GHELFI, Franco
 Distribuzione geografica
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Continente #
NA - Nord America 14.553
EU - Europa 6.529
AS - Asia 6.005
SA - Sud America 708
AF - Africa 122
OC - Oceania 37
Continente sconosciuto - Info sul continente non disponibili 4
Totale 27.958
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Nazione #
US - Stati Uniti d'America 14.374
GB - Regno Unito 2.638
CN - Cina 2.370
SG - Singapore 1.730
SE - Svezia 1.037
IT - Italia 706
HK - Hong Kong 682
DE - Germania 590
BR - Brasile 577
UA - Ucraina 366
RU - Federazione Russa 329
TR - Turchia 259
KR - Corea 253
VN - Vietnam 251
FI - Finlandia 228
FR - Francia 144
IN - India 134
BG - Bulgaria 131
CA - Canada 96
JP - Giappone 85
ZA - Sudafrica 84
MX - Messico 68
IE - Irlanda 63
BE - Belgio 56
AR - Argentina 51
NL - Olanda 46
PL - Polonia 44
BD - Bangladesh 40
ES - Italia 34
AU - Australia 33
CH - Svizzera 31
CO - Colombia 23
IR - Iran 21
TW - Taiwan 21
ID - Indonesia 19
IQ - Iraq 18
RO - Romania 18
MY - Malesia 16
EC - Ecuador 15
LT - Lituania 15
PK - Pakistan 15
UZ - Uzbekistan 14
AE - Emirati Arabi Uniti 13
MA - Marocco 12
VE - Venezuela 12
CL - Cile 11
SA - Arabia Saudita 11
AT - Austria 8
CZ - Repubblica Ceca 8
IL - Israele 8
JO - Giordania 8
PE - Perù 8
LV - Lettonia 7
AZ - Azerbaigian 5
NO - Norvegia 5
SN - Senegal 5
TH - Thailandia 5
TN - Tunisia 5
BY - Bielorussia 4
EG - Egitto 4
NZ - Nuova Zelanda 4
PT - Portogallo 4
UY - Uruguay 4
CR - Costa Rica 3
DK - Danimarca 3
GE - Georgia 3
KZ - Kazakistan 3
NP - Nepal 3
PH - Filippine 3
PY - Paraguay 3
SK - Slovacchia (Repubblica Slovacca) 3
A2 - ???statistics.table.value.countryCode.A2??? 2
AL - Albania 2
BO - Bolivia 2
CI - Costa d'Avorio 2
DM - Dominica 2
DZ - Algeria 2
EE - Estonia 2
EU - Europa 2
KE - Kenya 2
KG - Kirghizistan 2
LA - Repubblica Popolare Democratica del Laos 2
LB - Libano 2
PS - Palestinian Territory 2
SI - Slovenia 2
SY - Repubblica araba siriana 2
AM - Armenia 1
AO - Angola 1
BA - Bosnia-Erzegovina 1
BB - Barbados 1
BH - Bahrain 1
BJ - Benin 1
BZ - Belize 1
CG - Congo 1
CV - Capo Verde 1
CY - Cipro 1
DO - Repubblica Dominicana 1
GD - Grenada 1
GT - Guatemala 1
GY - Guiana 1
Totale 27.944
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Città #
Southend 1.845
Santa Clara 1.465
Fairfield 1.364
Singapore 1.107
Woodbridge 1.107
Hefei 1.035
Ashburn 1.007
Chandler 957
Jacksonville 820
Houston 802
Hong Kong 661
Ann Arbor 637
Dearborn 532
Seattle 526
Nyköping 514
Wilmington 487
Cambridge 463
London 368
Beijing 345
Dallas 285
Los Angeles 267
Seoul 219
Modena 190
Buffalo 163
Princeton 156
Shanghai 134
Sofia 131
Eugene 129
New York 129
San Diego 126
Izmir 121
Chicago 120
Ho Chi Minh City 95
Munich 95
Des Moines 93
Helsinki 89
Bremen 82
Milan 73
Moscow 73
Dublin 62
The Dalles 62
São Paulo 60
Council Bluffs 59
Hanoi 54
Kent 43
Tokyo 38
Fremont 37
San Mateo 37
Brussels 34
Brooklyn 33
Tampa 33
Bologna 32
Nanjing 32
Orem 32
Redwood City 32
Salt Lake City 32
Toronto 32
Denver 29
Reggio Emilia 29
Warsaw 29
Philadelphia 28
Boardman 27
Florianópolis 27
Yalova 26
Amsterdam 25
Atlanta 25
Auburn Hills 25
Norwalk 25
Elk Grove Village 24
Hyderabad 24
Parma 24
San Jose 24
Montreal 22
Saint Petersburg 21
Belo Horizonte 20
Guangzhou 20
Kunming 20
Manchester 20
Poplar 20
Chennai 19
Frankfurt am Main 19
Phoenix 19
Stockholm 19
Rio de Janeiro 18
Boston 17
Turku 17
Verona 17
Johannesburg 16
Monmouth Junction 15
Redondo Beach 15
Rome 15
Bogotá 14
Jena 14
Jinan 14
Kilburn 14
Augusta 13
Mexico City 13
Ottawa 13
Piacenza 13
Tashkent 13
Totale 20.417
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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 657
Acetic Anhydride/Et3N/DMAP: An Effective Acetylating System for Hemiacetals 352
Chlorination of Alkenes with Manganese Dioxide-Trimethylchlorosilane 351
Arylsulfonyl Groups: The Best Cyclization Auxiliaries for the Preparation of ATRC γ-Lactams can be Acidolytically Removed 347
N-(2-hydroxyalkyl)-2,2-dihaloamides by amino-de-alkoxylation of methyl 2,2-dihalocarboxylates 347
Axially Chiral Enamides: Substituent Effects, Rotation Barriers, and Implications for their Cyclization Reactions 323
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 319
Acetals by AlFe-pillared montmorillonite catalysis 314
A new and effective route to (+/-)-botryodiplodin and (+/-)-epi-botryodiplodin acetates using a halogen atom transfer Ueno-Stork cyclization 305
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 297
ACETAL CHLORINATION WITH MNO2-TRIMETHYLCHLOROSILANE 293
A simple and efficient route to chaetomellic anhydride A: A potent natural Ras farnesyl-protein transferase inhibitor 289
Zinc promoted addition of methyl 2,2-dihalocarboxylates to carbonyl compounds 280
The treatment of indoles with trimethylhalogenosilanes and sulphoxides J. Chem. Res. (S) 1989, 182 276
THE REACTION OF BENZYLIC ALCOHOLS WITH CHLOROTRIMETHYLSILANE/DIMETHYL SULFOXIDE 275
A short approach to chaetomellic anhydride A from2,2-dichloropalmitic acid: elucidation of the mechanism governingthe functional rearrangement of the chlorinatedpyrrolidin-2-one intermediate 273
A novel short approach to (Z)-pulchellalactam through Transition-Metal-Catalized Atom-Transfer Radical Cyclization of 1-isopropylprop-2-enyl dichloroacetate 270
Halogen atom transfer radical addition of alpha-polychloroesters to olefins promoted by Fe-0 filings 266
An efficient route to aliphatic 2,2-dichloroaldehydes via chlorination of aldehydes or alcohols with the system Cl-2/quaternary ammonium chloride 266
Easy approach to 3-benzylimino-2-pyrrolidinones from 3-chloro-4-chloromethyl-2-pyrrolidinones 266
Models of rhodium complexes bound to silica: preparation, structure and interconversion of dinuclear silyloxyrhodium complexes 265
'Ligand-free-like' CuCl-catalyzed atom transfer radical cyclization of N-substituted N-allyl polychloroamides to γ-lactams. 263
An efficient procedure to alfa-hydroxyaldehyde dimethyl acetals 261
A new synthetic route to Tyromycin A and its analogue from renewable resources 260
Amino-de-Alkoxylation of Methyl 2,2-Dihalocarboxylates 259
Facile conversion of α,β-epoxy ketones to 2-chloro-3-hydroxy ketones by trimethylchlorosilane-dimethyl sulfoxide 255
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 255
THE REACTION OF PYRROLES WITH TRIMETHYLHALOSILANES-DIALKYL SULFOXIDES 247
Unusual access to 5-methoxy or 5,5-dimethoxy-4-methyl-3-pyrrolin-2-ones from chlorinated 4-methyl-pyrrolidin-2-ones 247
THE REACTION OF STYRENES WITH CHLOROTRIMETHYLSILANE DIMETHYL-SULFOXIDE 244
Base-promoted rearrangement of 2,3-epoxycyclohexanones to phenols 244
Telechelic oligomers by halogen atom transfer radical addition 243
Ferrocene promoted addition of methyl 2,2-dichloro-carboxylates to 1-alkenes 241
Conformationally constrained amino acids: A convenient approach to cis-2,3-methano-GABAs 241
Halogen atom transfer radical cyclization of N-allyl-N-benzyl-2,2-dihaloamides to 2-pyrrolidinones, promoted by Fe-0-FeCl3 or CuCl-TMEDA 239
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 239
Atom Tranfer Radical Cyclization (ATRC) applied to a chemo-enzymatic synthesis of Quercus Lactones 239
A green way to γ-lactams through a copper catalyzed ARGET-ATRC in ethanol and in the presence of ascorbic acid 238
Synthesis of the disubstituted maleic anhydride frame using a novel tandem radical-polar reaction 237
Functional rearrangement of 3-Cl or 3,3-diCl-γ-lactams bearing a secondary 1-chloroalkyl substituent at C-4 237
The CuBr/Fe promoted olefin alkylation of 2-Br-2-Cl-carboxylate methyl esters 236
ALPHA-CHLOROMERCAPTALS FROM ALPHA-CHLOROACETALS AND THIOLS 235
Deprotection of α -halo aldehydes dimethyl acetals with acetic anhydride-acetyl chloride-sodium acetate trihydrate 233
The Fe-0 promoted addition of CCl4 and CCl3Br to olefins 232
REACTIONS OF THE TRIMETHYLCHLOROSILANE-DIMETHYL SULPHOXIDE REAGENT WITH CARBONYL COMPOUNDS 232
SULFOXIDES FROM THIOETHERS AND MNO2-HCL 231
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. 231
Electrochemical Approach to Copper-Catalyzed Reversed Atom Transfer Radical Cyclization 231
ARGET ATRP of styrene in EtOAc/EtOH using only Na2CO3 to promote the copper catalyst regeneration 230
O-SILYLATION OF ACYLCOBALT TETRACARBONYLS - SYNTHESIS OF A NEW TYPE OF DINUCLEAR MU-2-HYDROXYCARBENE COBALT CARBONYL DERIVATIVES 228
REDUCTIVE COUPLING OF METHYL ALPHA-BROMO-ALPHA-CHLOROCARBOXYLATES 226
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 221
BETA-CHLOROALKYL SULFIDES FROM ME2S/SO2CL2/ME2SO AND ALKENES 221
The CuBr/Fe-0 promoted radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 221
SYNTHESIS OF 2-(1-CHLOROALKYL)-1,3-BENZODITHIOLES AND 2-ALKYLIDENE-1,3-BENZODITHIOLES 219
Novel Route to Chaetomellic Acid A and Analogues: Serendipitous Discovery of a more Competent FTase Inhibitor 219
PROCESS FOR PREPARING GABAPENTIN 218
Radical initiation using borole derivatives 214
Functional rearrangement of polychlorinated pyrrolidin-2-onesto 5-imino-lactams promoted by n-propylamine 214
gamma-Alkylketene dithioacetals from 2,3-dichloroaldehyde dithioacetals 212
Reductive homo-coupling of methyl 2-Br-2-Cl-carboxylates promoted by CuBr-Fe0 209
CuCl catalyzed radical cyclisation of N-alpha-perchloroacyl-ketene-N,S-acetals: a new way to prepare disubstituted maleic anhydrides 208
ON THE INTERMEDIATES OF THE REACTION OF KETONES WITH MNO2-CHLOROTRIMETHYLSILANE 207
THE REACTION OF ALKYL PHENYL SULFIDES WITH MANGANESE-DIOXIDE AND ACETYL-CHLORIDE 207
PREPARATION OF 2,2-DIHALOCARBOXYLIC ACID METHYL-ESTERS BY OXIDATION CHLORINATION OF 2-(1-HALOALKYL)-4-METHYL-1,3-DIOXOLANES WITH TRICHLOROISOCYANURIC ACID 204
Fe-0 initiated halogen atom transfer radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 204
Esterase-mediated synthesis of optically active GABA analogues containing a stereogenic all-carbon quaternary carbon atom. 203
Apolar versus Polar Solvents: A Comparison of the Strength of Some Organic Acids againstDifferent Bases in Toluene and in Water 203
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 202
OXIDATION OF THIOETHERS BY MANGANESE(IV) OXIDE-TRIMETHYLCHLOROSILANE 202
OXIDATION OF ALPHA-ACETOXY ACETALS WITH TRICHLOROISOCYANURIC ACID 200
REGIOSPECIFIC HYDROGEN-CHLORIDE ELIMINATION FROM ALPHA,BETA-DICHLOROALKYL PHENYL SULFIDES 200
Sintesi dell’acido chetomellico A, un antitumorale naturale inibitore della RAS farnesil-protein transferasi (FPTasi) 200
Rearrangement of N-allyl-alpha,alpha-dichloroamides, beta- or gamma-functionalized, to substituted analogues of the gamma-aminobutyric acid (GABA) 198
DIMETHYLACETALS BROMINATION BY Br2-TRIMETHYLCHLOROSILANE-NaBr 197
Atom transfer radical cyclization of O-allyl-2,2-dichlorohemiacetal acetates: an expedient method to dichloro-γ-lactones 197
Chlorination of alkenes with manganese dioxide-manganese dichloride-acetyl chloride in dimethylformamide 196
REGIOSPECIFIC CONVERSION OF ALPHA,BETA-EPOXY ACETATES TO 3-CHLORO-2-HYDROXY ACETATES 195
The reaction of the acetates of alpha-chloro methyl hemiacetals with nucleophiles. Synthesis of 2-hydroxy-1,4-dithianes 194
Synthesis of 5-methoxylated 3-pyrrolin-2-one via the rearrangement of chlorinated pyrrolidin-2-ones 193
Lipase-catalysed deacetylation of botryodiplodin acetate 193
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 193
DIENE CHLORINATION WITH MANGANESE-DIOXIDE TRIMETHYL-CHLOROSILANE 191
Breakthrough in the alpha-perchlorination of acyl chlorides 191
Ruthenium(II)-catalyzed oxidation of alcohols by persulfate 190
TRIMETHYLCHLOROSILANE-MEDIATED FORMATION OF 2-CHLOROCYCLOHEXYL SULPHIDES BY SULPHOXIDES 188
First Chemoenzymatic Synthesis of (1)-2-Carboxypyrrolidine-3-AceticAcid, the Nucleus of Kainoid Amino Acids 186
TRICHLOROISOCYANURIC ACID OXIDATION OF 2-CHLORO ALDEHYDE ACETALS TO 2-CHLORO ACID-ESTERS 186
Influences of nitrogen base excess on ARGET ATRP of styrene with ascorbic acid acetonide and traces of oxygen and water 185
Undecylenic acid: a valuable renewable Building Block on route to Tyromycin A derivatives 185
Simultaneous deprotection-oxidation of cyclic hemiacetals: A fine ending for a Ueno-Stork ATRC to dichloro-γ-lactones 184
Hydro-de-halogenation and consecutive deprotection of chlorinated N-amido-pyrrolidin-2-ones with Raney-Ni: an effective approach to gabapentin 183
PHOTO-OXIDATION OF METHYL LINOLEATE AND THE EFFECT OF ALFA-TOCOPHEROL, ASORBIC ACID BETA-CAROTENE AND HEAVY METAL IONS 181
Expedient Synthesis, on Large Scale, of Aliphatic Chaetomellic Anhydrides from N-Allyl-2,2-dichlorocarboxyamides 180
Uncommon 1,2-Migration of a Nitro Group Within a β-Nitrostyryl Moiety: Synthetic Scope and Mechanistic Details 179
THE REACTION OF THRICHLORO AND TRIMETHYLBROMOSILANE-DIMETHYLSULFOXIDE REAGENT SYSTEM ON ALKENES 179
CARBONYL REGENERATION FROM OXIMES AND SEMICARBAZONES BY TRIMETHYLCHLOROSILANE-DIMETHYLSULFOXIDE 178
Sintesi semplificata dell’acido chetomellico A, antitumorale naturale inibitore della Ras farnesil-protein transferasi 177
REGENERATION OF ALPHA-HALOALDEHYDES FROM ALPHA-HALODIMETHYLACETALS 176
Copper mediated cyclization of 1-substituted enamides, dienamides and trienamides: regiochemistry, indigoid formation and methyl migration-aromatization 174
Totale 23.522
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Categoria #
all - tutte 102.689
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 102.689
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/20211.597 0 0 0 0 0 190 202 312 140 320 287 146
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
2025/20265.421 637 703 1.105 1.005 1.145 826 0 0 0 0 0 0
Totale 28.096