GHELFI, Franco
 Distribuzione geografica
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Continente #
NA - Nord America 15.828
AS - Asia 7.601
EU - Europa 7.248
SA - Sud America 906
AF - Africa 190
OC - Oceania 39
Continente sconosciuto - Info sul continente non disponibili 5
Totale 31.817
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Nazione #
US - Stati Uniti d'America 15.556
GB - Regno Unito 2.654
CN - Cina 2.473
SG - Singapore 2.198
SE - Svezia 1.039
IT - Italia 911
VN - Vietnam 755
DE - Germania 749
HK - Hong Kong 745
BR - Brasile 692
UA - Ucraina 377
FI - Finlandia 344
RU - Federazione Russa 338
FR - Francia 292
KR - Corea 280
TR - Turchia 275
IN - India 221
BD - Bangladesh 161
CA - Canada 146
BG - Bulgaria 134
JP - Giappone 104
ZA - Sudafrica 90
MX - Messico 89
AR - Argentina 77
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
PK - Pakistan 32
CH - Svizzera 31
UZ - Uzbekistan 31
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 20
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
CR - Costa Rica 9
CZ - Repubblica Ceca 9
UY - Uruguay 8
CI - Costa d'Avorio 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
GT - Guatemala 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
Totale 31.780
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Città #
Southend 1.845
Santa Clara 1.507
Singapore 1.439
Fairfield 1.364
Ashburn 1.274
Woodbridge 1.107
Hefei 1.035
Chandler 957
Jacksonville 820
Houston 805
Hong Kong 720
Ann Arbor 637
Dearborn 532
Seattle 530
Nyköping 514
Wilmington 487
Cambridge 464
Beijing 385
London 370
San Jose 355
Dallas 297
Los Angeles 285
Seoul 239
Ho Chi Minh City 228
Council Bluffs 208
Helsinki 204
Modena 191
Hanoi 184
Buffalo 168
Princeton 156
The Dalles 155
New York 141
Shanghai 137
Sofia 133
Eugene 129
Milan 129
Chicago 128
San Diego 127
Izmir 122
Lauterbourg 119
Berlin 117
Des Moines 95
Munich 95
Bremen 82
Moscow 74
São Paulo 69
Dublin 64
Orem 57
Tokyo 51
Da Nang 43
Kent 43
Toronto 42
Frankfurt am Main 40
Bologna 37
Fremont 37
San Mateo 37
Brussels 36
Brooklyn 34
Amsterdam 33
Atlanta 33
Tampa 33
Nanjing 32
Redwood City 32
Salt Lake City 32
Denver 30
Boardman 29
Manchester 29
Philadelphia 29
Reggio Emilia 29
Warsaw 29
Chennai 28
Tashkent 28
Florianópolis 27
Haiphong 27
Hyderabad 27
Yalova 26
Auburn Hills 25
Norwalk 25
Phoenix 25
Brantford 24
Elk Grove Village 24
Montreal 24
Parma 24
Guangzhou 23
Miano 23
Rio de Janeiro 23
Belo Horizonte 22
Rome 22
Mexico City 21
Saint Petersburg 21
Kunming 20
Poplar 20
Stockholm 19
Boston 18
Jinan 18
Johannesburg 18
Naples 17
San Francisco 17
Turku 17
Verona 17
Totale 22.720
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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 856
Chlorination of Alkenes with Manganese Dioxide-Trimethylchlorosilane 396
Acetic Anhydride/Et3N/DMAP: An Effective Acetylating System for Hemiacetals 396
N-(2-hydroxyalkyl)-2,2-dihaloamides by amino-de-alkoxylation of methyl 2,2-dihalocarboxylates 381
Arylsulfonyl Groups: The Best Cyclization Auxiliaries for the Preparation of ATRC γ-Lactams can be Acidolytically Removed 377
Axially Chiral Enamides: Substituent Effects, Rotation Barriers, and Implications for their Cyclization Reactions 373
Acetals by AlFe-pillared montmorillonite catalysis 352
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 345
A simple and efficient route to chaetomellic anhydride A: A potent natural Ras farnesyl-protein transferase inhibitor 330
A new and effective route to (+/-)-botryodiplodin and (+/-)-epi-botryodiplodin acetates using a halogen atom transfer Ueno-Stork cyclization 329
ACETAL CHLORINATION WITH MNO2-TRIMETHYLCHLOROSILANE 325
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 321
THE REACTION OF BENZYLIC ALCOHOLS WITH CHLOROTRIMETHYLSILANE/DIMETHYL SULFOXIDE 310
The treatment of indoles with trimethylhalogenosilanes and sulphoxides J. Chem. Res. (S) 1989, 182 308
A novel short approach to (Z)-pulchellalactam through Transition-Metal-Catalized Atom-Transfer Radical Cyclization of 1-isopropylprop-2-enyl dichloroacetate 306
Zinc promoted addition of methyl 2,2-dihalocarboxylates to carbonyl compounds 303
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 303
A short approach to chaetomellic anhydride A from2,2-dichloropalmitic acid: elucidation of the mechanism governingthe functional rearrangement of the chlorinatedpyrrolidin-2-one intermediate 302
'Ligand-free-like' CuCl-catalyzed atom transfer radical cyclization of N-substituted N-allyl polychloroamides to γ-lactams. 302
Easy approach to 3-benzylimino-2-pyrrolidinones from 3-chloro-4-chloromethyl-2-pyrrolidinones 300
Halogen atom transfer radical addition of alpha-polychloroesters to olefins promoted by Fe-0 filings 298
An efficient procedure to alfa-hydroxyaldehyde dimethyl acetals 297
Models of rhodium complexes bound to silica: preparation, structure and interconversion of dinuclear silyloxyrhodium complexes 295
An efficient route to aliphatic 2,2-dichloroaldehydes via chlorination of aldehydes or alcohols with the system Cl-2/quaternary ammonium chloride 295
A new synthetic route to Tyromycin A and its analogue from renewable resources 293
A green way to γ-lactams through a copper catalyzed ARGET-ATRC in ethanol and in the presence of ascorbic acid 289
Amino-de-Alkoxylation of Methyl 2,2-Dihalocarboxylates 286
Atom Tranfer Radical Cyclization (ATRC) applied to a chemo-enzymatic synthesis of Quercus Lactones 284
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. 283
Base-promoted rearrangement of 2,3-epoxycyclohexanones to phenols 279
REACTIONS OF THE TRIMETHYLCHLOROSILANE-DIMETHYL SULPHOXIDE REAGENT WITH CARBONYL COMPOUNDS 275
Facile conversion of α,β-epoxy ketones to 2-chloro-3-hydroxy ketones by trimethylchlorosilane-dimethyl sulfoxide 273
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 272
ARGET ATRP of styrene in EtOAc/EtOH using only Na2CO3 to promote the copper catalyst regeneration 269
Unusual access to 5-methoxy or 5,5-dimethoxy-4-methyl-3-pyrrolin-2-ones from chlorinated 4-methyl-pyrrolidin-2-ones 268
Functional rearrangement of 3-Cl or 3,3-diCl-γ-lactams bearing a secondary 1-chloroalkyl substituent at C-4 267
ALPHA-CHLOROMERCAPTALS FROM ALPHA-CHLOROACETALS AND THIOLS 265
THE REACTION OF STYRENES WITH CHLOROTRIMETHYLSILANE DIMETHYL-SULFOXIDE 264
Conformationally constrained amino acids: A convenient approach to cis-2,3-methano-GABAs 264
Synthesis of the disubstituted maleic anhydride frame using a novel tandem radical-polar reaction 264
Ferrocene promoted addition of methyl 2,2-dichloro-carboxylates to 1-alkenes 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 263
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 263
Deprotection of α -halo aldehydes dimethyl acetals with acetic anhydride-acetyl chloride-sodium acetate trihydrate 262
Electrochemical Approach to Copper-Catalyzed Reversed Atom Transfer Radical Cyclization 262
The Boulton–Katritzky Reaction: A Kinetic Study of the Effect of 5-Nitrogen Substituents on the Rearrangement of Some (Z)-Phenylhydrazones of 3-Benzoyl-1,2,4-oxadiazoles 262
THE REACTION OF PYRROLES WITH TRIMETHYLHALOSILANES-DIALKYL SULFOXIDES 260
Telechelic oligomers by halogen atom transfer radical addition 260
REDUCTIVE COUPLING OF METHYL ALPHA-BROMO-ALPHA-CHLOROCARBOXYLATES 259
Novel Route to Chaetomellic Acid A and Analogues: Serendipitous Discovery of a more Competent FTase Inhibitor 259
O-SILYLATION OF ACYLCOBALT TETRACARBONYLS - SYNTHESIS OF A NEW TYPE OF DINUCLEAR MU-2-HYDROXYCARBENE COBALT CARBONYL DERIVATIVES 254
The CuBr/Fe promoted olefin alkylation of 2-Br-2-Cl-carboxylate methyl esters 251
SULFOXIDES FROM THIOETHERS AND MNO2-HCL 250
gamma-Alkylketene dithioacetals from 2,3-dichloroaldehyde dithioacetals 248
The Fe-0 promoted addition of CCl4 and CCl3Br to olefins 248
REGIOSPECIFIC CONVERSION OF ALPHA,BETA-EPOXY ACETATES TO 3-CHLORO-2-HYDROXY ACETATES 241
CuCl catalyzed radical cyclisation of N-alpha-perchloroacyl-ketene-N,S-acetals: a new way to prepare disubstituted maleic anhydrides 241
BETA-CHLOROALKYL SULFIDES FROM ME2S/SO2CL2/ME2SO AND ALKENES 241
ON THE INTERMEDIATES OF THE REACTION OF KETONES WITH MNO2-CHLOROTRIMETHYLSILANE 239
PROCESS FOR PREPARING GABAPENTIN 239
Atom transfer radical cyclization of O-allyl-2,2-dichlorohemiacetal acetates: an expedient method to dichloro-γ-lactones 239
The CuBr/Fe-0 promoted radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 238
Radical initiation using borole derivatives 235
Functional rearrangement of polychlorinated pyrrolidin-2-onesto 5-imino-lactams promoted by n-propylamine 235
Chlorination of alkenes with manganese dioxide-manganese dichloride-acetyl chloride in dimethylformamide 234
Influences of nitrogen base excess on ARGET ATRP of styrene with ascorbic acid acetonide and traces of oxygen and water 232
SYNTHESIS OF 2-(1-CHLOROALKYL)-1,3-BENZODITHIOLES AND 2-ALKYLIDENE-1,3-BENZODITHIOLES 232
Fe-0 initiated halogen atom transfer radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 231
Esterase-mediated synthesis of optically active GABA analogues containing a stereogenic all-carbon quaternary carbon atom. 231
OXIDATION OF THIOETHERS BY MANGANESE(IV) OXIDE-TRIMETHYLCHLOROSILANE 231
Rearrangement of N-allyl-alpha,alpha-dichloroamides, beta- or gamma-functionalized, to substituted analogues of the gamma-aminobutyric acid (GABA) 231
THE REACTION OF ALKYL PHENYL SULFIDES WITH MANGANESE-DIOXIDE AND ACETYL-CHLORIDE 229
Reductive homo-coupling of methyl 2-Br-2-Cl-carboxylates promoted by CuBr-Fe0 229
PREPARATION OF 2,2-DIHALOCARBOXYLIC ACID METHYL-ESTERS BY OXIDATION CHLORINATION OF 2-(1-HALOALKYL)-4-METHYL-1,3-DIOXOLANES WITH TRICHLOROISOCYANURIC ACID 228
OXIDATION OF ALPHA-ACETOXY ACETALS WITH TRICHLOROISOCYANURIC ACID 228
REGIOSPECIFIC HYDROGEN-CHLORIDE ELIMINATION FROM ALPHA,BETA-DICHLOROALKYL PHENYL SULFIDES 228
DIENE CHLORINATION WITH MANGANESE-DIOXIDE TRIMETHYL-CHLOROSILANE 227
Sintesi dell’acido chetomellico A, un antitumorale naturale inibitore della RAS farnesil-protein transferasi (FPTasi) 226
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 225
The reaction of the acetates of alpha-chloro methyl hemiacetals with nucleophiles. Synthesis of 2-hydroxy-1,4-dithianes 225
DIMETHYLACETALS BROMINATION BY Br2-TRIMETHYLCHLOROSILANE-NaBr 224
Breakthrough in the alpha-perchlorination of acyl chlorides 222
Apolar versus Polar Solvents: A Comparison of the Strength of Some Organic Acids againstDifferent Bases in Toluene and in Water 219
Silybin, a new iron-chelating agent 216
First Chemoenzymatic Synthesis of (1)-2-Carboxypyrrolidine-3-AceticAcid, the Nucleus of Kainoid Amino Acids 215
Simultaneous deprotection-oxidation of cyclic hemiacetals: A fine ending for a Ueno-Stork ATRC to dichloro-γ-lactones 215
2,2-Dichloroaldehydes and 2,2-dichlorocarboxylic acids from 2-picoline center dot HCl catalyzed chlorination of aldehydes 215
Lipase-catalysed deacetylation of botryodiplodin acetate 211
Stereoselective Dehydrobromination of alkyl alpha-Br-alpha-Cl-carboxylates 211
Synthesis of 5-methoxylated 3-pyrrolin-2-one via the rearrangement of chlorinated pyrrolidin-2-ones 209
TRIMETHYLCHLOROSILANE-MEDIATED FORMATION OF 2-CHLOROCYCLOHEXYL SULPHIDES BY SULPHOXIDES 209
Undecylenic acid: a valuable renewable Building Block on route to Tyromycin A derivatives 209
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 207
THE REACTION OF THRICHLORO AND TRIMETHYLBROMOSILANE-DIMETHYLSULFOXIDE REAGENT SYSTEM ON ALKENES 206
Ruthenium(II)-catalyzed oxidation of alcohols by persulfate 205
PHOTO-OXIDATION OF METHYL LINOLEATE AND THE EFFECT OF ALFA-TOCOPHEROL, ASORBIC ACID BETA-CAROTENE AND HEAVY METAL IONS 204
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%) 204
Expedient Synthesis, on Large Scale, of Aliphatic Chaetomellic Anhydrides from N-Allyl-2,2-dichlorocarboxyamides 203
Sintesi semplificata dell’acido chetomellico A, antitumorale naturale inibitore della Ras farnesil-protein transferasi 201
TRICHLOROISOCYANURIC ACID OXIDATION OF 2-CHLORO ALDEHYDE ACETALS TO 2-CHLORO ACID-ESTERS 200
Totale 26.679
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Categoria #
all - tutte 113.451
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 113.451
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021146 0 0 0 0 0 0 0 0 0 0 0 146
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
2025/20269.280 637 703 1.105 1.005 1.145 839 931 529 906 778 464 238
Totale 31.955