GHELFI, Franco
 Distribuzione geografica
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Continente #
NA - Nord America 15.355
AS - Asia 7.475
EU - Europa 7.082
SA - Sud America 905
AF - Africa 190
OC - Oceania 39
Continente sconosciuto - Info sul continente non disponibili 5
Totale 31.051
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Nazione #
US - Stati Uniti d'America 15.102
GB - Regno Unito 2.654
CN - Cina 2.460
SG - Singapore 2.173
SE - Svezia 1.039
IT - Italia 758
VN - Vietnam 754
DE - Germania 740
HK - Hong Kong 738
BR - Brasile 692
UA - Ucraina 376
FI - Finlandia 344
RU - Federazione Russa 338
FR - Francia 289
KR - Corea 279
TR - Turchia 275
IN - India 219
BG - Bulgaria 134
CA - Canada 133
JP - Giappone 104
ZA - Sudafrica 90
MX - Messico 89
BD - Bangladesh 87
AR - Argentina 76
IE - Irlanda 66
BE - Belgio 60
NL - Olanda 59
IQ - Iraq 50
PL - Polonia 48
ES - Italia 40
CO - Colombia 36
AU - Australia 33
ID - Indonesia 33
CH - Svizzera 31
UZ - Uzbekistan 31
PK - Pakistan 30
AE - Emirati Arabi Uniti 27
TW - Taiwan 26
VE - Venezuela 24
CL - Cile 22
EC - Ecuador 22
IR - Iran 21
MA - Marocco 20
MY - Malesia 19
RO - Romania 18
SA - Arabia Saudita 18
LT - Lituania 15
PH - Filippine 15
EG - Egitto 14
JO - Giordania 14
PE - Perù 13
TH - Thailandia 13
DZ - Algeria 12
KE - Kenya 12
IL - Israele 11
NP - Nepal 11
TN - Tunisia 11
AT - Austria 9
AZ - Azerbaigian 9
CZ - Repubblica Ceca 9
UY - Uruguay 8
CI - Costa d'Avorio 7
CR - Costa Rica 7
LV - Lettonia 7
PS - Palestinian Territory 7
PY - Paraguay 7
SN - Senegal 7
BY - Bielorussia 6
GE - Georgia 6
KZ - Kazakistan 6
NZ - Nuova Zelanda 6
OM - Oman 6
HR - Croazia 5
NO - Norvegia 5
PT - Portogallo 5
RS - Serbia 5
DK - Danimarca 4
EE - Estonia 4
ET - Etiopia 4
JM - Giamaica 4
KG - Kirghizistan 4
LB - Libano 4
QA - Qatar 4
AL - Albania 3
AO - Angola 3
BH - Bahrain 3
BO - Bolivia 3
CY - Cipro 3
DO - Repubblica Dominicana 3
KH - Cambogia 3
NG - Nigeria 3
PA - Panama 3
SK - Slovacchia (Repubblica Slovacca) 3
A2 - ???statistics.table.value.countryCode.A2??? 2
AM - Armenia 2
BA - Bosnia-Erzegovina 2
CG - Congo 2
DM - Dominica 2
EU - Europa 2
GT - Guatemala 2
Totale 31.017
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Città #
Southend 1.845
Santa Clara 1.494
Singapore 1.424
Fairfield 1.364
Ashburn 1.152
Woodbridge 1.107
Hefei 1.035
Chandler 957
Jacksonville 820
Houston 804
Hong Kong 713
Ann Arbor 637
Dearborn 532
Seattle 528
Nyköping 514
Wilmington 487
Cambridge 463
Beijing 381
London 370
Dallas 289
San Jose 277
Los Angeles 274
Seoul 238
Ho Chi Minh City 228
Helsinki 204
Modena 190
Hanoi 184
Buffalo 165
Princeton 156
The Dalles 155
Council Bluffs 135
Shanghai 135
New York 133
Sofia 133
Eugene 129
San Diego 127
Chicago 126
Izmir 122
Lauterbourg 119
Berlin 108
Munich 95
Des Moines 94
Milan 83
Bremen 82
Moscow 74
São Paulo 69
Dublin 64
Orem 55
Tokyo 51
Da Nang 43
Kent 43
Frankfurt am Main 40
Fremont 37
San Mateo 37
Toronto 37
Brussels 36
Amsterdam 33
Bologna 33
Brooklyn 33
Tampa 33
Nanjing 32
Redwood City 32
Salt Lake City 32
Denver 29
Reggio Emilia 29
Warsaw 29
Chennai 28
Manchester 28
Philadelphia 28
Tashkent 28
Boardman 27
Florianópolis 27
Haiphong 27
Hyderabad 27
Atlanta 26
Yalova 26
Auburn Hills 25
Norwalk 25
Brantford 24
Elk Grove Village 24
Parma 24
Guangzhou 23
Montreal 23
Rio de Janeiro 23
Belo Horizonte 22
Phoenix 22
Mexico City 21
Saint Petersburg 21
Kunming 20
Poplar 20
Stockholm 19
Johannesburg 18
Boston 17
Turku 17
Verona 17
Baghdad 16
Bogotá 16
Hillsboro 16
Mumbai 16
New Delhi 16
Totale 22.266
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Nome #
1,2-reduction of alpha,beta-unsaturated hydrazones using dimethylamine-borane/p-toluenesulfonic acid: an easy route to allyl hydrazines 846
Chlorination of Alkenes with Manganese Dioxide-Trimethylchlorosilane 391
Acetic Anhydride/Et3N/DMAP: An Effective Acetylating System for Hemiacetals 387
N-(2-hydroxyalkyl)-2,2-dihaloamides by amino-de-alkoxylation of methyl 2,2-dihalocarboxylates 377
Arylsulfonyl Groups: The Best Cyclization Auxiliaries for the Preparation of ATRC γ-Lactams can be Acidolytically Removed 372
Axially Chiral Enamides: Substituent Effects, Rotation Barriers, and Implications for their Cyclization Reactions 366
Acetals by AlFe-pillared montmorillonite catalysis 349
A new route to (±)-erythro-roccellic acid and chaetomellic anhydride C through functional rearrangement, promoted by n-propylamine or CH3ONa/CH3OH, of N-propyl-3-chloro-4-dichloromethyl-3-dodecylpyrrolidin-2-one 342
A new and effective route to (+/-)-botryodiplodin and (+/-)-epi-botryodiplodin acetates using a halogen atom transfer Ueno-Stork cyclization 326
ACETAL CHLORINATION WITH MNO2-TRIMETHYLCHLOROSILANE 324
A simple and efficient route to chaetomellic anhydride A: A potent natural Ras farnesyl-protein transferase inhibitor 324
Copper-Catalysed “Activators Regenerated by Electron Transfer” “Atom Transfer Radical Polymerisation” of Styrene from a Bifunctional Initiator in Ethyl Acetate/Ethanol, Using Ascorbic Acid/Sodium Carbonate as Reducing System 318
The treatment of indoles with trimethylhalogenosilanes and sulphoxides J. Chem. Res. (S) 1989, 182 306
THE REACTION OF BENZYLIC ALCOHOLS WITH CHLOROTRIMETHYLSILANE/DIMETHYL SULFOXIDE 304
A novel short approach to (Z)-pulchellalactam through Transition-Metal-Catalized Atom-Transfer Radical Cyclization of 1-isopropylprop-2-enyl dichloroacetate 302
Zinc promoted addition of methyl 2,2-dihalocarboxylates to carbonyl compounds 300
A short approach to chaetomellic anhydride A from2,2-dichloropalmitic acid: elucidation of the mechanism governingthe functional rearrangement of the chlorinatedpyrrolidin-2-one intermediate 298
Acid- and Base-Catalysis in the Mononuclear Rearrangement of Some (Z)-Arylhydrazones of 5-Amino-3-benzoyl-1,2,4-oxadiazole in Toluene: Effect of Substituents on the Course of Reaction 297
'Ligand-free-like' CuCl-catalyzed atom transfer radical cyclization of N-substituted N-allyl polychloroamides to γ-lactams. 296
Halogen atom transfer radical addition of alpha-polychloroesters to olefins promoted by Fe-0 filings 292
An efficient procedure to alfa-hydroxyaldehyde dimethyl acetals 292
Models of rhodium complexes bound to silica: preparation, structure and interconversion of dinuclear silyloxyrhodium complexes 292
An efficient route to aliphatic 2,2-dichloroaldehydes via chlorination of aldehydes or alcohols with the system Cl-2/quaternary ammonium chloride 289
A new synthetic route to Tyromycin A and its analogue from renewable resources 287
Amino-de-Alkoxylation of Methyl 2,2-Dihalocarboxylates 284
Easy approach to 3-benzylimino-2-pyrrolidinones from 3-chloro-4-chloromethyl-2-pyrrolidinones 284
Atom Tranfer Radical Cyclization (ATRC) applied to a chemo-enzymatic synthesis of Quercus Lactones 277
Base-promoted rearrangement of 2,3-epoxycyclohexanones to phenols 273
Facile conversion of α,β-epoxy ketones to 2-chloro-3-hydroxy ketones by trimethylchlorosilane-dimethyl sulfoxide 270
REACTIONS OF THE TRIMETHYLCHLOROSILANE-DIMETHYL SULPHOXIDE REAGENT WITH CARBONYL COMPOUNDS 267
A green way to γ-lactams through a copper catalyzed ARGET-ATRC in ethanol and in the presence of ascorbic acid 266
ALPHA-CHLOROMERCAPTALS FROM ALPHA-CHLOROACETALS AND THIOLS 264
Unusual access to 5-methoxy or 5,5-dimethoxy-4-methyl-3-pyrrolin-2-ones from chlorinated 4-methyl-pyrrolidin-2-ones 264
ARGET ATRP of styrene in EtOAc/EtOH using only Na2CO3 to promote the copper catalyst regeneration 263
Halogen atom transfer radical cyclization of N-allyl-N-benzyl-2,2-dihaloamides to 2-pyrrolidinones, promoted by Fe-0-FeCl3 or CuCl-TMEDA 261
THE REACTION OF STYRENES WITH CHLOROTRIMETHYLSILANE DIMETHYL-SULFOXIDE 260
Preparation of the Maleic Anhydride Nucleus from Dichloro γ-Lactams: Focus on the Role of the N-Substituent in the Functional Rearrangement and in the Hydrolytic Steps 260
Ferrocene promoted addition of methyl 2,2-dichloro-carboxylates to 1-alkenes 259
Deprotection of α -halo aldehydes dimethyl acetals with acetic anhydride-acetyl chloride-sodium acetate trihydrate 258
Telechelic oligomers by halogen atom transfer radical addition 258
Conformationally constrained amino acids: A convenient approach to cis-2,3-methano-GABAs 257
The influence of benzylic protection and allylic substituents on the CuCl-TMEDA catalyzed rearrangement of N-allyl-N-benzyl-2,2-dihaloamides to gamma-lactams. Application to the stereoselective synthesis of pilolactam. 257
THE REACTION OF PYRROLES WITH TRIMETHYLHALOSILANES-DIALKYL SULFOXIDES 256
REDUCTIVE COUPLING OF METHYL ALPHA-BROMO-ALPHA-CHLOROCARBOXYLATES 255
Functional rearrangement of 3-Cl or 3,3-diCl-γ-lactams bearing a secondary 1-chloroalkyl substituent at C-4 255
Synthesis of the disubstituted maleic anhydride frame using a novel tandem radical-polar reaction 254
O-SILYLATION OF ACYLCOBALT TETRACARBONYLS - SYNTHESIS OF A NEW TYPE OF DINUCLEAR MU-2-HYDROXYCARBENE COBALT CARBONYL DERIVATIVES 253
Novel Route to Chaetomellic Acid A and Analogues: Serendipitous Discovery of a more Competent FTase Inhibitor 252
Electrochemical Approach to Copper-Catalyzed Reversed Atom Transfer Radical Cyclization 251
2,2-dichlorination of aldehydes with the 2,6-lutidine center dot HCl/Cl-2/CH2Cl2 system: An environmentally benign process suitable for scale up 251
The CuBr/Fe promoted olefin alkylation of 2-Br-2-Cl-carboxylate methyl esters 248
SULFOXIDES FROM THIOETHERS AND MNO2-HCL 247
The Fe-0 promoted addition of CCl4 and CCl3Br to olefins 245
gamma-Alkylketene dithioacetals from 2,3-dichloroaldehyde dithioacetals 242
BETA-CHLOROALKYL SULFIDES FROM ME2S/SO2CL2/ME2SO AND ALKENES 237
REGIOSPECIFIC CONVERSION OF ALPHA,BETA-EPOXY ACETATES TO 3-CHLORO-2-HYDROXY ACETATES 235
ON THE INTERMEDIATES OF THE REACTION OF KETONES WITH MNO2-CHLOROTRIMETHYLSILANE 235
The CuBr/Fe-0 promoted radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 235
CuCl catalyzed radical cyclisation of N-alpha-perchloroacyl-ketene-N,S-acetals: a new way to prepare disubstituted maleic anhydrides 234
PROCESS FOR PREPARING GABAPENTIN 233
Atom transfer radical cyclization of O-allyl-2,2-dichlorohemiacetal acetates: an expedient method to dichloro-γ-lactones 233
Functional rearrangement of polychlorinated pyrrolidin-2-onesto 5-imino-lactams promoted by n-propylamine 232
SYNTHESIS OF 2-(1-CHLOROALKYL)-1,3-BENZODITHIOLES AND 2-ALKYLIDENE-1,3-BENZODITHIOLES 231
Fe-0 initiated halogen atom transfer radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 229
Rearrangement of N-allyl-alpha,alpha-dichloroamides, beta- or gamma-functionalized, to substituted analogues of the gamma-aminobutyric acid (GABA) 228
Radical initiation using borole derivatives 227
Influences of nitrogen base excess on ARGET ATRP of styrene with ascorbic acid acetonide and traces of oxygen and water 226
PREPARATION OF 2,2-DIHALOCARBOXYLIC ACID METHYL-ESTERS BY OXIDATION CHLORINATION OF 2-(1-HALOALKYL)-4-METHYL-1,3-DIOXOLANES WITH TRICHLOROISOCYANURIC ACID 226
Esterase-mediated synthesis of optically active GABA analogues containing a stereogenic all-carbon quaternary carbon atom. 226
Chlorination of alkenes with manganese dioxide-manganese dichloride-acetyl chloride in dimethylformamide 226
Reductive homo-coupling of methyl 2-Br-2-Cl-carboxylates promoted by CuBr-Fe0 226
OXIDATION OF THIOETHERS BY MANGANESE(IV) OXIDE-TRIMETHYLCHLOROSILANE 226
OXIDATION OF ALPHA-ACETOXY ACETALS WITH TRICHLOROISOCYANURIC ACID 225
THE REACTION OF ALKYL PHENYL SULFIDES WITH MANGANESE-DIOXIDE AND ACETYL-CHLORIDE 224
Sintesi dell’acido chetomellico A, un antitumorale naturale inibitore della RAS farnesil-protein transferasi (FPTasi) 223
N,N-(dimethylamino)-2-pyrrolidinones from the rearrangement of N-allyl-N ',N '-dimethyl-2,2-dichlorohydrazides promoted by CuCl-N,N,N ',N '-tetramethylethylendiamine 221
REGIOSPECIFIC HYDROGEN-CHLORIDE ELIMINATION FROM ALPHA,BETA-DICHLOROALKYL PHENYL SULFIDES 220
The reaction of the acetates of alpha-chloro methyl hemiacetals with nucleophiles. Synthesis of 2-hydroxy-1,4-dithianes 220
DIENE CHLORINATION WITH MANGANESE-DIOXIDE TRIMETHYL-CHLOROSILANE 219
DIMETHYLACETALS BROMINATION BY Br2-TRIMETHYLCHLOROSILANE-NaBr 219
Breakthrough in the alpha-perchlorination of acyl chlorides 217
Apolar versus Polar Solvents: A Comparison of the Strength of Some Organic Acids againstDifferent Bases in Toluene and in Water 215
Simultaneous deprotection-oxidation of cyclic hemiacetals: A fine ending for a Ueno-Stork ATRC to dichloro-γ-lactones 210
First Chemoenzymatic Synthesis of (1)-2-Carboxypyrrolidine-3-AceticAcid, the Nucleus of Kainoid Amino Acids 209
2,2-Dichloroaldehydes and 2,2-dichlorocarboxylic acids from 2-picoline center dot HCl catalyzed chlorination of aldehydes 208
Synthesis of 5-methoxylated 3-pyrrolin-2-one via the rearrangement of chlorinated pyrrolidin-2-ones 206
Lipase-catalysed deacetylation of botryodiplodin acetate 206
Undecylenic acid: a valuable renewable Building Block on route to Tyromycin A derivatives 205
TRIMETHYLCHLOROSILANE-MEDIATED FORMATION OF 2-CHLOROCYCLOHEXYL SULPHIDES BY SULPHOXIDES 203
On the rearrangement of some Z-arylhydrazones of 3-benzoyl-5-phenylisoxazoles into 2-aryl-4-phenacyl-2H-1,2,3-triazoles: a kinetic study of the substituent effects in Boulton-Katritzky reactions 203
Ruthenium(II)-catalyzed oxidation of alcohols by persulfate 202
Stereoselective Dehydrobromination of alkyl alpha-Br-alpha-Cl-carboxylates 201
CARBONYL REGENERATION FROM OXIMES AND SEMICARBAZONES BY TRIMETHYLCHLOROSILANE-DIMETHYLSULFOXIDE 200
PHOTO-OXIDATION OF METHYL LINOLEATE AND THE EFFECT OF ALFA-TOCOPHEROL, ASORBIC ACID BETA-CAROTENE AND HEAVY METAL IONS 199
Expedient Synthesis, on Large Scale, of Aliphatic Chaetomellic Anhydrides from N-Allyl-2,2-dichlorocarboxyamides 199
TRICHLOROISOCYANURIC ACID OXIDATION OF 2-CHLORO ALDEHYDE ACETALS TO 2-CHLORO ACID-ESTERS 198
Hydro-de-halogenation and consecutive deprotection of chlorinated N-amido-pyrrolidin-2-ones with Raney-Ni: an effective approach to gabapentin 197
Efficient and Green Route to γ-Lactams by Copper-Catalysed Reversed Atom Transfer Radical Cyclisation of α-Polychloro-N-allylamides, using a Low Load of Metal (0.5 mol%) 197
THE REACTION OF THRICHLORO AND TRIMETHYLBROMOSILANE-DIMETHYLSULFOXIDE REAGENT SYSTEM ON ALKENES 196
REGENERATION OF ALPHA-HALOALDEHYDES FROM ALPHA-HALODIMETHYLACETALS 195
Totale 26.050
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Categoria #
all - tutte 108.380
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 108.380
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021753 0 0 0 0 0 0 0 0 0 320 287 146
2021/20222.284 67 305 242 212 52 118 126 115 259 152 373 263
2022/20232.765 350 330 166 244 351 432 94 211 343 23 97 124
2023/20241.347 69 77 67 150 257 102 186 163 36 54 66 120
2024/20255.236 253 70 122 349 997 792 338 217 551 214 623 710
2025/20268.514 637 703 1.105 1.005 1.145 839 931 529 906 714 0 0
Totale 31.189