CHIMICHI, STEFANO
 Distribuzione geografica
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Continente #
NA - Nord America 9.926
EU - Europa 4.816
AS - Asia 3.075
SA - Sud America 356
AF - Africa 92
OC - Oceania 71
Continente sconosciuto - Info sul continente non disponibili 27
Totale 18.363
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Nazione #
US - Stati Uniti d'America 9.764
RU - Federazione Russa 1.713
SG - Singapore 915
IT - Italia 866
CN - Cina 721
HK - Hong Kong 456
IE - Irlanda 444
UA - Ucraina 431
SE - Svezia 428
VN - Vietnam 412
BR - Brasile 289
DE - Germania 277
KR - Corea 229
GB - Regno Unito 173
FR - Francia 166
FI - Finlandia 142
CA - Canada 121
IN - India 117
PL - Polonia 81
AU - Australia 70
JO - Giordania 57
CH - Svizzera 49
BD - Bangladesh 42
SC - Seychelles 27
TR - Turchia 27
AR - Argentina 24
JP - Giappone 18
ZA - Sudafrica 15
IQ - Iraq 14
ES - Italia 12
MX - Messico 12
VE - Venezuela 11
CO - Colombia 10
ID - Indonesia 10
MA - Marocco 9
NG - Nigeria 9
NL - Olanda 9
BG - Bulgaria 7
EC - Ecuador 7
JM - Giamaica 7
MY - Malesia 7
PK - Pakistan 7
CI - Costa d'Avorio 6
PE - Perù 6
EG - Egitto 5
IL - Israele 5
SA - Arabia Saudita 5
UZ - Uzbekistan 5
PA - Panama 4
PH - Filippine 4
TH - Thailandia 4
TN - Tunisia 4
AE - Emirati Arabi Uniti 3
CL - Cile 3
CR - Costa Rica 3
HN - Honduras 3
KE - Kenya 3
NI - Nicaragua 3
AZ - Azerbaigian 2
BB - Barbados 2
BE - Belgio 2
BJ - Benin 2
CZ - Repubblica Ceca 2
DZ - Algeria 2
IR - Iran 2
LU - Lussemburgo 2
MM - Myanmar 2
NP - Nepal 2
PS - Palestinian Territory 2
PY - Paraguay 2
SN - Senegal 2
SV - El Salvador 2
TT - Trinidad e Tobago 2
TW - Taiwan 2
UY - Uruguay 2
AL - Albania 1
AT - Austria 1
BA - Bosnia-Erzegovina 1
BO - Bolivia 1
BW - Botswana 1
CG - Congo 1
CM - Camerun 1
DO - Repubblica Dominicana 1
ET - Etiopia 1
EU - Europa 1
GA - Gabon 1
GP - Guadalupe 1
GR - Grecia 1
HU - Ungheria 1
IS - Islanda 1
KG - Kirghizistan 1
LA - Repubblica Popolare Democratica del Laos 1
LB - Libano 1
LV - Lettonia 1
LY - Libia 1
MU - Mauritius 1
NO - Norvegia 1
NZ - Nuova Zelanda 1
PR - Porto Rico 1
PT - Portogallo 1
Totale 18.330
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Città #
Santa Clara 2.323
Fairfield 743
Ashburn 669
Singapore 636
Jacksonville 588
Dallas 465
Dublin 443
Chandler 440
Hong Kong 366
San Jose 363
Woodbridge 343
Seattle 319
Cambridge 272
Wilmington 265
Seoul 225
Houston 224
Milan 215
Hefei 164
Buffalo 163
Council Bluffs 148
Beijing 130
Los Angeles 128
Ann Arbor 117
Ho Chi Minh City 110
The Dalles 107
Princeton 105
Lauterbourg 91
Rome 86
Boardman 83
Hanoi 80
Warsaw 79
Boston 77
Dong Ket 77
Melbourne 69
Mumbai 68
Phoenix 64
Medford 58
Bern 48
Florence 45
Kent 42
Shanghai 39
Paris 36
Chicago 35
Munich 35
Frankfurt Am Main 32
Naples 32
Ottawa 32
Moscow 30
New York 30
San Diego 30
Washington 30
Altamura 29
Lawrence 29
São Paulo 29
Norwalk 28
Columbus 24
Orem 24
Turku 23
Verona 22
Turin 21
Redondo Beach 20
Bologna 19
Auburn Hills 18
Helsinki 18
Toronto 18
Philadelphia 17
Tokyo 17
Da Nang 16
Hillsboro 14
Brooklyn 13
Johannesburg 13
Atlanta 12
Figino 12
Haiphong 12
Rio de Janeiro 12
Montreal 11
Venice 11
Andover 10
Chennai 10
Palermo 10
Abuja 9
Falls Church 9
Izmir 9
London 9
San Francisco 9
Clifton 8
Denver 8
West Jordan 8
Bari 7
Frankfurt am Main 7
Guangzhou 7
Redwood City 7
Shenzhen 7
Abidjan 6
Americana 6
Ankara 6
Bengaluru 6
Brasília 6
Campinas 6
Dhaka 6
Totale 12.057
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Nome #
1,1,2,2-tetraacetylcyclopropane: a versatile source of heterocyclic and homocyclic derivatives 531
1,2,3.4-tetrahydro-1,2-diazepine derivatives from isoxazolo[3,4-d]pyridazin-7-(6H)-ones 326
Suzuki and Heck Processes for the Synthesis of New Anthraquinone-Based Glycoconjugated Dyes 279
1H and 13C NMR Study of the Pyrazolo[1,5-a]pyrimidine System 244
1-PHENYLPYRIDAZINO[4,5-D]PYRIDAZINE 235
The preparation of coumaric acids via styrylisoxazoles 233
Carbon-13 NMR Studies on Azolopyridines. 3-The Isothiazolopyridine Systems 226
THERMAL DECOMPOSITION OF IBUPROXAM 225
POLYAZAHETEROCYCLIC COMPOUNDS: CONDENSATION REACTIONS OF PYRIDAZINE-4,5-DI¬CARBOXYLIC ACID DERIVATIVES WITH O-PHENYLENEDIAMINE 223
Carbon-13 NMR Studies on Azolopyridines. 2-The Oxazolopyridine Systems 218
Synthesis of a small azacage which can selectively encapsulate a lithium ion in aqueous solution. 216
Role of Guanine Nucleotides as Endogenous Ligands of a Kainic Acid Binding Site Population in the Mammalian Cerebellum 212
An Analysis of Substituent Effects on the Carbon-13 and Oxygen-17 NMR Chemical Shifts of Some Phenylthiophen-2-ylmethanones by Linear Free Energy Relationships 206
A New Entry to Pyrazolo[1,5-a]pyrido[3,4-e]pyrimidine Derivatives 206
CHEMISTRY OF SUBSTITUTED PYRAZOLO[1,5-A]PYRIMIDINES PART 4. A STRUCTURAL CORRECTION OF A SERIES OF PYRAZOLO[5',1':2,3]PYRIMIDO[5,4-D][1,2]DIAZEPINES ON THE BASIS OF NMR SPECTROSCOPY AND X-RAY DIFFRACTION ANALYSIS . 205
Azabenzoxazoles: synthesis of 3-methylisoxazolo[5,4-c]- and 2-methyloxazolo[5,4-c]pyridines 205
A new convenient route to 2-oxoethoxycoumarins: key intermediates in the synthesis of natural products 204
A Description of the Effects of Silyl vs Alkyl Substituents in Ketones in the Light of Oxygen-17 NMR Data and with the Help of Qualitative MO Theory 204
Preparation of Chloro-α-truxillic acids via 3-Methyl-4-Nitro-5-Styrylisoxazole Photodimers 203
Lithium binder in aqueous solution. Synthesis and characterization of the new cage 4,10,15-trimethyl-1,4,7,10,15-pentaazabicyclo[5.5.5]heptadecane (l). Protonation and lithium complex formation. crystal structures of [HL][BPh4] and [LiL][BPh4] 203
New 5-(2-ethenylsubstituted)-3(2H)-furanones with in vitro antiproliferative activity 201
Diazaarynes: 3,4- and 4,5-Didehydropyridazine by electron impact and thermolytic fragmentation of the corresponding dicarboxylic anhydrides 199
Aromatic Isothiazolopyridines: New Direct Synthetic Approaches 197
Microwave-assisted reaction of building blocks for glycopeptides synthesis. 196
Regio- and stereoselective reductions of dehydrocholic acid 194
A convenient synthesis of psoralens 189
The preparation of arylpropiolic acids via styrylisoxazoles 188
Preparation of 5,6,7,8-Tetrahydro-7-Aryl-3-Methylisoxazolo[4,5-b]azepin-5(4H)-ones 187
A New Spiro Annelation Reaction in the Isoxazole Series: Applications and Limits. Part 2. Reactivity of Ethyl 4-Nitro-3-Phenylisoxazole-5-Carboxylate with Nitrogen Binucleophiles 187
A New Facile Synthesis of 5-Aminopyridazine-4-carboxylic Acid 187
Unambiguous structure elucidation of the reaction products of 3-acyl-4-methoxy-1-methylquinolinones with hydroxylamine via NMR spectroscopy 187
Synthetic Investigation on Isothiazolo[5,4-b]- and [4,5-c]-pyridines 186
GIAO DFT 13C/15N chemical shifts in regioisomeric structure determination of fused pyrazoles 186
Carbon-13 nuclear magnetic resonance study of a new ring-chain tautomerism of some pyridazine derivatives 182
Farnesyloxycoumarins, a New Class of Squalene Hopene Cyclase Inhibitors 179
Pyrazolo[1,5-a]pyrido[3,4-e]pyrimidine: a New Heterocyclic Ring System 179
Regioselective Synthesis of 2,5-Dihydro-4H-pyrazolo[4,3-c]quinolin-4-ones by the Cyclization of 3-Acyl-4-methoxy-1-methylquinolinones with Hydrazines 178
Oxygen-17 nuclear magnetic resonance study of some five-membered heterocyclic derivatives 178
The reactivity of 3-methyl-4-nitro-5-stiyrylixoxazole with some bis-enolisable ketones 177
Carbon-13 NMR Studies on Azolopyridines. 4-The Thiazolopyridine Systems 177
CHEMISTRY OF SUBSTITUTED PYRAZOLO[1,5-A]PYRIMIDINES. PART 3. A LITERATURE CORRECTION ON THE BASIS OF 13C NMR SPECTROSCOPY. 176
Solid State Photoreactivity of (E)-α-Cyano-2-methoxycinnamate 176
Natural and Synthetic Geiparvarins Are Strong and Selective MAO-B Inhibitors. Synthesis and SAR Studies 175
New Geiparvarin Analogues from 7-(2-Oxoethoxy)coumarins as Effective in vitro Antitumoral Agents 175
Structure Determination of Regioisomeric Fused Heterocycles by the Combined Use of 2D NMR Experiments and GIAO DFT 13C Chemical Shifts 174
Synthesis and photobiological properties of bromo- and alkoxymethyl furocoumarins 173
Preparation of 18O-Bilabelled Aliphatic Acids via Isoxazole Derivatives 173
Synthesis and Biological Evaluation of New Geiparvarin Derivatives 173
15N NMR: Substituent Effect Analysis in para- and meta-Substituted Phenylhydrazines 172
Complete assignment of the 1H and 13C NMR spectra of Secoisolariciresinol Diglucoside (SDG): a mammalian lignan precursor isolated from Linum Usitatissimum 171
A New Spiro Annelation Reaction in the Isoxazole Series: Applications and Limits 171
On the reactivity of 6-acetyl-7-(2-dimethylaminovinyl)pyrazolo[1,5-a]pyrimidines with 1,3- and 1,4-bisnucleophiles 170
Synthesis, cytotoxicity, and apoptosis induction in human tumor cells by geiparvarin analogues 169
SPIROCYCLISATION REACTIONS OF DIETHYL PYRIDAZINE-4,5-DICARBOXYLATE WITH 1,3-BINUCLEOPHILES 169
Synthesis and fluorescence of some thiazole and benzothiazole derivatives 168
A new convenient route to enantiopure 2-coumarinyloxypropanals: application to the synthesis of optically active geiparvarin analogues 168
Carbon-13 NMR study of isoxazolopyridine systems 167
Synthesis of the Cage Penta-azamacrobicycloalkane 12,17-Dimethyl-1,5,9,12,17-penta-azabicyclo[7.5.5]nonadecane, its Basicity, and Metal Complex Formation. Crystal Structure of the Copper (II) Perchlorate Complex 167
Regioselective Synthesis of 4-Acetyl- and 5-Acetyl-3-methylisoxazole: their Conversion into Silyl- and Methyl Enol Ethers 166
New Difunctionalized 4-Nitroisoxazoles from a-Nitroacetophenone Oxime 165
First Example of Diels-Alder Reaction of 4-(1-Ethenylsubstituted)-3-methylisoxazoles with Acetylenedicarboxylates 164
Selective Lithium encapsulation in aqueous solution by the new cage 4,10-dimethyl-1,4,7,10,15-pentaazabicyclo[5.5.5]heptadecane (L). Synthesis, characterization, and structural aspects. Crystal structures of [liL][ClO4] and [CuL]Br2.3H2O 164
Synthesis and structure of some 1-(2-thienylmethyl)-1H-imidazole derivatives as potential antimicrobial agents 163
An Analysis of the Substituent Effects on 13C and 17O NMR Chemical Shifts of Some 5-Substituted 2-Acetylthiophenes by Linear Free Energy Relationships 163
Complete 1H (600 MHz) and 13C NMR spectral assignments of 3,4-bis[(3,4-dimethoxyphenyl)-methyl]dihydro-(3R-trans)-2(3H)-furanone (matairesinol dimethyl ether), a naturally occurring dibenzylbutyrolactone lignan 162
Heteroacylsilanes: synthesis and synthetic potentialities of new nucleophilic acylating agents 162
New phthalazine and pyridazino[4,5-g]phthalazine derivatives 161
Permanganate oxidation of 3-methyl-4-nitro-5-styrylisoxazole: a correction 160
New Cyclohexane- and Cyclohexene-1,3-diones from Tetraacetylethylene 160
Unambiguous Structure Determination of Some Pyrazolo[1,5-a]pyrimidine Deri-vatives by Multinuclear NMR Spectroscopy 159
Monoalkylation of dihydroxycoumarins via Mitsunobu dehydroalkylation under High Intensity Ultrasound. The synthesis of Ferujol. 158
New pyrazolo[3,4-b]pyridine and pyrazolo[3,4-d] pyrimidine Derivatives from 4-Acetyl-5-amino-1,3-diphenylpyrazole 156
Differential Substituent Effects in 4-X-Acetophenones and 4-X-2,6-Dimethylacetophenones: Basicity Constants (pKBH+) and 17O Chemical Shifts 154
Preparation of 18O-bilabeled aliphatic acids via isoxazole derivatives 154
Solid State Photodimerisation Reaction of Some 3-Styrylisoxazolo[3,4-d]pyrida-zin-7(6H)-ones 152
On the Nitration of 5-Phenyl- and 3-Methyl-5-Phenylisoxazoles 150
Pyridazine-4,5-dicarboxylic anhydride: a versatile synthon for the preparation of 1,3,7,8-tetraazaspiro[4,5]decane derivatives with nitrogen 1,3-binucleophiles 149
Potassium Exchanged Layered Zirconium Phosphate as catalyst in the preparation of 4H-Chromenes 149
Microwave-assisted reaction of glycosylamine with aspartic acid 149
RING-CHAIN ISOMERISM OF SOME 4,5-DISUBSTITUTED PYRIDAZINES INVOLVING HETERO-SPIRO-COMPOUNDS 148
New Functionalized Pyrazoles from Isoxazolopyridazinones 147
New heterospiro-ring systems by condensation of some heterocyclic o-dicarboxylates with 1,3-diphenylguanidine 146
Synthesis of 17-(2-oxo-4-imidazolin-4-yl) Derivatives from Cortexone and Cortisone 146
Reactivity of pyridazine4,5-dicarboxylic acid anhydride towards 1,4-binucleophiles: new spirocyclisation reactions 145
Pyrazolo[1',5':1,6]pyrimido[4,5-d]pyridazin-7(6H)-one: a New Heterocyclic Ring System from Isoxazolopyridazinones 145
Chemistry of Substituted Pyrazolo[1,5-a]pyrimidines. Part 5. 7-Oxo-6-[bpyrazol-3’(5’)-yl]-4,7-dihydropyrazolo[1,5-a]pyrimidines from 6-Ethoxycarbonyl-7-(2-dimethylaminovinyl)-pyrazolo[1,5-a]pyrimidines: Elucidation of the Reaction Mechanism through NMR Spectroscopy and X-Ray Diffraction Analysis 144
Unambiguous structure determination of some pyrazolo [1,5‐a]pyrimidine derivatives by multinuclear NMR spectroscopy 144
Preparation of 18O-Bilabelled Carboxylic Acids: Cinnamic and Phenylpropiolic Acids via Styrylisoxazoles 143
Ring transformation of 5H-1,2-diazepinones into pyrazoles 142
Synthesis, Structural Determination and Photo-antiproliferative Activity of New 3-Pyrazolyl or -Isoxazolyl Substituted 4-Hydroxy-2(1H)-quinolinones 142
Triethylammonium 8-Acetyl-3-Methyl-9-Phenyl-7-Oxo-2-Azaspiro[4,5]dec-2-en-4-Nitronate 141
Synthesis and characterization of the cage 12,17-dioxa-1,5,9-triazabicyclo[7.5.5]nonadecane. Its basicity and complexing properties. 139
Configuration isomerism of coordinated tetraazamacrocycles. Crystal and molecular structure of carbonato(1,7-dimethyl-1,4,7,10-tetraazacyclododecane)cobalt(III)perchlorate 139
Preparation of mono-labelled aliphatic polyacids via isoxazole derivatives 139
Isolation and characterization of an unknown flavonoid in dry extracts from passiflora incarnata 134
Nitrogen-15 NMR Studies on Hydrazines. 2†—Substituent Effect Analysis in ortho-Substituted Phenylhydrazines and Anilines 131
Reaction of some Antiinflammatory 17-(2-aminooxazol-4-yl) steroids with Hydrogen Peroxide. Synthesis of Steroid-17-spiro-5'-oxazolidine-2',4'-diones 130
Chemical Characterisation of Degraded Wood in Ships Discovered in a Recent Excavation of the Etruscan and Roman Harbour of Pisa 127
Chemical Characterisation of Wood of Roman Ships Brought to Light in the Recently Discovered Ancient Harbour of Pisa (Tuscany, Italy) 125
Kinetics of the Enolisation Reactions of 2-Acetylpyrrole and of 2-, 4-, and 5-Acetylthiazoles 125
Totale 17.867
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Categoria #
all - tutte 46.063
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 46.063
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/2022592 0 0 0 35 46 44 18 35 55 25 184 150
2022/20231.781 196 169 133 108 184 358 233 79 214 13 35 59
2023/2024589 34 87 115 40 23 72 12 117 2 17 49 21
2024/20255.203 127 513 315 772 1.830 815 59 241 132 127 164 108
2025/20264.770 585 704 738 155 460 145 559 170 342 213 94 605
2026/2027909 154 182 405 168 0 0 0 0 0 0 0 0
Totale 18.363