IRIS
ATTANASI, ORAZIO ANTONIO
 Distribuzione geografica
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Continente #
NA - Nord America 28.043
EU - Europa 24.537
AS - Asia 9.194
SA - Sud America 788
Continente sconosciuto - Info sul continente non disponibili 338
AF - Africa 122
OC - Oceania 31
AN - Antartide 1
Totale 63.054
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Nazione #
US - Stati Uniti d'America 27.776
NL - Olanda 9.506
GB - Regno Unito 6.850
CN - Cina 4.749
UA - Ucraina 2.236
SG - Singapore 2.116
SE - Svezia 1.354
IT - Italia 967
DE - Germania 860
TR - Turchia 849
FI - Finlandia 813
RU - Federazione Russa 769
BR - Brasile 605
KR - Corea 578
IE - Irlanda 438
VN - Vietnam 367
FR - Francia 355
CA - Canada 170
IN - India 141
BE - Belgio 100
AR - Argentina 73
BD - Bangladesh 70
HK - Hong Kong 58
JP - Giappone 57
EU - Europa 54
ES - Italia 50
MX - Messico 49
RO - Romania 40
ZA - Sudafrica 37
KE - Kenya 33
PL - Polonia 32
LT - Lituania 30
ID - Indonesia 28
AU - Australia 26
IQ - Iraq 24
PK - Pakistan 24
EC - Ecuador 21
CL - Cile 20
CO - Colombia 18
CZ - Repubblica Ceca 17
VE - Venezuela 17
CH - Svizzera 16
IL - Israele 15
PY - Paraguay 15
SA - Arabia Saudita 15
AT - Austria 14
PT - Portogallo 14
UZ - Uzbekistan 13
TG - Togo 12
CR - Costa Rica 11
MA - Marocco 11
PE - Perù 11
SK - Slovacchia (Repubblica Slovacca) 11
AZ - Azerbaigian 10
JM - Giamaica 10
AL - Albania 9
EG - Egitto 9
JO - Giordania 9
AE - Emirati Arabi Uniti 8
DK - Danimarca 8
HU - Ungheria 8
IR - Iran 8
LV - Lettonia 8
TH - Thailandia 8
BG - Bulgaria 7
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
BY - Bielorussia 4
GT - Guatemala 4
MD - Moldavia 4
UY - Uruguay 4
BA - Bosnia-Erzegovina 3
DO - Repubblica Dominicana 3
LB - Libano 3
SN - Senegal 3
SV - El Salvador 3
TW - Taiwan 3
AO - Angola 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
TT - Trinidad e Tobago 2
A2 - ???statistics.table.value.countryCode.A2??? 1
AF - Afghanistan, Repubblica islamica di 1
AG - Antigua e Barbuda 1
AM - Armenia 1
Totale 62.742
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Città #
Amsterdam 9.476
Southend 6.286
Dallas 4.569
Fairfield 2.815
Woodbridge 2.240
Ashburn 2.015
Jacksonville 1.793
Houston 1.762
Ann Arbor 1.574
Chandler 1.399
Seattle 1.173
Cambridge 1.150
Nanjing 1.121
San Jose 1.071
Singapore 1.028
Wilmington 1.012
Izmir 694
Dublin 438
Boardman 434
Nanchang 371
Beijing 370
Council Bluffs 277
Helsinki 273
New York 264
Princeton 257
San Mateo 240
Lauterbourg 237
Shenyang 222
Changsha 207
Düsseldorf 206
Hebei 199
Tianjin 184
Los Angeles 174
Jiaxing 166
Kunming 146
Santa Clara 144
Ho Chi Minh City 139
Moscow 138
Urbino 121
Buffalo 116
Mülheim 116
San Diego 114
Des Moines 106
Jinan 100
London 96
Brussels 93
Seongnam 93
Shanghai 92
Munich 90
Bremen 86
Hanoi 85
Hangzhou 83
Istanbul 81
San Francisco 76
Toronto 71
Velikiy Novgorod 71
Zhengzhou 69
Guangzhou 68
Ningbo 66
São Paulo 65
Frankfurt am Main 61
Milan 57
Orem 54
Lanzhou 53
Columbus 43
Hong Kong 38
Venice 38
Taizhou 37
Montreal 34
Haikou 33
St Petersburg 32
Shenzhen 31
Changchun 30
Chicago 29
Brooklyn 28
Denver 28
Chennai 26
Auburn Hills 25
Warsaw 25
The Dalles 24
Tokyo 24
Norwalk 23
Phoenix 23
Turku 23
Nairobi 22
Poplar 21
Rio de Janeiro 21
Stockholm 21
Brasília 20
Ottawa 20
Rome 20
West Jordan 20
Wuppertal 20
Manchester 18
Mexico City 18
Paris 18
Atlanta 17
Mcallen 17
Redwood City 17
Washington 16
Totale 49.347
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Nome #
1,2-Diaza-1,3-butadienes: a new approach to the synthesis of selenoheterocycles 3.257
1-Amino-2-chloromethylene -2,3-dihydropyrroles by unusual reaction of conjugated azoalkenes with 2-chloro-1,3-dicarbonyl compounds 3.198
1,2-Diaza-1,3-butadienes: just a nice class of compounds, or powerful tools in organic chemistry? Reviewing an experience 3.177
1,3,5-Trisubstituted and acyl-1,3-disubstituted hydantoin derivatives via novel sequential three-component reaction 3.165
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 3.140
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 317
Synthesis of new cycloalkenyliden-pyrroles by domino reaction 308
A novel assembly of substituted pyrroles by acid-catalyzed sequential three-component reaction of amines, alkynoates, and 1,2-diaza-1,3-dienes 308
1-Aminopyrrole derivatives from conjugated azoalkenes. 307
A Novel Solvent-free Approach to Imidazole containing Nitrogen-Bridgehead Heterocycles 306
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 304
A Novel and Convenient Protocol for the Synthesis of Pyridazines 299
An alternative route to pyrrolotriazoles and other N-bridgehead heterocycles 298
Facile and high yielding direct synthesis of 2-alkyliminothiazolines 296
2-Oxohydrazones, 4-Hydrazono-1H-pyrazol-5-ones, and derived products by air oxidation of 1,2-hydrazino-hydrazones 288
Zinc(II) triflate catalyzed divergent synthesis of polyfunctionalized pyrroles 286
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 286
Reactivity of 1,2-diaza-1,3-dienes with azomethine ylides: [3+4] versus [3+2] cycloadditions 284
Divergent Construction of Pyrazoles via Michael Addition of N‑Arylhydrazones to 1,2-Diaza-1,3-dienes 282
Synthesis of selenium-substituted pyrroles and pyrazol-3-ones 282
Solvent-free reactions of some 1,2-diaza-1,3-butadienes with phosphites: environmentally friendly access to new diazaphospholes and E-hydrazonophosphonates 282
Unexpected ring closure between hydrazono and nitro groups: a useful synthesis of substituted pyrazole N-oxides 277
An efficient one-pot, three-component synthesis of 5-hydrazinoalkylidene rhodanines from 1,2-diaza-1,3-dienes 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
Access to novel imidazo[1,5-a]pyrazine scaffolds by the combined use of a three-component reaction and a base-assisted intramolecular cyclization 274
Copper(II)/Copper(I)-catalyzed aza-Michael addition/click reaction of in situ generated alpha-azidohydrazones: synthesis of novel pyrazolone-triazole framework 273
Cultivating the passion to build heterocycles from 1,2-diaza-1,3-dienes: the force of the imagination 269
Regioselective [1N+2C+2C] assembly of fully decorated pyrroles from primary amines, 1,2-diaza-1,3-dienes and 2,3-allenoates 269
Tetrabromo Hydrogenated Cardanol:Efficient and Renewable BrominatingAgent 267
Lewis acid-catalyzed synthesis of functionalized pyrroles 267
Cardanolo: una preziosa materia prima rinnovabile 266
Synthesis of functionalized pyrroles via catalyst- and solvent-free sequential three-component enamine-azoene annulation 265
13C NMR chemical shift assignments for some 1-aminopyrrole derivatives 264
Synthesis of Tetrahydropyridazine Amino Acid Derivatives by a Formal [4+2| Cycloaddition Reaction of 1,​2-​Diaza-​1,​3-​dienes with Dehydroalanine Esters 263
Reactions of 1,2-diaza-1,3-butadienes with propargyl alcohol as approach to novel bi-heterocyclic systems 259
Unexpected regioselectivity in the reaction between cycloalkenyl-1-diazenes and thioamides: useful entry to fused cycloalkyl-thiazoline and cycloalkyl-thiazoline-pyrazole systems 257
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 256
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 255
Electrophilic reactivities of 1,2-diaza-1,3-dienes 252
Direct access to variously substituted 2-imino-4-thiazolines 251
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 250
A new convenient liquid- and solid-phase synthesis of quinoxalines from (E)-3-diazenylbut-2-enes 249
From targeted aza-Michael addition to linked azaheterocyclic scaffolds 249
Facile synthesis of new substituted tetrahydro-1H-indoles 248
Absolute rate constants for the reaction of peroxyl radicals with cardanol derivatives 246
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 246
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 242
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 242
Carbon-phosphorus bond formation and transformation in the reaction of 1,2-diaza-1,3-butadienes with alkyl phenylphosphonites 240
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 240
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
Polycrystalline TiO2 impregnated with cardanol-based porphyrins for the photocatalytic degradation of 4-nitrophenol 239
Organocatalyzed synthesis of chiral non racemic 1,4-dihydropyridazines 238
Convenient access to new 2-selenazolin-4-one and 2-selenazoline derivatives from 1,2-diaza-1,3-butadienes 235
Aspects of the chemistry of functionalized 1-phenylpyrazoles available from 1,2-diaza-1,3-butadienes and 2-phenylazo-1,3-dicarbonyl compounds 234
Regioselective synthesis of stable 2-(trifluoromethyl)-2,3-dihydro-1H-pyrrol-2ols and derived fluorinated heterocycles 234
Synthesis of biphenylyltetrazole derivatives of 1-aminopyrroles as Angiotensin II antagonists 233
Amphiphilic antioxidants from "cashew nut shell liquid" (CNSL) waste 231
Synthesis and reactions of nitro derivatives of hydrogenated cardanol 230
Straightforward entry to new 4-substituted-1,2,3-thiadiazoles from 1,2-diaza-1,3-butadienes via Hurd-Mori reaction 230
Divergent Regioselective Synthesis of 2,5,6,7-Tetrahydro-1H-1,4-diazepin-2-ones and 5H-1,4-Benzodiazepines 230
Effect of Hydrogenated cardanol on the Structure of Model Membranes Studied by EPR and NMR 230
Highly diastereoselective 1,3-dipolar cycloadditions of chiral non-racemic nitrones to 1,2-diaza-1,3-dienes: an experimental and computational investigation 230
Efficient synthesis of novel polyfunctionalised 4,5'-bithiazol-4'-ol derivatives 228
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 228
Synthesis of new cardanol derivatives through combined iodination/palladium-catalysed cross coupling reactions 227
A facile synthesis of deaza analogues of the bis-​indole marine alkaloid topsentin 227
PEG-immobilization of cardol and soluble polymer-supported synthesis of some cardol–coumarin derivatives: Preliminary evaluation of their inhibitory activity on mushroom tyrosinase 225
2-Substituted-4-hydroxy-5-acetylthiazoles 225
Reaction between conjugated azoalkenes and pyrazolinones: a precious entry to new conjugated azodiene and asymmetric 4,4'-bipyrazole derivatives 225
Inverse electron-demand Diels-Alder reactions of (E)-3-diazenylbut-2-enes in water 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
Unusual (4+2)-cycloaddition reaction between electron poor 1,2-diaza-1,3-dienes and electron poor alkenes: useful entry to novel tetrahydropyridazines 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
Chemo, regio, and stereoselectivity in the olefination of hydrazone 1,4-adducts between conjugated azoalkenes and sulphur co-activated methylene compounds 223
Regioselective role of the hydrazide moiety in the formation of complex pyrrole-pyrazole systems 222
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 222
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 218
Efficient synthesis and environmentally friendly reactions of PEG-supported 1,2-diaza-1,3-butadiene 218
Synthesis of novel lipophilic porphyrin-cardanol derivatives 217
alpha-Aminoester-derived Imidazoles by 1,5-Electrocyclization of Azavinyl Azomethine Ylides 215
Simple Construction of Fused and Spiro Nitrogen/Sulfur Containing Heterocycles by Addition of Thioamides or Thioureas on Cycloalkenyl-diazenes: Examples of Click Chemistry 215
Azavinyl Azomethine Ylides fromThermal Ring Opening ofr-Aziridinohydrazones: Unprecedented1,5-Electrocyclization to Imidazoles 214
First preparation and reaction of polymer-bound 1,2-diaza-1,3-butadienes. A convenient entry to 4-triphenylphosphoranilidene-4,5-dihydropyrazol-5-ones 213
“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
Reaction of 1,2-Diaza-1,3-butadienes with thiol derivates: a versatile construction of nitrogen/sulfur containing heterocycles 212
Easy synthesis of new 2-oxo-2,3-dihydro-1H-pyrrolo[1,2-b]pyrazole systems 211
Divergent base-induced reactivity of cycloalkenyl-1-diazenes 211
Synthesis of Highly Functionalized 1,3-Oxathiazoles via an Unusual [4+1] Annulation alpha,alpha'-Dioxothione with 1,2-Diaza-1,3-dienes 208
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 208
The kinetic mechanism of horse liver alcohol dehydrogenase with thio-NAD as co-enzyme 207
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 207
Synthesis, reaction, theoretical calculation, NMR study and X-ray crystal structure of 1-substituted and 1-unsubstituted 1H-pyrazol-5(2H)-ones 206
On the reactivity of some 2-methyleneindolines with β-nitroenamines, α-nitroalkenes, and 1,2-diaza-1,3-butadienes 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 205
13C chemical shift assignment of some 1-arylamino-3-aminocarbonylpyrroles 205
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 203
Pyrido[3,4-c]thiazoles through combined palladium-catalysed coupling of 2-substituted-5-acetyl-4-thiazolyl triflates with alkynes/annulation reactions 203
Totale 39.373
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Categoria #
all - tutte 184.236
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 184.236
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20222.574 0 342 317 480 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
2025/202621.172 571 1.842 3.973 1.241 648 515 1.046 287 9.903 560 383 203
2026/2027370 218 152 0 0 0 0 0 0 0 0 0 0
Totale 63.054