GHELFI, Franco
 Distribuzione geografica
Continente #
NA - Nord America 18.776
AS - Asia 7.721
EU - Europa 7.405
SA - Sud America 966
AF - Africa 190
Continente sconosciuto - Info sul continente non disponibili 149
OC - Oceania 47
Totale 35.254
Nazione #
US - Stati Uniti d'America 18.328
GB - Regno Unito 2.663
CN - Cina 2.496
SG - Singapore 2.212
SE - Svezia 1.042
IT - Italia 1.020
DE - Germania 767
HK - Hong Kong 759
VN - Vietnam 756
BR - Brasile 743
UA - Ucraina 377
FI - Finlandia 345
RU - Federazione Russa 338
FR - Francia 295
KR - Corea 280
TR - Turchia 275
CA - Canada 230
IN - India 225
BD - Bangladesh 213
BG - Bulgaria 134
JP - Giappone 106
MX - Messico 93
ZA - Sudafrica 90
AR - Argentina 78
IE - Irlanda 67
NL - Olanda 61
BE - Belgio 60
IQ - Iraq 50
PL - Polonia 49
ES - Italia 46
AU - Australia 41
CO - Colombia 41
ID - Indonesia 34
CH - Svizzera 32
PK - Pakistan 32
UZ - Uzbekistan 31
AE - Emirati Arabi Uniti 27
TW - Taiwan 26
VE - Venezuela 24
CL - Cile 23
EC - Ecuador 23
CR - Costa Rica 22
MY - Malesia 22
IR - Iran 21
MA - Marocco 20
JM - Giamaica 19
RO - Romania 18
SA - Arabia Saudita 18
PH - Filippine 17
LT - Lituania 15
EG - Egitto 14
JO - Giordania 14
PE - Perù 13
TH - Thailandia 13
DZ - Algeria 12
GT - Guatemala 12
IL - Israele 12
KE - Kenya 12
NI - Nicaragua 12
NP - Nepal 11
TN - Tunisia 11
HN - Honduras 10
SV - El Salvador 10
AT - Austria 9
AZ - Azerbaigian 9
CZ - Repubblica Ceca 9
PR - Porto Rico 9
TT - Trinidad e Tobago 9
PY - Paraguay 8
UY - Uruguay 8
CI - Costa d'Avorio 7
KZ - Kazakistan 7
LV - Lettonia 7
PS - Palestinian Territory 7
SN - Senegal 7
BY - Bielorussia 6
CW - ???statistics.table.value.countryCode.CW??? 6
EE - Estonia 6
GE - Georgia 6
NZ - Nuova Zelanda 6
OM - Oman 6
PT - Portogallo 6
HR - Croazia 5
LB - Libano 5
NO - Norvegia 5
RS - Serbia 5
DK - Danimarca 4
ET - Etiopia 4
GP - Guadalupe 4
KG - Kirghizistan 4
QA - Qatar 4
AL - Albania 3
AO - Angola 3
BH - Bahrain 3
BO - Bolivia 3
BZ - Belize 3
CY - Cipro 3
DO - Repubblica Dominicana 3
KH - Cambogia 3
LA - Repubblica Popolare Democratica del Laos 3
Totale 35.065
Città #
Ashburn 2.391
Southend 1.845
Santa Clara 1.575
Singapore 1.443
Fairfield 1.364
Woodbridge 1.108
Hefei 1.035
Chandler 958
Jacksonville 824
Houston 807
Hong Kong 731
Ann Arbor 637
San Jose 580
Seattle 533
Dearborn 532
Nyköping 514
Council Bluffs 491
Wilmington 488
Cambridge 465
Beijing 392
London 372
Los Angeles 328
Dallas 314
Seoul 239
Ho Chi Minh City 229
Helsinki 205
Modena 191
Hanoi 184
Buffalo 178
The Dalles 162
New York 159
Princeton 159
Milan 146
Chicago 141
Shanghai 139
Sofia 133
Eugene 129
San Diego 129
Izmir 122
Lauterbourg 119
Berlin 117
São Paulo 109
Des Moines 95
Munich 95
Bremen 82
Toronto 75
Moscow 74
Dublin 64
Orem 58
Tokyo 53
Washington 53
Atlanta 43
Brooklyn 43
Da Nang 43
Kent 43
Denver 42
Norfolk 42
Phoenix 42
Columbus 41
Frankfurt am Main 40
Bologna 39
Fremont 38
San Mateo 37
Brussels 36
Redondo Beach 36
Rome 35
Montreal 34
Philadelphia 34
Amsterdam 33
Boardman 33
Salt Lake City 33
Tampa 33
Nanjing 32
Redwood City 32
Manchester 31
Reggio Emilia 29
Warsaw 29
Chennai 28
Tashkent 28
Florianópolis 27
Haiphong 27
Hyderabad 27
Yalova 26
Auburn Hills 25
Norwalk 25
Brantford 24
Elk Grove Village 24
Parma 24
Guangzhou 23
Mexico City 23
Miano 23
Naples 23
Rio de Janeiro 23
Belo Horizonte 22
San Francisco 22
Boston 21
Saint Petersburg 21
Kunming 20
Poplar 20
Stockholm 20
Totale 24.865
Nome #
1,2-reduction of alpha,beta-unsaturated hydrazones using dimethylamine-borane/p-toluenesulfonic acid: an easy route to allyl hydrazines 915
Acetic Anhydride/Et3N/DMAP: An Effective Acetylating System for Hemiacetals 425
Chlorination of Alkenes with Manganese Dioxide-Trimethylchlorosilane 423
Axially Chiral Enamides: Substituent Effects, Rotation Barriers, and Implications for their Cyclization Reactions 399
Arylsulfonyl Groups: The Best Cyclization Auxiliaries for the Preparation of ATRC γ-Lactams can be Acidolytically Removed 397
N-(2-hydroxyalkyl)-2,2-dihaloamides by amino-de-alkoxylation of methyl 2,2-dihalocarboxylates 396
Acetals by AlFe-pillared montmorillonite catalysis 367
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 362
THE REACTION OF BENZYLIC ALCOHOLS WITH CHLOROTRIMETHYLSILANE/DIMETHYL SULFOXIDE 362
The treatment of indoles with trimethylhalogenosilanes and sulphoxides J. Chem. Res. (S) 1989, 182 361
A simple and efficient route to chaetomellic anhydride A: A potent natural Ras farnesyl-protein transferase inhibitor 352
A new and effective route to (+/-)-botryodiplodin and (+/-)-epi-botryodiplodin acetates using a halogen atom transfer Ueno-Stork cyclization 350
ACETAL CHLORINATION WITH MNO2-TRIMETHYLCHLOROSILANE 346
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 341
ALPHA-CHLOROMERCAPTALS FROM ALPHA-CHLOROACETALS AND THIOLS 336
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 329
REACTIONS OF THE TRIMETHYLCHLOROSILANE-DIMETHYL SULPHOXIDE REAGENT WITH CARBONYL COMPOUNDS 328
A novel short approach to (Z)-pulchellalactam through Transition-Metal-Catalized Atom-Transfer Radical Cyclization of 1-isopropylprop-2-enyl dichloroacetate 323
THE REACTION OF STYRENES WITH CHLOROTRIMETHYLSILANE DIMETHYL-SULFOXIDE 322
'Ligand-free-like' CuCl-catalyzed atom transfer radical cyclization of N-substituted N-allyl polychloroamides to γ-lactams. 322
An efficient procedure to alfa-hydroxyaldehyde dimethyl acetals 320
Zinc promoted addition of methyl 2,2-dihalocarboxylates to carbonyl compounds 319
Models of rhodium complexes bound to silica: preparation, structure and interconversion of dinuclear silyloxyrhodium complexes 319
REGIOSPECIFIC CONVERSION OF ALPHA,BETA-EPOXY ACETATES TO 3-CHLORO-2-HYDROXY ACETATES 318
A new synthetic route to Tyromycin A and its analogue from renewable resources 318
A short approach to chaetomellic anhydride A from2,2-dichloropalmitic acid: elucidation of the mechanism governingthe functional rearrangement of the chlorinatedpyrrolidin-2-one intermediate 317
Easy approach to 3-benzylimino-2-pyrrolidinones from 3-chloro-4-chloromethyl-2-pyrrolidinones 317
A green way to γ-lactams through a copper catalyzed ARGET-ATRC in ethanol and in the presence of ascorbic acid 316
Halogen atom transfer radical addition of alpha-polychloroesters to olefins promoted by Fe-0 filings 314
Amino-de-Alkoxylation of Methyl 2,2-Dihalocarboxylates 313
An efficient route to aliphatic 2,2-dichloroaldehydes via chlorination of aldehydes or alcohols with the system Cl-2/quaternary ammonium chloride 313
REDUCTIVE COUPLING OF METHYL ALPHA-BROMO-ALPHA-CHLOROCARBOXYLATES 307
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. 307
Atom Tranfer Radical Cyclization (ATRC) applied to a chemo-enzymatic synthesis of Quercus Lactones 307
REGIOSPECIFIC HYDROGEN-CHLORIDE ELIMINATION FROM ALPHA,BETA-DICHLOROALKYL PHENYL SULFIDES 305
ARGET ATRP of styrene in EtOAc/EtOH using only Na2CO3 to promote the copper catalyst regeneration 305
gamma-Alkylketene dithioacetals from 2,3-dichloroaldehyde dithioacetals 304
Base-promoted rearrangement of 2,3-epoxycyclohexanones to phenols 302
Novel Route to Chaetomellic Acid A and Analogues: Serendipitous Discovery of a more Competent FTase Inhibitor 301
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 298
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 295
ON THE INTERMEDIATES OF THE REACTION OF KETONES WITH MNO2-CHLOROTRIMETHYLSILANE 292
Facile conversion of α,β-epoxy ketones to 2-chloro-3-hydroxy ketones by trimethylchlorosilane-dimethyl sulfoxide 290
Functional rearrangement of 3-Cl or 3,3-diCl-γ-lactams bearing a secondary 1-chloroalkyl substituent at C-4 289
Influences of nitrogen base excess on ARGET ATRP of styrene with ascorbic acid acetonide and traces of oxygen and water 287
O-SILYLATION OF ACYLCOBALT TETRACARBONYLS - SYNTHESIS OF A NEW TYPE OF DINUCLEAR MU-2-HYDROXYCARBENE COBALT CARBONYL DERIVATIVES 286
Synthesis of the disubstituted maleic anhydride frame using a novel tandem radical-polar reaction 286
Electrochemical Approach to Copper-Catalyzed Reversed Atom Transfer Radical Cyclization 284
Unusual access to 5-methoxy or 5,5-dimethoxy-4-methyl-3-pyrrolin-2-ones from chlorinated 4-methyl-pyrrolidin-2-ones 283
Deprotection of α -halo aldehydes dimethyl acetals with acetic anhydride-acetyl chloride-sodium acetate trihydrate 281
THE REACTION OF PYRROLES WITH TRIMETHYLHALOSILANES-DIALKYL SULFOXIDES 279
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 279
Conformationally constrained amino acids: A convenient approach to cis-2,3-methano-GABAs 278
SULFOXIDES FROM THIOETHERS AND MNO2-HCL 277
Halogen atom transfer radical cyclization of N-allyl-N-benzyl-2,2-dihaloamides to 2-pyrrolidinones, promoted by Fe-0-FeCl3 or CuCl-TMEDA 277
THE REACTION OF ALKYL PHENYL SULFIDES WITH MANGANESE-DIOXIDE AND ACETYL-CHLORIDE 275
Ferrocene promoted addition of methyl 2,2-dichloro-carboxylates to 1-alkenes 273
CuCl catalyzed radical cyclisation of N-alpha-perchloroacyl-ketene-N,S-acetals: a new way to prepare disubstituted maleic anhydrides 273
THE REACTION OF THRICHLORO AND TRIMETHYLBROMOSILANE-DIMETHYLSULFOXIDE REAGENT SYSTEM ON ALKENES 273
Telechelic oligomers by halogen atom transfer radical addition 272
Sintesi dell’acido chetomellico A, un antitumorale naturale inibitore della RAS farnesil-protein transferasi (FPTasi) 268
The CuBr/Fe promoted olefin alkylation of 2-Br-2-Cl-carboxylate methyl esters 267
The Fe-0 promoted addition of CCl4 and CCl3Br to olefins 265
BETA-CHLOROALKYL SULFIDES FROM ME2S/SO2CL2/ME2SO AND ALKENES 263
Silybin, a new iron-chelating agent 259
Esterase-mediated synthesis of optically active GABA analogues containing a stereogenic all-carbon quaternary carbon atom. 257
PREPARATION OF 2,2-DIHALOCARBOXYLIC ACID METHYL-ESTERS BY OXIDATION CHLORINATION OF 2-(1-HALOALKYL)-4-METHYL-1,3-DIOXOLANES WITH TRICHLOROISOCYANURIC ACID 255
REACTION OF MANGANESE(III) ACETATE-ACETYL CHLORIDE WITH BENZENES 255
Atom transfer radical cyclization of O-allyl-2,2-dichlorohemiacetal acetates: an expedient method to dichloro-γ-lactones 255
SYNTHESIS OF 2-(1-CHLOROALKYL)-1,3-BENZODITHIOLES AND 2-ALKYLIDENE-1,3-BENZODITHIOLES 254
Chlorination of alkenes with manganese dioxide-manganese dichloride-acetyl chloride in dimethylformamide 254
The CuBr/Fe-0 promoted radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 254
PROCESS FOR PREPARING GABAPENTIN 253
Functional rearrangement of polychlorinated pyrrolidin-2-onesto 5-imino-lactams promoted by n-propylamine 251
Fe-0 initiated halogen atom transfer radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 249
Radical initiation using borole derivatives 249
The reaction of the acetates of alpha-chloro methyl hemiacetals with nucleophiles. Synthesis of 2-hydroxy-1,4-dithianes 248
Rearrangement of N-allyl-alpha,alpha-dichloroamides, beta- or gamma-functionalized, to substituted analogues of the gamma-aminobutyric acid (GABA) 248
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 247
OXIDATION OF ALPHA-ACETOXY ACETALS WITH TRICHLOROISOCYANURIC ACID 247
DIENE CHLORINATION WITH MANGANESE-DIOXIDE TRIMETHYL-CHLOROSILANE 247
OXIDATION OF THIOETHERS BY MANGANESE(IV) OXIDE-TRIMETHYLCHLOROSILANE 247
2,2-Dichloroaldehydes and 2,2-dichlorocarboxylic acids from 2-picoline center dot HCl catalyzed chlorination of aldehydes 246
Reductive homo-coupling of methyl 2-Br-2-Cl-carboxylates promoted by CuBr-Fe0 243
Breakthrough in the alpha-perchlorination of acyl chlorides 243
DIMETHYLACETALS BROMINATION BY Br2-TRIMETHYLCHLOROSILANE-NaBr 240
Copper-catalyzed ARGET ATRP of styrene from ethyl α-haloisobutyrate in EtOAc/EtOH, using ascorbic acid/Na2CO3 as reducing system 239
Ruthenium(II)-catalyzed oxidation of alcohols by persulfate 235
Apolar versus Polar Solvents: A Comparison of the Strength of Some Organic Acids againstDifferent Bases in Toluene and in Water 235
First Chemoenzymatic Synthesis of (1)-2-Carboxypyrrolidine-3-AceticAcid, the Nucleus of Kainoid Amino Acids 234
The chlorination of ketones with manganese(IV) chloride 232
Sintesi semplificata dell’acido chetomellico A, antitumorale naturale inibitore della Ras farnesil-protein transferasi 230
Synthesis of 5-methoxylated 3-pyrrolin-2-one via the rearrangement of chlorinated pyrrolidin-2-ones 229
TRIMETHYLCHLOROSILANE-MEDIATED FORMATION OF 2-CHLOROCYCLOHEXYL SULPHIDES BY SULPHOXIDES 228
Simultaneous deprotection-oxidation of cyclic hemiacetals: A fine ending for a Ueno-Stork ATRC to dichloro-γ-lactones 228
Stereoselective Dehydrobromination of alkyl alpha-Br-alpha-Cl-carboxylates 228
Undecylenic acid: a valuable renewable Building Block on route to Tyromycin A derivatives 226
REGENERATION OF ALPHA-HALOALDEHYDES FROM ALPHA-HALODIMETHYLACETALS 224
Lipase-catalysed deacetylation of botryodiplodin acetate 223
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%) 223
Totale 29.383
Categoria #
all - tutte 126.487
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 126.487


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20221.670 0 0 0 212 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
2025/20269.442 637 703 1.105 1.005 1.145 839 931 529 906 778 464 400
2026/20273.137 390 519 845 1.383 0 0 0 0 0 0 0 0
Totale 35.254