statistiche ricercatore

ATTANASI, ORAZIO ANTONIO

Distribuzione geografica

Continente	#
NA - Nord America	19.167
EU - Europa	13.456
AS - Asia	5.173
Continente sconosciuto - Info sul continente non disponibili	55
AF - Africa	45
SA - Sud America	44
OC - Oceania	29
Totale	37.969

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Nazione	#
US - Stati Uniti d'America	19.097
GB - Regno Unito	6.716
CN - Cina	3.527
UA - Ucraina	2.214
SE - Svezia	1.334
IT - Italia	848
TR - Turchia	828
FI - Finlandia	737
DE - Germania	711
KR - Corea	571
IE - Irlanda	433
RU - Federazione Russa	136
BE - Belgio	79
IN - India	76
CA - Canada	63
FR - Francia	63
SG - Singapore	55
EU - Europa	54
NL - Olanda	49
JP - Giappone	36
RO - Romania	36
BR - Brasile	30
AU - Australia	25
HK - Hong Kong	20
KE - Kenya	18
CH - Svizzera	16
CZ - Repubblica Ceca	16
TG - Togo	12
ZA - Sudafrica	12
VN - Vietnam	11
ES - Italia	10
PT - Portogallo	10
CL - Cile	8
IR - Iran	8
SK - Slovacchia (Repubblica Slovacca)	8
ID - Indonesia	7
IL - Israele	7
AL - Albania	6
BD - Bangladesh	6
BG - Bulgaria	5
DK - Danimarca	5
MX - Messico	5
PK - Pakistan	5
MD - Moldavia	4
NZ - Nuova Zelanda	4
AT - Austria	3
HU - Ungheria	3
AR - Argentina	2
AZ - Azerbaigian	2
BO - Bolivia	2
LA - Repubblica Popolare Democratica del Laos	2
PA - Panama	2
PE - Perù	2
RS - Serbia	2
SI - Slovenia	2
A2 - ???statistics.table.value.countryCode.A2???	1
AE - Emirati Arabi Uniti	1
AF - Afghanistan, Repubblica islamica di	1
AM - Armenia	1
BA - Bosnia-Erzegovina	1
EE - Estonia	1
EG - Egitto	1
GE - Georgia	1
HR - Croazia	1
IM - Isola di Man	1
IS - Islanda	1
JO - Giordania	1
KW - Kuwait	1
LT - Lituania	1
ME - Montenegro	1
MK - Macedonia	1
MY - Malesia	1
NG - Nigeria	1
NO - Norvegia	1
PH - Filippine	1
PL - Polonia	1
SA - Arabia Saudita	1
TH - Thailandia	1
TN - Tunisia	1
TW - Taiwan	1
UZ - Uzbekistan	1
Totale	37.969

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Città	#
Southend	6.286
Fairfield	2.815
Woodbridge	2.239
Jacksonville	1.792
Houston	1.746
Ann Arbor	1.574
Chandler	1.398
Ashburn	1.304
Seattle	1.168
Cambridge	1.150
Nanjing	1.120
Wilmington	1.009
Izmir	694
Dublin	433
Nanchang	370
Princeton	257
San Mateo	240
Helsinki	224
Shenyang	221
Hebei	199
Changsha	198
New York	198
Tianjin	182
Düsseldorf	173
Jiaxing	160
Kunming	146
Boardman	135
Beijing	128
Urbino	121
Mülheim	116
San Diego	113
Jinan	98
Seongnam	93
Bremen	86
Istanbul	75
Brussels	73
Velikiy Novgorod	71
Hangzhou	69
Zhengzhou	67
Ningbo	65
Lanzhou	53
London	53
Shanghai	49
Guangzhou	48
San Francisco	48
Munich	45
Toronto	41
Des Moines	40
Venice	38
Milan	34
Haikou	33
Taizhou	33
Changchun	30
Amsterdam	28
Singapore	27
Auburn Hills	25
Norwalk	23
West Jordan	20
Wuppertal	20
Los Angeles	18
Mcallen	17
Redwood City	17
Acton	12
Ancona	12
Brno	12
Focsani	12
Lomé	12
Rui'an	12
Scottsdale	12
Timisoara	12
Dearborn	11
Washington	11
Fuzhou	10
Melbourne	10
Nuremberg	10
Portland	10
Fortaleza	9
Hanoi	9
Kilburn	9
Orange	9
Shaoxing	9
Shenzhen	9
Canberra	8
Florence	8
Leipzig	8
Nairobi	8
Wuhan	8
Bratislava	7
Duncan	7
Montréal	7
Dormagen	6
Falkenstein	6
Fort Worth	6
Frankfurt am Main	6
Indiana	6
Orciano Di Pesaro	6
Prescot	6
Rome	6
San Jose	6
Tirana	6
Totale	29.679

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Nome	#
1,2-Diaza-1,3-butadienes: a new approach to the synthesis of selenoheterocycles	385
1,2-Diaza-1,3-butadienes: just a nice class of compounds, or powerful tools in organic chemistry? Reviewing an experience	371
1-Amino-2-chloromethylene -2,3-dihydropyrroles by unusual reaction of conjugated azoalkenes with 2-chloro-1,3-dicarbonyl compounds	369
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	334
Facile Odourless Quantitative Synthesis of 3-Hydroxy-3,4-Dihydro-2H-1,4-Thiazines	333
1,3,5-Trisubstituted and acyl-1,3-disubstituted hydantoin derivatives via novel sequential three-component reaction	329
Synthesis of new cycloalkenyliden-pyrroles by domino reaction	261
Solvent-free reactions of some 1,2-diaza-1,3-butadienes with phosphites: environmentally friendly access to new diazaphospholes and E-hydrazonophosphonates	252
Facile and high yielding direct synthesis of 2-alkyliminothiazolines	249
Double Michael addition/aza-cyclization: a valuable sequence for the construction of symmetrical and unsymmetrical spirobarbiturate-pyridines	249
Unexpected ring closure between hydrazono and nitro groups: a useful synthesis of substituted pyrazole N-oxides	239
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	237
Regioselective [1N+2C+2C] assembly of fully decorated pyrroles from primary amines, 1,2-diaza-1,3-dienes and 2,3-allenoates	236
Zinc(II) triflate catalyzed divergent synthesis of polyfunctionalized pyrroles	234
Reactivity of 1,2-diaza-1,3-dienes with azomethine ylides: [3+4] versus [3+2] cycloadditions	232
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	231
Synthesis of selenium-substituted pyrroles and pyrazol-3-ones	229
A Novel Solvent-free Approach to Imidazole containing Nitrogen-Bridgehead Heterocycles	229
A novel assembly of substituted pyrroles by acid-catalyzed sequential three-component reaction of amines, alkynoates, and 1,2-diaza-1,3-dienes	228
1-Aminopyrrole derivatives from conjugated azoalkenes.	227
Divergent Construction of Pyrazoles via Michael Addition of N‑Arylhydrazones to 1,2-Diaza-1,3-dienes	225
An alternative route to pyrrolotriazoles and other N-bridgehead heterocycles	224
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	221
Copper(II)/Copper(I)-catalyzed aza-Michael addition/click reaction of in situ generated alpha-azidohydrazones: synthesis of novel pyrazolone-triazole framework	218
Synthesis of Tetrahydropyridazine Amino Acid Derivatives by a Formal [4+2\| Cycloaddition Reaction of 1,2-Diaza-1,3-dienes with Dehydroalanine Esters	216
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	215
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	215
2-Oxohydrazones, 4-Hydrazono-1H-pyrazol-5-ones, and derived products by air oxidation of 1,2-hydrazino-hydrazones	214
Synthesis of functionalized pyrroles via catalyst- and solvent-free sequential three-component enamine-azoene annulation	213
Facile synthesis of new substituted tetrahydro-1H-indoles	210
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	209
A Novel and Convenient Protocol for the Synthesis of Pyridazines	209
Cultivating the passion to build heterocycles from 1,2-diaza-1,3-dienes: the force of the imagination	206
Unexpected regioselectivity in the reaction between cycloalkenyl-1-diazenes and thioamides: useful entry to fused cycloalkyl-thiazoline and cycloalkyl-thiazoline-pyrazole systems	204
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	204
Regioselective synthesis of stable 2-(trifluoromethyl)-2,3-dihydro-1H-pyrrol-2ols and derived fluorinated heterocycles	203
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	202
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	202
Straightforward entry to new 4-substituted-1,2,3-thiadiazoles from 1,2-diaza-1,3-butadienes via Hurd-Mori reaction	200
An efficient one-pot, three-component synthesis of 5-hydrazinoalkylidene rhodanines from 1,2-diaza-1,3-dienes	200
Inverse electron-demand Diels-Alder reactions of (E)-3-diazenylbut-2-enes in water	197
Synthesis of biphenylyltetrazole derivatives of 1-aminopyrroles as Angiotensin II antagonists	195
Organocatalyzed synthesis of chiral non racemic 1,4-dihydropyridazines	194
13C NMR chemical shift assignments for some 1-aminopyrrole derivatives	193
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	193
Study of the nucleophilic behaviour of N-phenylbenzamidine towards 1,2-diaza-1,3-dienes: domino reactions for imidazole scaffolds	192
Lewis acid-catalyzed synthesis of functionalized pyrroles	192
From targeted aza-Michael addition to linked azaheterocyclic scaffolds	191
Electrophilic reactivities of 1,2-diaza-1,3-dienes	190
Direct access to variously substituted 2-imino-4-thiazolines	189
Reactions of 1,2-diaza-1,3-butadienes with propargyl alcohol as approach to novel bi-heterocyclic systems	189
Unusual (4+2)-cycloaddition reaction between electron poor 1,2-diaza-1,3-dienes and electron poor alkenes: useful entry to novel tetrahydropyridazines	188
Tetrabromo Hydrogenated Cardanol:Efficient and Renewable BrominatingAgent	187
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	186
Divergent Regioselective Synthesis of 2,5,6,7-Tetrahydro-1H-1,4-diazepin-2-ones and 5H-1,4-Benzodiazepines	185
Simple Construction of Fused and Spiro Nitrogen/Sulfur Containing Heterocycles by Addition of Thioamides or Thioureas on Cycloalkenyl-diazenes: Examples of Click Chemistry	185
Efficient synthesis and environmentally friendly reactions of PEG-supported 1,2-diaza-1,3-butadiene	185
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	184
Convenient access to new 2-selenazolin-4-one and 2-selenazoline derivatives from 1,2-diaza-1,3-butadienes	184
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	184
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	184
Polycrystalline TiO2 impregnated with cardanol-based porphyrins for the photocatalytic degradation of 4-nitrophenol	183
Regioselective role of the hydrazide moiety in the formation of complex pyrrole-pyrazole systems	183
Access to novel imidazo[1,5-a]pyrazine scaffolds by the combined use of a three-component reaction and a base-assisted intramolecular cyclization	182
“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	181
A new convenient liquid- and solid-phase synthesis of quinoxalines from (E)-3-diazenylbut-2-enes	180
Synthesis of novel lipophilic porphyrin-cardanol derivatives	180
Highly diastereoselective 1,3-dipolar cycloadditions of chiral non-racemic nitrones to 1,2-diaza-1,3-dienes: an experimental and computational investigation	180
Synthesis and reactions of nitro derivatives of hydrogenated cardanol	179
Easy synthesis of new 2-oxo-2,3-dihydro-1H-pyrrolo[1,2-b]pyrazole systems	178
Domino reaction for the construction of new 2-oxo-[1,2,4]triazolo[5,1-c][1,4]thiazines	178
Efficient synthesis of novel polyfunctionalised 4,5'-bithiazol-4'-ol derivatives	177
Synthesis, reaction, theoretical calculation, NMR study and X-ray crystal structure of 1-substituted and 1-unsubstituted 1H-pyrazol-5(2H)-ones	176
Absolute rate constants for the reaction of peroxyl radicals with cardanol derivatives	176
α-Azido Ketones, Part 8: Base-Induced Coupling of α-Azido Ketones with a 1,2-Diaza-1,3-diene as a Michael Acceptor	176
Effect of Hydrogenated cardanol on the Structure of Model Membranes Studied by EPR and NMR	175
Chemo, regio, and stereoselectivity in the olefination of hydrazone 1,4-adducts between conjugated azoalkenes and sulphur co-activated methylene compounds	175
The kinetic mechanism of horse liver alcohol dehydrogenase with thio-NAD as co-enzyme	174
Pyrido[3,4-c]thiazoles through combined palladium-catalysed coupling of 2-substituted-5-acetyl-4-thiazolyl triflates with alkynes/annulation reactions	173
PEG-immobilization of cardol and soluble polymer-supported synthesis of some cardol–coumarin derivatives: Preliminary evaluation of their inhibitory activity on mushroom tyrosinase	173
Synthesis of new cardanol derivatives through combined iodination/palladium-catalysed cross coupling reactions	172
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	171
On the reactivity of some 2-methyleneindolines with β-nitroenamines, α-nitroalkenes, and 1,2-diaza-1,3-butadienes	170
Reaction between conjugated azoalkenes and pyrazolinones: a precious entry to new conjugated azodiene and asymmetric 4,4'-bipyrazole derivatives	170
One-Pot Synthesis of Spiro Pyrroloimidazoles and 2-Arylimidazoles from 1,2-Diaza-1,3-butadienes and Arylamidines	170
Synthesis of 3-unsubstituted 1-aminopyrroles	169
Double 1,4-addition of malonate to 1,2-diaza-1,3-butadienes: a useful route to previously unknown symmetric and unsymmetric 1,6-dioxo-2,7-diazaspiro[4.4]nona-3,8-dienes	168
Divergent and solvent dependent reactions of 4-ethoxycarbonyl-3-methyl-1-tert-butoxycarbonyl-1,2-diaza-1,3-diene with enamines	167
Synthesis of Highly Functionalized 1,3-Oxathiazoles via an Unusual [4+1] Annulation alpha,alpha'-Dioxothione with 1,2-Diaza-1,3-dienes	165
Conjugated azoalkenes. Part VI. 1-Olefinated carbonyl derivatives by treatment of azoalkenes with carbomethoxymethylene triphenylphosphorane	164
Improved synthesis of substituted quinoxalines from new N=N-polymer-bound 1,2-diaza-1,3-butadienes	163
Straightforward entry into 5-hydroxy-1-aminopyrrolines and the corresponding pyrroles from 1,2-diaza-1,3-butadienes	163
Aspects of the chemistry of functionalized 1-phenylpyrazoles available from 1,2-diaza-1,3-butadienes and 2-phenylazo-1,3-dicarbonyl compounds	163
Carbon-phosphorus bond formation and transformation in the reaction of 1,2-diaza-1,3-butadienes with alkyl phenylphosphonites	162
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	162
2-Substituted-4-hydroxy-5-acetylthiazoles	161
Reaction of 1,2-diaza-1,3-butadienes with amino-phosphorus nucleophiles: a pratical access to new phosphorylated-pyrazolones.	160
Solvent-free synthesis of novel mono- and bis-benzoxazines from cashew nut shell liquid components	159
Base-catalyzed hydrogen-deuterium exchange in some 5-substituted benzothiazoles and in thiazolo[4,5-c]pyridine. Effect of substituents and polar effects of the aza-group	159
Insights into diastereoisomeric characterization of tetrahydropyridazine amino acid derivatives: crystal structures and gas phase ion chemistry	158
Totale	20.306

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Categoria	#
all - tutte	111.871
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	111.871

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	Totale	Lug	Ago	Sett	Ott	Nov	Dic	Gen	Feb	Mar	Apr	Mag	Giu
2019/2020	7.147	0	295	577	2.033	583	733	794	667	496	456	212	301
2020/2021	4.671	173	376	407	488	356	362	358	307	657	346	589	252
2021/2022	2.787	213	342	317	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	387	169	218	0	0	0	0	0	0	0	0	0	0
Totale													38.252