IRIS
ATTANASI, ORAZIO ANTONIO
 Distribuzione geografica
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Continente #
NA - Nord America 27.755
EU - Europa 24.497
AS - Asia 9.120
SA - Sud America 779
AF - Africa 122
Continente sconosciuto - Info sul continente non disponibili 55
OC - Oceania 31
AN - Antartide 1
Totale 62.360
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Nazione #
US - Stati Uniti d'America 27.516
NL - Olanda 9.506
GB - Regno Unito 6.848
CN - Cina 4.725
UA - Ucraina 2.234
SG - Singapore 2.080
SE - Svezia 1.354
IT - Italia 951
DE - Germania 858
TR - Turchia 849
FI - Finlandia 812
RU - Federazione Russa 769
BR - Brasile 602
KR - Corea 575
IE - Irlanda 437
VN - Vietnam 367
FR - Francia 353
CA - Canada 159
IN - India 141
BE - Belgio 100
AR - Argentina 72
BD - Bangladesh 69
JP - Giappone 57
EU - Europa 54
HK - Hong Kong 50
MX - Messico 44
ES - Italia 42
RO - Romania 40
ZA - Sudafrica 37
KE - Kenya 33
PL - Polonia 31
LT - Lituania 29
ID - Indonesia 28
AU - Australia 26
IQ - Iraq 24
PK - Pakistan 24
EC - Ecuador 21
CL - Cile 20
CZ - Repubblica Ceca 17
VE - Venezuela 17
CH - Svizzera 16
IL - Israele 15
PY - Paraguay 15
SA - Arabia Saudita 15
CO - Colombia 14
PT - Portogallo 14
UZ - Uzbekistan 13
AT - Austria 12
TG - Togo 12
MA - Marocco 11
PE - Perù 11
SK - Slovacchia (Repubblica Slovacca) 11
AZ - Azerbaigian 10
AL - Albania 9
EG - Egitto 9
JO - Giordania 9
AE - Emirati Arabi Uniti 8
DK - Danimarca 8
HU - Ungheria 8
IR - Iran 8
JM - Giamaica 8
LV - Lettonia 8
BG - Bulgaria 7
TH - Thailandia 7
CR - Costa Rica 6
MY - Malesia 6
PH - Filippine 6
GE - Georgia 5
LA - Repubblica Popolare Democratica del Laos 5
NZ - Nuova Zelanda 5
PA - Panama 5
TN - Tunisia 5
BO - Bolivia 4
MD - Moldavia 4
BY - Bielorussia 3
DO - Repubblica Dominicana 3
GT - Guatemala 3
LB - Libano 3
SN - Senegal 3
UY - Uruguay 3
AO - Angola 2
BA - Bosnia-Erzegovina 2
EE - Estonia 2
HN - Honduras 2
HR - Croazia 2
KG - Kirghizistan 2
KW - Kuwait 2
MM - Myanmar 2
NG - Nigeria 2
NI - Nicaragua 2
QA - Qatar 2
RS - Serbia 2
SI - Slovenia 2
TW - Taiwan 2
A2 - ???statistics.table.value.countryCode.A2??? 1
AF - Afghanistan, Repubblica islamica di 1
AG - Antigua e Barbuda 1
AM - Armenia 1
AQ - Antartide 1
BM - Bermuda 1
Totale 62.332
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Città #
Amsterdam 9.476
Southend 6.286
Dallas 4.565
Fairfield 2.815
Woodbridge 2.240
Ashburn 1.992
Jacksonville 1.793
Houston 1.760
Ann Arbor 1.574
Chandler 1.399
Seattle 1.173
Cambridge 1.150
Nanjing 1.121
San Jose 1.071
Singapore 1.019
Wilmington 1.012
Izmir 694
Dublin 437
Boardman 434
Nanchang 371
Beijing 359
Helsinki 273
New York 263
Princeton 257
San Mateo 240
Lauterbourg 237
Shenyang 222
Changsha 207
Düsseldorf 206
Council Bluffs 205
Hebei 199
Tianjin 184
Los Angeles 172
Jiaxing 166
Kunming 146
Ho Chi Minh City 139
Moscow 138
Urbino 121
Mülheim 116
Buffalo 115
San Diego 114
Des Moines 106
Santa Clara 101
Jinan 99
London 95
Brussels 93
Seongnam 93
Munich 90
Shanghai 90
Bremen 86
Hanoi 85
Hangzhou 83
Istanbul 81
San Francisco 74
Toronto 71
Velikiy Novgorod 71
Zhengzhou 69
Guangzhou 68
Ningbo 66
São Paulo 65
Frankfurt am Main 59
Milan 55
Orem 54
Lanzhou 53
Columbus 43
Venice 38
Taizhou 37
Montreal 34
Haikou 33
St Petersburg 32
Shenzhen 31
Changchun 30
Hong Kong 30
Chicago 29
Denver 28
Brooklyn 27
Chennai 26
Auburn Hills 25
The Dalles 24
Tokyo 24
Warsaw 24
Norwalk 23
Turku 23
Nairobi 22
Poplar 21
Rio de Janeiro 21
Stockholm 21
Brasília 20
Ottawa 20
West Jordan 20
Wuppertal 20
Manchester 18
Paris 18
Mcallen 17
Phoenix 17
Redwood City 17
Atlanta 16
Washington 16
Boston 15
Johannesburg 15
Totale 49.143
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Nome #
1,2-Diaza-1,3-butadienes: a new approach to the synthesis of selenoheterocycles 3.251
1-Amino-2-chloromethylene -2,3-dihydropyrroles by unusual reaction of conjugated azoalkenes with 2-chloro-1,3-dicarbonyl compounds 3.192
1,2-Diaza-1,3-butadienes: just a nice class of compounds, or powerful tools in organic chemistry? Reviewing an experience 3.174
1,3,5-Trisubstituted and acyl-1,3-disubstituted hydantoin derivatives via novel sequential three-component reaction 3.157
1,2-Diaza-1,3-butadienes as powerful tools in the synthesis of new 1,6-dithia-4,9-diazaspiro[4.4]non-2-enes and 1-oxa-6-thia-4,9-diazaspiro[4.4]non-7-enes 3.134
Facile Odourless Quantitative Synthesis of 3-Hydroxy-3,4-Dihydro-2H-1,4-Thiazines 405
Double Michael addition/aza-cyclization: a valuable sequence for the construction of symmetrical and unsymmetrical spirobarbiturate-pyridines 315
Synthesis of new cycloalkenyliden-pyrroles by domino reaction 307
A novel assembly of substituted pyrroles by acid-catalyzed sequential three-component reaction of amines, alkynoates, and 1,2-diaza-1,3-dienes 306
1-Aminopyrrole derivatives from conjugated azoalkenes. 304
A Novel Solvent-free Approach to Imidazole containing Nitrogen-Bridgehead Heterocycles 302
A Novel and Convenient Protocol for the Synthesis of Pyridazines 298
An alternative route to pyrrolotriazoles and other N-bridgehead heterocycles 297
Flexible protocol for the chemo- and regioselective building of pyrroles and pyrazoles by reactions of Danishefsky’s dienes with 1,2-diaza-1,3-butadienes 297
Facile and high yielding direct synthesis of 2-alkyliminothiazolines 294
Reactivity of 1,2-diaza-1,3-dienes with azomethine ylides: [3+4] versus [3+2] cycloadditions 283
Solvent-free reactions of some 1,2-diaza-1,3-butadienes with phosphites: environmentally friendly access to new diazaphospholes and E-hydrazonophosphonates 282
2-Oxohydrazones, 4-Hydrazono-1H-pyrazol-5-ones, and derived products by air oxidation of 1,2-hydrazino-hydrazones 281
Divergent Construction of Pyrazoles via Michael Addition of N‑Arylhydrazones to 1,2-Diaza-1,3-dienes 280
Synthesis of selenium-substituted pyrroles and pyrazol-3-ones 280
Zinc(II) triflate catalyzed divergent synthesis of polyfunctionalized pyrroles 280
Regioselective Formation of 5-​Methylene-​6-​methoxy-​1,​4,​5,​6-​tetrahydropyridazines from the [4+2]​-​Cycloaddition Reaction of In Situ Generated 1,​2-​Diaza-​1,​3-​dienes with Methoxyallene 280
Unexpected ring closure between hydrazono and nitro groups: a useful synthesis of substituted pyrazole N-oxides 276
Improved synthesis of pyrroles and indoles via Lewis acid-catalyzed Mukaiyama-Michael type addition/heterocyclization of enolsilyl derivatives with 1,2-diaza-1,3-butadienes. Role of the catalyst in the reaction mechanism 275
An efficient one-pot, three-component synthesis of 5-hydrazinoalkylidene rhodanines from 1,2-diaza-1,3-dienes 275
Copper(II)/Copper(I)-catalyzed aza-Michael addition/click reaction of in situ generated alpha-azidohydrazones: synthesis of novel pyrazolone-triazole framework 273
Access to novel imidazo[1,5-a]pyrazine scaffolds by the combined use of a three-component reaction and a base-assisted intramolecular cyclization 269
Regioselective [1N+2C+2C] assembly of fully decorated pyrroles from primary amines, 1,2-diaza-1,3-dienes and 2,3-allenoates 269
Cultivating the passion to build heterocycles from 1,2-diaza-1,3-dienes: the force of the imagination 267
Synthesis of functionalized pyrroles via catalyst- and solvent-free sequential three-component enamine-azoene annulation 265
Tetrabromo Hydrogenated Cardanol:Efficient and Renewable BrominatingAgent 264
Lewis acid-catalyzed synthesis of functionalized pyrroles 264
13C NMR chemical shift assignments for some 1-aminopyrrole derivatives 263
Cardanolo: una preziosa materia prima rinnovabile 262
Synthesis of Tetrahydropyridazine Amino Acid Derivatives by a Formal [4+2| Cycloaddition Reaction of 1,​2-​Diaza-​1,​3-​dienes with Dehydroalanine Esters 262
Reactions of 1,2-diaza-1,3-butadienes with propargyl alcohol as approach to novel bi-heterocyclic systems 258
Unexpected regioselectivity in the reaction between cycloalkenyl-1-diazenes and thioamides: useful entry to fused cycloalkyl-thiazoline and cycloalkyl-thiazoline-pyrazole systems 254
Interceptive [4 + 1] Annulation of in Situ Generated 1,2-Diaza-1,3-dienes with Diazo Esters: Direct Access to Substituted Mono-, Bi-, and Tricyclic 4,5-Dihydropyrazoles 254
Novel Tetrahydropyridazines by Unusual Aza-Diels-Alder Reaction of Electron-poor 1,2-Diaza-1,3-dienes with Electron-poor Alkenes under Solvent Free Conditions 253
Direct access to variously substituted 2-imino-4-thiazolines 251
Electrophilic reactivities of 1,2-diaza-1,3-dienes 250
Eclectic 1-aryl-1,2-diaza-1,3-butadienes: valuable tools for the preparation of pyrrol-2-ones, 1-arylpyrazoles, 2-(3-oxopyrazol-4-yl)malonates and 4-(2-oxopyrrol-3-yl)pyrazol-3-ones 249
A new convenient liquid- and solid-phase synthesis of quinoxalines from (E)-3-diazenylbut-2-enes 248
From targeted aza-Michael addition to linked azaheterocyclic scaffolds 248
Facile synthesis of new substituted tetrahydro-1H-indoles 246
Absolute rate constants for the reaction of peroxyl radicals with cardanol derivatives 245
Synthesis and transition metal catalysed reactions of 1-ureido-3-propargyl-2,3-dihydropyrrol-2-ols, 1-ureido-3-propargylpyrroles and 1-ureido-3-propargyl-3-phosphono-1H-pyrrol-2(3H)-ones 244
Easy access to (E,Z)-β-nitro-α-β-olefinated hydrazones, 6-oxo-1,6-dihydropyridazines, and 4-chloro-1-aminopyrroles by domino reactions of 1,2-diaza-1,3-butadienes with halogen-coactivated methylene or methine compounds 241
Unusual peptidomimetic reaction of 1,2-diaza-1,3-butadienes: straightforward entry to 2,3,6-triazabicyclo[3.2.1]oct-3-enes, 5-oxo-4,5-dihydro-2-pyrazines, and 2-carbonyl-2-oxopropylaminoacetates 239
Solid-phase synthesis of triphenylphosphoranylidene-4,5-dihydropyrazol-5-ones, 4-aminocarbonyl-pyrroles, 4-methoxy-1H-pyrazol-5(2H)-ones and 1,2-thiazolin-4-ones from polymer-bound 1,2-diaza-1,3-butadienes 237
Organocatalyzed synthesis of chiral non racemic 1,4-dihydropyridazines 237
Reaction of some 1,2-diaza-1,3-butadienes with activated methine compounds. A straightforward entry to 1,4-dihydropyridazine, pyridazine, and 4,5(4H,5H)-cyclopropylpyrazole derivatives 236
Carbon-phosphorus bond formation and transformation in the reaction of 1,2-diaza-1,3-butadienes with alkyl phenylphosphonites 234
Polycrystalline TiO2 impregnated with cardanol-based porphyrins for the photocatalytic degradation of 4-nitrophenol 233
Convenient access to new 2-selenazolin-4-one and 2-selenazoline derivatives from 1,2-diaza-1,3-butadienes 233
Synthesis of biphenylyltetrazole derivatives of 1-aminopyrroles as Angiotensin II antagonists 231
Regioselective synthesis of stable 2-(trifluoromethyl)-2,3-dihydro-1H-pyrrol-2ols and derived fluorinated heterocycles 231
Straightforward entry to new 4-substituted-1,2,3-thiadiazoles from 1,2-diaza-1,3-butadienes via Hurd-Mori reaction 230
Aspects of the chemistry of functionalized 1-phenylpyrazoles available from 1,2-diaza-1,3-butadienes and 2-phenylazo-1,3-dicarbonyl compounds 230
Effect of Hydrogenated cardanol on the Structure of Model Membranes Studied by EPR and NMR 229
Synthesis and reactions of nitro derivatives of hydrogenated cardanol 228
Amphiphilic antioxidants from "cashew nut shell liquid" (CNSL) waste 228
Highly diastereoselective 1,3-dipolar cycloadditions of chiral non-racemic nitrones to 1,2-diaza-1,3-dienes: an experimental and computational investigation 228
Efficient synthesis of novel polyfunctionalised 4,5'-bithiazol-4'-ol derivatives 227
Divergent Regioselective Synthesis of 2,5,6,7-Tetrahydro-1H-1,4-diazepin-2-ones and 5H-1,4-Benzodiazepines 227
Regio- and stereoselective one-pot synthesis of unknown oxazoline-fused pyridazines by ’Michael addition/pyridazine cyclization/oxazoline cyclization’ cascade reactions of 4-chloro-1,2-diaza-1,3-butadienes with 3-dimethylaminopropenoates 226
A facile synthesis of deaza analogues of the bis-​indole marine alkaloid topsentin 225
"Effect of metal ions in organic synthesis. Part XVI. Knoevenagel condensations of aldehydes and tosylhydrazones with 2,4-pentanedione by copper(II) chloride-catalyzed reaction 224
2-Substituted-4-hydroxy-5-acetylthiazoles 224
PEG-immobilization of cardol and soluble polymer-supported synthesis of some cardol–coumarin derivatives: Preliminary evaluation of their inhibitory activity on mushroom tyrosinase 223
Phospha-Michael-type reaction between 1,2-diaza-1,3-dienes and bidentate nucleophiles: formation of new mono- and diylides and their elaboration to heterocycles 223
Inverse electron-demand Diels-Alder reactions of (E)-3-diazenylbut-2-enes in water 223
Synthesis of new cardanol derivatives through combined iodination/palladium-catalysed cross coupling reactions 222
Unusual (4+2)-cycloaddition reaction between electron poor 1,2-diaza-1,3-dienes and electron poor alkenes: useful entry to novel tetrahydropyridazines 222
Reaction between conjugated azoalkenes and pyrazolinones: a precious entry to new conjugated azodiene and asymmetric 4,4'-bipyrazole derivatives 222
Chemo, regio, and stereoselectivity in the olefination of hydrazone 1,4-adducts between conjugated azoalkenes and sulphur co-activated methylene compounds 222
Regioselective role of the hydrazide moiety in the formation of complex pyrrole-pyrazole systems 221
Regioselective synthesis of new 1-aminopyrroles and 1-amino-4,5,6,7-tetrahydroindoles by one-pot 'conjugate addition/cyclization' reactions of 1,3-bis(silyl enol ethers) with 1,2-diaza-1,3-butadienes 218
Study of the nucleophilic behaviour of N-phenylbenzamidine towards 1,2-diaza-1,3-dienes: domino reactions for imidazole scaffolds 217
Regioselective synthesis of spiro-cyclopropanated 1-aminopyrrol-2-ones by Bi(OTf)3-catalyzed one-pot ‘Mukaiyama-Michael addition/cyclization/ring-contraction’ reactions of 1,2-bis(trimethylsilyloxy)cyclobutene with 1,2-diaza-1,3-butadienes 217
Synthesis of novel lipophilic porphyrin-cardanol derivatives 216
Efficient synthesis and environmentally friendly reactions of PEG-supported 1,2-diaza-1,3-butadiene 216
Simple Construction of Fused and Spiro Nitrogen/Sulfur Containing Heterocycles by Addition of Thioamides or Thioureas on Cycloalkenyl-diazenes: Examples of Click Chemistry 215
alpha-Aminoester-derived Imidazoles by 1,5-Electrocyclization of Azavinyl Azomethine Ylides 214
“About the synthesis of t-butyl-5-pentadecylphenol derivatives - A letter regarding “Novel antioxidants from Cashew Nut Shell Liquid applied to gasoline stabilization” by T. N. Castro Dantas et al., Fuel, 82 (2003) 1465-1469 212
First preparation and reaction of polymer-bound 1,2-diaza-1,3-butadienes. A convenient entry to 4-triphenylphosphoranilidene-4,5-dihydropyrazol-5-ones 212
Azavinyl Azomethine Ylides fromThermal Ring Opening ofr-Aziridinohydrazones: Unprecedented1,5-Electrocyclization to Imidazoles 210
Easy synthesis of new 2-oxo-2,3-dihydro-1H-pyrrolo[1,2-b]pyrazole systems 208
Reaction of 1,2-Diaza-1,3-butadienes with thiol derivates: a versatile construction of nitrogen/sulfur containing heterocycles 208
The kinetic mechanism of horse liver alcohol dehydrogenase with thio-NAD as co-enzyme 207
tert-Butyl 2-{1-[2-aryl-4-oxo-thiazol-5(4H)-ylidene]ethyl}diazene-1-carboxylates: a new class of 1,2-diaza-1,3-butadienes 207
Divergent base-induced reactivity of cycloalkenyl-1-diazenes 207
Synthesis, reaction, theoretical calculation, NMR study and X-ray crystal structure of 1-substituted and 1-unsubstituted 1H-pyrazol-5(2H)-ones 206
Synthesis of Highly Functionalized 1,3-Oxathiazoles via an Unusual [4+1] Annulation alpha,alpha'-Dioxothione with 1,2-Diaza-1,3-dienes 206
On the reactivity of some 2-methyleneindolines with β-nitroenamines, α-nitroalkenes, and 1,2-diaza-1,3-butadienes 205
Straightforward access to pyrazines, piperazinones, and quinoxalines by reaction of 1,2-diaza-1,3-butadienes with 1,2-diamines under solution, solvent free, or solid-phase conditions 205
α-Azido Ketones, Part 8: Base-Induced Coupling of α-Azido Ketones with a 1,2-Diaza-1,3-diene as a Michael Acceptor 204
Reaction of 1,2-diaza-1,3-butadienes with amino-phosphorus nucleophiles: a pratical access to new phosphorylated-pyrazolones. 203
13C chemical shift assignment of some 1-arylamino-3-aminocarbonylpyrroles 203
Effect of metal ions in organic synthesis. XVIII. A simple and high-yield direct synthesis of 1-arylamino-3-aminocarbonylpyrroles by the copper(II) chloride-catalyzed reaction of arylazoalkenes with 3-oxoalkanamides 202
Totale 39.157
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Categoria #
all - tutte 179.840
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 179.840
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021252 0 0 0 0 0 0 0 0 0 0 0 252
2021/20222.787 213 342 317 480 66 62 123 161 170 169 34 650
2022/20233.984 449 258 73 443 419 865 7 254 674 124 308 110
2023/2024914 120 99 60 60 62 261 16 67 5 95 20 49
2024/20253.647 169 296 808 185 167 314 362 221 429 241 202 253
2025/202621.131 571 1.842 3.973 1.241 648 515 1.046 287 9.903 560 383 162
Totale 62.643