statistiche ricercatore

ATTANASI, ORAZIO ANTONIO

Distribuzione geografica

Continente	#
NA - Nord America	29.349
EU - Europa	24.675
AS - Asia	9.236
SA - Sud America	865
Continente sconosciuto - Info sul continente non disponibili	342
AF - Africa	126
OC - Oceania	31
AN - Antartide	1
Totale	64.625

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Nazione	#
US - Stati Uniti d'America	28.969
NL - Olanda	9.507
GB - Regno Unito	6.879
CN - Cina	4.757
UA - Ucraina	2.236
SG - Singapore	2.120
SE - Svezia	1.354
IT - Italia	1.056
DE - Germania	868
TR - Turchia	850
FI - Finlandia	813
RU - Federazione Russa	769
BR - Brasile	649
KR - Corea	578
IE - Irlanda	438
VN - Vietnam	368
FR - Francia	358
CA - Canada	233
IN - India	141
BE - Belgio	100
AR - Argentina	75
BD - Bangladesh	72
HK - Hong Kong	62
JP - Giappone	57
EU - Europa	54
MX - Messico	52
ES - Italia	50
RO - Romania	40
ZA - Sudafrica	37
KE - Kenya	34
EC - Ecuador	32
PL - Polonia	32
CO - Colombia	31
ID - Indonesia	31
LT - Lituania	30
AU - Australia	26
CR - Costa Rica	25
IQ - Iraq	24
PK - Pakistan	24
VE - Venezuela	24
CL - Cile	20
SA - Arabia Saudita	18
CZ - Repubblica Ceca	17
CH - Svizzera	16
IL - Israele	15
PY - Paraguay	15
AT - Austria	14
PT - Portogallo	14
JM - Giamaica	13
UZ - Uzbekistan	13
MA - Marocco	12
TG - Togo	12
PE - Perù	11
PH - Filippine	11
SK - Slovacchia (Repubblica Slovacca)	11
TH - Thailandia	11
AZ - Azerbaigian	10
GT - Guatemala	10
JO - Giordania	10
AL - Albania	9
DK - Danimarca	9
EG - Egitto	9
LV - Lettonia	9
MY - Malesia	9
NI - Nicaragua	9
AE - Emirati Arabi Uniti	8
EE - Estonia	8
HU - Ungheria	8
IR - Iran	8
BG - Bulgaria	7
GE - Georgia	6
GP - Guadalupe	5
HN - Honduras	5
LA - Repubblica Popolare Democratica del Laos	5
NZ - Nuova Zelanda	5
PA - Panama	5
SV - El Salvador	5
TN - Tunisia	5
TT - Trinidad e Tobago	5
BO - Bolivia	4
BY - Bielorussia	4
CW - ???statistics.table.value.countryCode.CW???	4
MD - Moldavia	4
UY - Uruguay	4
BA - Bosnia-Erzegovina	3
DO - Repubblica Dominicana	3
LB - Libano	3
MM - Myanmar	3
SN - Senegal	3
TW - Taiwan	3
AM - Armenia	2
AO - Angola	2
GD - Grenada	2
HR - Croazia	2
KG - Kirghizistan	2
KW - Kuwait	2
NG - Nigeria	2
NP - Nepal	2
QA - Qatar	2
RS - Serbia	2
Totale	64.305

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Città	#
Amsterdam	9.476
Southend	6.286
Dallas	4.583
Fairfield	2.815
Ashburn	2.280
Woodbridge	2.240
Jacksonville	1.793
Houston	1.763
Ann Arbor	1.574
Chandler	1.399
San Jose	1.182
Seattle	1.176
Cambridge	1.150
Nanjing	1.121
Singapore	1.030
Wilmington	1.014
Izmir	694
Boardman	439
Dublin	438
Council Bluffs	417
Beijing	374
Nanchang	371
New York	275
Helsinki	273
Princeton	257
San Mateo	240
Lauterbourg	237
Shenyang	222
Changsha	207
Düsseldorf	206
Hebei	199
Santa Clara	195
Tianjin	184
Los Angeles	181
Jiaxing	166
Kunming	146
Ho Chi Minh City	139
Moscow	138
Urbino	122
Buffalo	117
Mülheim	116
San Diego	115
Des Moines	106
Jinan	100
London	97
Brussels	93
Seongnam	93
Shanghai	93
São Paulo	91
Munich	90
Toronto	90
Bremen	87
Hanoi	85
Hangzhou	83
Istanbul	82
San Francisco	81
Velikiy Novgorod	71
Zhengzhou	69
Guangzhou	68
Ningbo	66
Frankfurt am Main	63
Milan	63
Orem	55
Lanzhou	53
Columbus	45
Chicago	42
Hong Kong	42
Venice	39
Taizhou	37
Montreal	34
Haikou	33
St Petersburg	32
Phoenix	31
Shenzhen	31
Brooklyn	30
Changchun	30
Denver	30
Rome	29
Chennai	26
Atlanta	25
Auburn Hills	25
Brasília	25
Warsaw	25
The Dalles	24
Tokyo	24
Norwalk	23
Turku	23
Nairobi	22
Poplar	21
Rio de Janeiro	21
Stockholm	21
Ottawa	20
West Jordan	20
Wuppertal	20
Manchester	19
Mexico City	19
San José	19
Paris	18
Boston	17
Mcallen	17
Totale	50.088

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Nome	#
1,2-Diaza-1,3-butadienes: a new approach to the synthesis of selenoheterocycles	3.277
1-Amino-2-chloromethylene -2,3-dihydropyrroles by unusual reaction of conjugated azoalkenes with 2-chloro-1,3-dicarbonyl compounds	3.214
1,2-Diaza-1,3-butadienes: just a nice class of compounds, or powerful tools in organic chemistry? Reviewing an experience	3.196
1,3,5-Trisubstituted and acyl-1,3-disubstituted hydantoin derivatives via novel sequential three-component reaction	3.181
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	3.168
Facile Odourless Quantitative Synthesis of 3-Hydroxy-3,4-Dihydro-2H-1,4-Thiazines	420
Double Michael addition/aza-cyclization: a valuable sequence for the construction of symmetrical and unsymmetrical spirobarbiturate-pyridines	329
1-Aminopyrrole derivatives from conjugated azoalkenes.	314
Synthesis of new cycloalkenyliden-pyrroles by domino reaction	314
A novel assembly of substituted pyrroles by acid-catalyzed sequential three-component reaction of amines, alkynoates, and 1,2-diaza-1,3-dienes	313
A Novel Solvent-free Approach to Imidazole containing Nitrogen-Bridgehead Heterocycles	312
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	308
A Novel and Convenient Protocol for the Synthesis of Pyridazines	306
2-Oxohydrazones, 4-Hydrazono-1H-pyrazol-5-ones, and derived products by air oxidation of 1,2-hydrazino-hydrazones	305
An alternative route to pyrrolotriazoles and other N-bridgehead heterocycles	305
Facile and high yielding direct synthesis of 2-alkyliminothiazolines	304
Divergent Construction of Pyrazoles via Michael Addition of N‑Arylhydrazones to 1,2-Diaza-1,3-dienes	293
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	293
Zinc(II) triflate catalyzed divergent synthesis of polyfunctionalized pyrroles	290
Reactivity of 1,2-diaza-1,3-dienes with azomethine ylides: [3+4] versus [3+2] cycloadditions	290
Solvent-free reactions of some 1,2-diaza-1,3-butadienes with phosphites: environmentally friendly access to new diazaphospholes and E-hydrazonophosphonates	288
Synthesis of selenium-substituted pyrroles and pyrazol-3-ones	285
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	284
Copper(II)/Copper(I)-catalyzed aza-Michael addition/click reaction of in situ generated alpha-azidohydrazones: synthesis of novel pyrazolone-triazole framework	283
Unexpected ring closure between hydrazono and nitro groups: a useful synthesis of substituted pyrazole N-oxides	281
Cardanolo: una preziosa materia prima rinnovabile	280
An efficient one-pot, three-component synthesis of 5-hydrazinoalkylidene rhodanines from 1,2-diaza-1,3-dienes	280
Access to novel imidazo[1,5-a]pyrazine scaffolds by the combined use of a three-component reaction and a base-assisted intramolecular cyclization	278
Regioselective [1N+2C+2C] assembly of fully decorated pyrroles from primary amines, 1,2-diaza-1,3-dienes and 2,3-allenoates	278
Tetrabromo Hydrogenated Cardanol:Efficient and Renewable BrominatingAgent	276
13C NMR chemical shift assignments for some 1-aminopyrrole derivatives	275
Cultivating the passion to build heterocycles from 1,2-diaza-1,3-dienes: the force of the imagination	275
Synthesis of Tetrahydropyridazine Amino Acid Derivatives by a Formal [4+2\| Cycloaddition Reaction of 1,2-Diaza-1,3-dienes with Dehydroalanine Esters	272
Lewis acid-catalyzed synthesis of functionalized pyrroles	270
Synthesis of functionalized pyrroles via catalyst- and solvent-free sequential three-component enamine-azoene annulation	269
Reactions of 1,2-diaza-1,3-butadienes with propargyl alcohol as approach to novel bi-heterocyclic systems	269
Electrophilic reactivities of 1,2-diaza-1,3-dienes	265
Unexpected regioselectivity in the reaction between cycloalkenyl-1-diazenes and thioamides: useful entry to fused cycloalkyl-thiazoline and cycloalkyl-thiazoline-pyrazole systems	261
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	261
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	259
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	257
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	254
Polycrystalline TiO2 impregnated with cardanol-based porphyrins for the photocatalytic degradation of 4-nitrophenol	254
Direct access to variously substituted 2-imino-4-thiazolines	254
Facile synthesis of new substituted tetrahydro-1H-indoles	253
From targeted aza-Michael addition to linked azaheterocyclic scaffolds	253
A new convenient liquid- and solid-phase synthesis of quinoxalines from (E)-3-diazenylbut-2-enes	252
Absolute rate constants for the reaction of peroxyl radicals with cardanol derivatives	252
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	252
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	251
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	246
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	244
Carbon-phosphorus bond formation and transformation in the reaction of 1,2-diaza-1,3-butadienes with alkyl phenylphosphonites	244
Convenient access to new 2-selenazolin-4-one and 2-selenazoline derivatives from 1,2-diaza-1,3-butadienes	242
Organocatalyzed synthesis of chiral non racemic 1,4-dihydropyridazines	241
Synthesis of new cardanol derivatives through combined iodination/palladium-catalysed cross coupling reactions	238
Aspects of the chemistry of functionalized 1-phenylpyrazoles available from 1,2-diaza-1,3-butadienes and 2-phenylazo-1,3-dicarbonyl compounds	238
Regioselective synthesis of stable 2-(trifluoromethyl)-2,3-dihydro-1H-pyrrol-2ols and derived fluorinated heterocycles	238
Synthesis and reactions of nitro derivatives of hydrogenated cardanol	237
Synthesis of biphenylyltetrazole derivatives of 1-aminopyrroles as Angiotensin II antagonists	236
PEG-immobilization of cardol and soluble polymer-supported synthesis of some cardol–coumarin derivatives: Preliminary evaluation of their inhibitory activity on mushroom tyrosinase	236
Effect of Hydrogenated cardanol on the Structure of Model Membranes Studied by EPR and NMR	236
Highly diastereoselective 1,3-dipolar cycloadditions of chiral non-racemic nitrones to 1,2-diaza-1,3-dienes: an experimental and computational investigation	235
Straightforward entry to new 4-substituted-1,2,3-thiadiazoles from 1,2-diaza-1,3-butadienes via Hurd-Mori reaction	234
Amphiphilic antioxidants from "cashew nut shell liquid" (CNSL) waste	233
Divergent Regioselective Synthesis of 2,5,6,7-Tetrahydro-1H-1,4-diazepin-2-ones and 5H-1,4-Benzodiazepines	233
Efficient synthesis of novel polyfunctionalised 4,5'-bithiazol-4'-ol derivatives	232
Efficient synthesis and environmentally friendly reactions of PEG-supported 1,2-diaza-1,3-butadiene	232
"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	231
2-Substituted-4-hydroxy-5-acetylthiazoles	230
Reaction between conjugated azoalkenes and pyrazolinones: a precious entry to new conjugated azodiene and asymmetric 4,4'-bipyrazole derivatives	230
A facile synthesis of deaza analogues of the bis-indole marine alkaloid topsentin	230
Regioselective role of the hydrazide moiety in the formation of complex pyrrole-pyrazole systems	229
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	229
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	229
Chemo, regio, and stereoselectivity in the olefination of hydrazone 1,4-adducts between conjugated azoalkenes and sulphur co-activated methylene compounds	228
Inverse electron-demand Diels-Alder reactions of (E)-3-diazenylbut-2-enes in water	228
Azavinyl Azomethine Ylides fromThermal Ring Opening ofr-Aziridinohydrazones: Unprecedented1,5-Electrocyclization to Imidazoles	226
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	225
Synthesis of novel lipophilic porphyrin-cardanol derivatives	224
Unusual (4+2)-cycloaddition reaction between electron poor 1,2-diaza-1,3-dienes and electron poor alkenes: useful entry to novel tetrahydropyridazines	224
First preparation and reaction of polymer-bound 1,2-diaza-1,3-butadienes. A convenient entry to 4-triphenylphosphoranilidene-4,5-dihydropyrazol-5-ones	224
Study of the nucleophilic behaviour of N-phenylbenzamidine towards 1,2-diaza-1,3-dienes: domino reactions for imidazole scaffolds	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	221
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	221
Easy synthesis of new 2-oxo-2,3-dihydro-1H-pyrrolo[1,2-b]pyrazole systems	220
Reaction of 1,2-Diaza-1,3-butadienes with thiol derivates: a versatile construction of nitrogen/sulfur containing heterocycles	220
The kinetic mechanism of horse liver alcohol dehydrogenase with thio-NAD as co-enzyme	218
Simple Construction of Fused and Spiro Nitrogen/Sulfur Containing Heterocycles by Addition of Thioamides or Thioureas on Cycloalkenyl-diazenes: Examples of Click Chemistry	218
“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	217
alpha-Aminoester-derived Imidazoles by 1,5-Electrocyclization of Azavinyl Azomethine Ylides	216
13C chemical shift assignment of some 1-arylamino-3-aminocarbonylpyrroles	216
Divergent base-induced reactivity of cycloalkenyl-1-diazenes	214
On the reactivity of some 2-methyleneindolines with β-nitroenamines, α-nitroalkenes, and 1,2-diaza-1,3-butadienes	213
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	213
Synthesis of Highly Functionalized 1,3-Oxathiazoles via an Unusual [4+1] Annulation alpha,alpha'-Dioxothione with 1,2-Diaza-1,3-dienes	211
Synthesis, reaction, theoretical calculation, NMR study and X-ray crystal structure of 1-substituted and 1-unsubstituted 1H-pyrazol-5(2H)-ones	210
Pyrido[3,4-c]thiazoles through combined palladium-catalysed coupling of 2-substituted-5-acetyl-4-thiazolyl triflates with alkynes/annulation reactions	210
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	208
Aza-Diels-Alder Reaction Between 1,2-Diaza-1,3-dienes and beta-Aryl-alpha,beta-unsaturated Carbonyl Compounds. Easy One-pot Entry to 2’-Oxo-imidazo[1’,5’- f]tetrahydropyridazine	207
Totale	40.090

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Categoria	#
all - tutte	191.377
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	191.377

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	Totale	Lug	Ago	Sett	Ott	Nov	Dic	Gen	Feb	Mar	Apr	Mag	Giu
2021/2022	1.915	0	0	0	480	66	62	123	161	170	169	34	650
2022/2023	3.984	449	258	73	443	419	865	7	254	674	124	308	110
2023/2024	914	120	99	60	60	62	261	16	67	5	95	20	49
2024/2025	3.647	169	296	808	185	167	314	362	221	429	241	202	253
2025/2026	21.172	571	1.842	3.973	1.241	648	515	1.046	287	9.903	560	383	203
2026/2027	1.941	218	212	702	809	0	0	0	0	0	0	0	0
Totale													64.625