via Reductive Metalation Procedures 123
Chemoselective efficient synthesis of functionalized β-oxonitriles through cyanomethylation of Weinreb amides 121
Alkali Metal-mediated Synthesis of 1- and 4-Substituted N-Alkyl-1,2,3,4-tetraidroisoquinolines 119
Nenitzescu Synthesis of 5-Hydroxyindoles with Zinc, Iron and Magnesium Salts in Cyclopentyl Methyl Ether 119
Size Selectivity in the Hydroxylation of Esters of Unsaturated Fatty Acids 119
Aquivion perfluorosulfonic superacid as an effective catalyst for selective epoxidation of vegetable oils 118
Reductive Lithiation of Alkoxy-substituted Benzyl Methyl Ethers and Connection with Cross-coupling Reactions 118
The Effect of Topologically Controlled Coulombic Interactions on the Regioselectivity of the Reductive Cleavage of Alkyl Phenyl Ethers 113
Active-alkali metal promoted reductive desulfurization of dibenzothiophene and its hindered analogues 113
Reductive lithiation of 1,3-dimethyl-2-arylimidazolidines 112
m-Terphenyl Ethers, a New Hydroxy Protecting Group Cleavable under Reductive Electron Trasfer Reaction Conditions 112
ALFA-LITHIATION OF METHOXYMETHYL ARYLMETHYL ETHER: SCOPE AND LIMITATIONS 112
Cyclopentyl methyl ether-NH4X: a novel solvent/catalyst system for low impact acetalization reactions 111
Design and synthesis of bis-amide and hydrazide-containing derivatives of malonic acid as potential HIV-1 integrase inhibitors 111
Active-alkali metal promoted reductive desulfurization of dibenzothiophene and its hindered analogues 110
REACTIONS OF PHENYL(ARYLSULFONYL)ACETYLENES WITH OLEFINS AND DIENES 109
Optically Active Heteroaromatic Compounds. IX. The Synthesis of Monoalkyl-Substituted Optically Active Pyridines 109
Generation of g-Oxy-Substituted Benzyllithium Derivatives by Reductive Lithiation of 4-Phenyl-1,3-dioxanes 107
LITIAZIONE REGIO- E STEREOSELETTIVA DI COMPLESSI BORANO-N-ALCHIL-2-FENILAZIRIDINA 107
Recovery, Purification, Analysis and Chemical Modification of a Waste Cooking Oil 104
Diastereoselective Electrophilic Substitution of g-Oxy-Substituted Benzyllithiums", Tetrahedron Letters, 43, 5137-5139 (2002) 104
METALATION OF ARYLMETHYL METHYL ETHERS AND CONNECTION WITH THEIR REDUCTIVE ELECTROPHILIC SUBSTITUTION 104
UN’ALTERNATIVA “GREEN” AL TOLUENE 103
Reductive Cleavage of N-Substituted 2-Aryl- l,3-oxazolidines: Generation of alfa-Amino-Substituted Carbanions 102
Reductive Electrophilic Substitution of Pyrogallol Derivatives: Synthesis of 2,3-Disubstituted Phenols 102
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 101
Microwave-assisted carbamoylation of amines 100
Sintesi di 2,5-dialchilresorcinoli e di combrestatine mediante reazioni di metallazione riduttiva 100
Reducing properties of 1,2-dipyridyl-1,2-disodioethanes: chemical validation of theoretical and electrochemical predictions 99
BH3-promoted Stereoselective beta-Lithiation of N-Alkyl-2-phenylaziridines 99
Reducing Properties of 1,2-Disodium-1,2-diarylethanes 98
Stereospecific Friedel-Crafts Alkylation of Aromatic Compounds: Synthesis of Optically Active 2- and 3-Arylalkanoic Esters 97
Reductive Cleavage of Benzannelated Cyclic Ethers and Amines: Synthetic Applications 97
New hydroxyl protective groups removable under SET conditions 96
A green solvent approach to the chemistry of 1,2-diaryl-1,2-disodioethanes 95
Computational NMR as Useful Tool for Predicting Structure and Stereochemistry of Four-Membered Sulfur Heterocycles 95
Reductive Cleavage of Diarylalkyl Methyl Ethers by Electron Transfer from Alkali Metals 93
Single and Double Reductive Cleavage of C-O Bonds of Aromatic Acetals and Ketals: Generation of Benzylic Mono- and Dicarbanions 92
Green and convenient arene-catalized reductive lithiation of heterocyclic compounds 91
Metallazione riduttiva di 1,2-diarileteni: applicazioni sintetiche 90
Structure of 3,4-Bis(phenylthio)-Cyclobutene-1,2-dione 89
REGIOSELECTIVITY IN THE REDUCTIVE CLEAVAGE OF PYROGALLOL DERIVATIVES - REDUCTIVE ELECTROPHILIC SUBSTITUTION OF ACETALS OF 2,3-DIMETHOXYPHENOL 89
Synthesis of Optically Active Chloro Alkanoic Esters 87
Regioselectivity in Arene-Catalyzed Reductive Lithiation of Acetals of Chlorobenzaldehydes 87
Nuove ed efficienti sintesi dell'Idrossistirolo e di suoi derivati via ossifunzionalizzazione di precursori naturali 86
Synthesis and reductive cleavage of m-terphenyl and 2,6-dimethoxyphenyl alkyl ethers 86
Riduzione regioselettiva del 3,4,5-trimetossibenzil metil etere: sintesi di Resorcinoli 2,5-dialchilsostituiti 84
Riduzione regioselettiva del 3,4,5-trimetossibenzil metil etere: sintesi di resorcinoli 2,5-dialchilsostituiti 84
Nuove prospettive nella sintesi degli acidi peptido nucleici 84
Conversion of Ferriosilanes to Ferriosilanols by Selective Oxidation of the SiH Function by Dimethyldioxirane 84
Electronic Effects in a Green Protocol for (Hetero)Aryl-S Coupling 83
Generation of Aryl- and Arylmethyl Carbanions by the Reductive Cleavage of Alkoxy-Substituted Aromatic Compounds 83
Visible-Light Photoredox-Catalyzed Amidation of Benzylic Alcohols 83
REDUCTIVE ELECTROPHILIC SUBSTITUTION OF PHTHALANS AND RING EXPANSION TO ISOCHROMAN DERIVATIVES 83
Dichotomy in the Double Bond Reactivity of 2,3-Bis(phenylsulphonyl)bicyclo-(2.2.1)hepta-2,5-diene and Related Compounds 83
Models of Thioredoxin Hairpin Structures: Conformational Properties of beta-Turn Containing Sequences 82
Single Electron Transfer Reductive Cleavage of the Aryl-Nitrogen Bond in Phenyl-Substituted Dimethylanilines 82
Silica Gel Stabilized Na and Na/K Alloys: Highly Effective, Versatile and Environmentally Friendly Reducing Agents 81
Regioselective 4-Demethoxylation of 1-n-Alkyl-3,4,5-trimethoxybenzenes: a Key Step in the Synthesis of Olivetol and its Homologues 80
Practical Generation of 3,5-Dimethoxybenzyllithium: Application to the Synthesis of 5-Substituted-Resorcinols 80
Competition between Reducing and basic Properties of 1,2-Dialryl-1,2-disodiumethanes 80
Wittig Rearrangement of Aromatic Acetals and Ketals Induced by Reductive Electron Transfer 79
Reductive Electrophilic Substitution of Diarylmethyl Methyl Ethers: Synthetic Applications 79
Tuning the Reducing Properties of 1,2-Diaryl-1,2-disodiumethanes 77
Metalation of arylmethyl alkyl ethers 77
Generation and Reactivity of a-Amino-Substituted Arylmethyllithium Organometallics 77
Diastereoselective Electrophilic Substitution of a-Amino-Substituted Benzylic Organometals 77
Glycerol Acetalization in Cyclopentyl Methyl Ether with Mild Acid Catalysts 75
Oxidovanadium(IV) sulfate catalyses light-driven C–N bond formation 74
Eliminazioni riduttive di composti 1,2-disostituiti: un nuovo approccio organometallico 74
Reductive Metalationof 1,2-Diaryl-substituted Ethenes: Synthetic Applications 74
MODIFICAZIONI CHIMICHE DEL CARVACROLO, IL CHEMOTIPO PREDOMINANTE DELL’OLIO ESSENZIALE DI THYMUS HERBA-BARONA LOISEL DELLA SARDEGNA 74
Regioselective Reductive Demethoxylation of 3,4,5-Trimethoxystilbenes 74
Regioselective Reductive Electrophilic Substitution of 1,2,3-Trimethoxybenzene and Its 5-Alkyl-Substituted Homologues 73
Tuning the Reducing Properties of 1,2-Diaryl-1,2-Disodiumethanes 73
Regioselective Reductive Alkylation of 1,2,3-Trimethoxybenzene 73
Synthesis of Antibiotic Stilbenes by Reductive Metalation of 3,4,5-Trimethoxybenzaldehyde Dimethyl Acetal", Synthetic Communications, 33, 1309-1317 (2003) 73
Tuning the reducing properties of 1,2-diaryl-1,2-disodiumethanes 73
Reactivity of Arylic Carbanions Generated by Reductive Cleavage of C-N Bond of N,N-Dimethylanilines 71
Diastereoselective Alkylation of a-Amino-Substituted Benzyllithiums, Tetrahedron Letters 70
Electron.trasfer-induced Reductive Cleavage of Chlorinated Aryloxyalkanoic Acids 70
Direct Metalation of Methoxymethyl Arylmethyl Ethers: A Tin-free Approach to the Generation of α-Alkoxyalkoxy-substituted Aryllithiums 69
Regioselective Reductive Electrophilic Substitution of Derivatives of 3,4,5-Trimethoxybenzaldehyde 67
Electron-Transfer-Induced Reductive Dealkoxylation of Alkyl Aryl Ethers. III. Reductive Cleavage of Methoxy-Substituted N,N-Dimethylanilines 67
Totale 30.467
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Categoria #
all - tutte 66.790
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 66.790
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021444 0 0 0 0 0 33 101 7 103 115 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
2025/202623.475 169 6.311 15.619 969 329 78 0 0 0 0 0 0
Totale 31.310