GHELFI, Franco
 Distribuzione geografica
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Continente #
NA - Nord America 16.749
AS - Asia 7.703
EU - Europa 7.337
SA - Sud America 923
AF - Africa 190
Continente sconosciuto - Info sul continente non disponibili 143
OC - Oceania 46
Totale 33.091
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Nazione #
US - Stati Uniti d'America 16.443
GB - Regno Unito 2.655
CN - Cina 2.493
SG - Singapore 2.209
SE - Svezia 1.040
IT - Italia 980
DE - Germania 758
HK - Hong Kong 758
VN - Vietnam 756
BR - Brasile 701
UA - Ucraina 377
FI - Finlandia 345
RU - Federazione Russa 338
FR - Francia 293
KR - Corea 280
TR - Turchia 275
IN - India 223
BD - Bangladesh 211
CA - Canada 164
BG - Bulgaria 134
JP - Giappone 104
MX - Messico 91
ZA - Sudafrica 90
AR - Argentina 78
IE - Irlanda 66
BE - Belgio 60
NL - Olanda 60
IQ - Iraq 50
PL - Polonia 49
ES - Italia 44
AU - Australia 40
CO - Colombia 40
ID - Indonesia 34
PK - Pakistan 32
CH - Svizzera 31
UZ - Uzbekistan 31
AE - Emirati Arabi Uniti 27
TW - Taiwan 26
VE - Venezuela 24
CL - Cile 23
EC - Ecuador 23
MY - Malesia 22
IR - Iran 21
MA - Marocco 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
CR - Costa Rica 12
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
PY - Paraguay 8
UY - Uruguay 8
CI - Costa d'Avorio 7
JM - Giamaica 7
LV - Lettonia 7
PS - Palestinian Territory 7
SN - Senegal 7
BY - Bielorussia 6
GE - Georgia 6
GT - Guatemala 6
KZ - Kazakistan 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
EE - Estonia 4
ET - Etiopia 4
KG - Kirghizistan 4
NI - Nicaragua 4
QA - Qatar 4
AL - Albania 3
AO - Angola 3
BH - Bahrain 3
BO - Bolivia 3
CY - Cipro 3
DO - Repubblica Dominicana 3
HN - Honduras 3
KH - Cambogia 3
LA - Repubblica Popolare Democratica del Laos 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
Totale 32.914
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Città #
Southend 1.845
Ashburn 1.571
Santa Clara 1.558
Singapore 1.442
Fairfield 1.364
Woodbridge 1.108
Hefei 1.035
Chandler 957
Jacksonville 821
Houston 806
Hong Kong 730
Ann Arbor 637
Seattle 533
Dearborn 532
Nyköping 514
Wilmington 488
Cambridge 465
San Jose 440
Beijing 392
Council Bluffs 373
London 371
Dallas 304
Los Angeles 303
Seoul 239
Ho Chi Minh City 229
Helsinki 205
Modena 191
Hanoi 184
Buffalo 173
Princeton 156
The Dalles 156
New York 147
Milan 142
Shanghai 139
Sofia 133
Chicago 131
Eugene 129
San Diego 129
Izmir 122
Lauterbourg 119
Berlin 117
Des Moines 95
Munich 95
Bremen 82
Moscow 74
São Paulo 69
Dublin 64
Orem 57
Tokyo 51
Toronto 45
Da Nang 43
Kent 43
Frankfurt am Main 40
Bologna 39
Brooklyn 39
Fremont 37
San Mateo 37
Brussels 36
Redondo Beach 36
Atlanta 35
Amsterdam 33
Boardman 33
Tampa 33
Columbus 32
Nanjing 32
Redwood City 32
Salt Lake City 32
Rome 31
Denver 30
Philadelphia 30
Phoenix 30
Manchester 29
Reggio Emilia 29
Warsaw 29
Chennai 28
Tashkent 28
Florianópolis 27
Haiphong 27
Hyderabad 27
Yalova 26
Auburn Hills 25
Montreal 25
Norwalk 25
Brantford 24
Elk Grove Village 24
Parma 24
Guangzhou 23
Mexico City 23
Miano 23
Rio de Janeiro 23
Belo Horizonte 22
Saint Petersburg 21
Boston 20
Kunming 20
Poplar 20
Naples 19
San Francisco 19
Stockholm 19
Jinan 18
Johannesburg 18
Totale 23.480
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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 886
Acetic Anhydride/Et3N/DMAP: An Effective Acetylating System for Hemiacetals 412
Chlorination of Alkenes with Manganese Dioxide-Trimethylchlorosilane 410
N-(2-hydroxyalkyl)-2,2-dihaloamides by amino-de-alkoxylation of methyl 2,2-dihalocarboxylates 388
Arylsulfonyl Groups: The Best Cyclization Auxiliaries for the Preparation of ATRC γ-Lactams can be Acidolytically Removed 386
Axially Chiral Enamides: Substituent Effects, Rotation Barriers, and Implications for their Cyclization Reactions 383
Acetals by AlFe-pillared montmorillonite catalysis 358
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 350
A new and effective route to (+/-)-botryodiplodin and (+/-)-epi-botryodiplodin acetates using a halogen atom transfer Ueno-Stork cyclization 341
A simple and efficient route to chaetomellic anhydride A: A potent natural Ras farnesyl-protein transferase inhibitor 336
ACETAL CHLORINATION WITH MNO2-TRIMETHYLCHLOROSILANE 331
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 331
The treatment of indoles with trimethylhalogenosilanes and sulphoxides J. Chem. Res. (S) 1989, 182 319
THE REACTION OF BENZYLIC ALCOHOLS WITH CHLOROTRIMETHYLSILANE/DIMETHYL SULFOXIDE 315
A novel short approach to (Z)-pulchellalactam through Transition-Metal-Catalized Atom-Transfer Radical Cyclization of 1-isopropylprop-2-enyl dichloroacetate 314
Zinc promoted addition of methyl 2,2-dihalocarboxylates to carbonyl compounds 312
A short approach to chaetomellic anhydride A from2,2-dichloropalmitic acid: elucidation of the mechanism governingthe functional rearrangement of the chlorinatedpyrrolidin-2-one intermediate 311
'Ligand-free-like' CuCl-catalyzed atom transfer radical cyclization of N-substituted N-allyl polychloroamides to γ-lactams. 310
Easy approach to 3-benzylimino-2-pyrrolidinones from 3-chloro-4-chloromethyl-2-pyrrolidinones 308
An efficient procedure to alfa-hydroxyaldehyde dimethyl acetals 307
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 307
Halogen atom transfer radical addition of alpha-polychloroesters to olefins promoted by Fe-0 filings 305
Models of rhodium complexes bound to silica: preparation, structure and interconversion of dinuclear silyloxyrhodium complexes 305
An efficient route to aliphatic 2,2-dichloroaldehydes via chlorination of aldehydes or alcohols with the system Cl-2/quaternary ammonium chloride 304
A green way to γ-lactams through a copper catalyzed ARGET-ATRC in ethanol and in the presence of ascorbic acid 301
Amino-de-Alkoxylation of Methyl 2,2-Dihalocarboxylates 300
A new synthetic route to Tyromycin A and its analogue from renewable resources 300
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. 293
Atom Tranfer Radical Cyclization (ATRC) applied to a chemo-enzymatic synthesis of Quercus Lactones 293
Novel Route to Chaetomellic Acid A and Analogues: Serendipitous Discovery of a more Competent FTase Inhibitor 291
Base-promoted rearrangement of 2,3-epoxycyclohexanones to phenols 289
REACTIONS OF THE TRIMETHYLCHLOROSILANE-DIMETHYL SULPHOXIDE REAGENT WITH CARBONYL COMPOUNDS 285
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 284
ARGET ATRP of styrene in EtOAc/EtOH using only Na2CO3 to promote the copper catalyst regeneration 283
Facile conversion of α,β-epoxy ketones to 2-chloro-3-hydroxy ketones by trimethylchlorosilane-dimethyl sulfoxide 280
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 279
Functional rearrangement of 3-Cl or 3,3-diCl-γ-lactams bearing a secondary 1-chloroalkyl substituent at C-4 275
Electrochemical Approach to Copper-Catalyzed Reversed Atom Transfer Radical Cyclization 275
Unusual access to 5-methoxy or 5,5-dimethoxy-4-methyl-3-pyrrolin-2-ones from chlorinated 4-methyl-pyrrolidin-2-ones 275
Synthesis of the disubstituted maleic anhydride frame using a novel tandem radical-polar reaction 274
ALPHA-CHLOROMERCAPTALS FROM ALPHA-CHLOROACETALS AND THIOLS 272
THE REACTION OF STYRENES WITH CHLOROTRIMETHYLSILANE DIMETHYL-SULFOXIDE 272
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 272
Halogen atom transfer radical cyclization of N-allyl-N-benzyl-2,2-dihaloamides to 2-pyrrolidinones, promoted by Fe-0-FeCl3 or CuCl-TMEDA 271
Conformationally constrained amino acids: A convenient approach to cis-2,3-methano-GABAs 270
THE REACTION OF PYRROLES WITH TRIMETHYLHALOSILANES-DIALKYL SULFOXIDES 269
Deprotection of α -halo aldehydes dimethyl acetals with acetic anhydride-acetyl chloride-sodium acetate trihydrate 269
REDUCTIVE COUPLING OF METHYL ALPHA-BROMO-ALPHA-CHLOROCARBOXYLATES 268
Ferrocene promoted addition of methyl 2,2-dichloro-carboxylates to 1-alkenes 266
SULFOXIDES FROM THIOETHERS AND MNO2-HCL 265
O-SILYLATION OF ACYLCOBALT TETRACARBONYLS - SYNTHESIS OF A NEW TYPE OF DINUCLEAR MU-2-HYDROXYCARBENE COBALT CARBONYL DERIVATIVES 263
Telechelic oligomers by halogen atom transfer radical addition 263
gamma-Alkylketene dithioacetals from 2,3-dichloroaldehyde dithioacetals 260
The CuBr/Fe promoted olefin alkylation of 2-Br-2-Cl-carboxylate methyl esters 258
The Fe-0 promoted addition of CCl4 and CCl3Br to olefins 255
CuCl catalyzed radical cyclisation of N-alpha-perchloroacyl-ketene-N,S-acetals: a new way to prepare disubstituted maleic anhydrides 254
BETA-CHLOROALKYL SULFIDES FROM ME2S/SO2CL2/ME2SO AND ALKENES 253
REGIOSPECIFIC CONVERSION OF ALPHA,BETA-EPOXY ACETATES TO 3-CHLORO-2-HYDROXY ACETATES 249
PROCESS FOR PREPARING GABAPENTIN 248
Influences of nitrogen base excess on ARGET ATRP of styrene with ascorbic acid acetonide and traces of oxygen and water 246
ON THE INTERMEDIATES OF THE REACTION OF KETONES WITH MNO2-CHLOROTRIMETHYLSILANE 245
Atom transfer radical cyclization of O-allyl-2,2-dichlorohemiacetal acetates: an expedient method to dichloro-γ-lactones 245
The CuBr/Fe-0 promoted radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 244
Radical initiation using borole derivatives 243
Chlorination of alkenes with manganese dioxide-manganese dichloride-acetyl chloride in dimethylformamide 242
Functional rearrangement of polychlorinated pyrrolidin-2-onesto 5-imino-lactams promoted by n-propylamine 241
SYNTHESIS OF 2-(1-CHLOROALKYL)-1,3-BENZODITHIOLES AND 2-ALKYLIDENE-1,3-BENZODITHIOLES 239
Reductive homo-coupling of methyl 2-Br-2-Cl-carboxylates promoted by CuBr-Fe0 239
Rearrangement of N-allyl-alpha,alpha-dichloroamides, beta- or gamma-functionalized, to substituted analogues of the gamma-aminobutyric acid (GABA) 239
PREPARATION OF 2,2-DIHALOCARBOXYLIC ACID METHYL-ESTERS BY OXIDATION CHLORINATION OF 2-(1-HALOALKYL)-4-METHYL-1,3-DIOXOLANES WITH TRICHLOROISOCYANURIC ACID 238
Esterase-mediated synthesis of optically active GABA analogues containing a stereogenic all-carbon quaternary carbon atom. 237
OXIDATION OF THIOETHERS BY MANGANESE(IV) OXIDE-TRIMETHYLCHLOROSILANE 237
Fe-0 initiated halogen atom transfer radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 236
OXIDATION OF ALPHA-ACETOXY ACETALS WITH TRICHLOROISOCYANURIC ACID 235
Sintesi dell’acido chetomellico A, un antitumorale naturale inibitore della RAS farnesil-protein transferasi (FPTasi) 235
Silybin, a new iron-chelating agent 235
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 234
REGIOSPECIFIC HYDROGEN-CHLORIDE ELIMINATION FROM ALPHA,BETA-DICHLOROALKYL PHENYL SULFIDES 234
THE REACTION OF ALKYL PHENYL SULFIDES WITH MANGANESE-DIOXIDE AND ACETYL-CHLORIDE 234
DIENE CHLORINATION WITH MANGANESE-DIOXIDE TRIMETHYL-CHLOROSILANE 233
Breakthrough in the alpha-perchlorination of acyl chlorides 232
The reaction of the acetates of alpha-chloro methyl hemiacetals with nucleophiles. Synthesis of 2-hydroxy-1,4-dithianes 230
DIMETHYLACETALS BROMINATION BY Br2-TRIMETHYLCHLOROSILANE-NaBr 227
Apolar versus Polar Solvents: A Comparison of the Strength of Some Organic Acids againstDifferent Bases in Toluene and in Water 227
Simultaneous deprotection-oxidation of cyclic hemiacetals: A fine ending for a Ueno-Stork ATRC to dichloro-γ-lactones 223
2,2-Dichloroaldehydes and 2,2-dichlorocarboxylic acids from 2-picoline center dot HCl catalyzed chlorination of aldehydes 222
Stereoselective Dehydrobromination of alkyl alpha-Br-alpha-Cl-carboxylates 219
First Chemoenzymatic Synthesis of (1)-2-Carboxypyrrolidine-3-AceticAcid, the Nucleus of Kainoid Amino Acids 218
Undecylenic acid: a valuable renewable Building Block on route to Tyromycin A derivatives 217
Copper-catalyzed ARGET ATRP of styrene from ethyl α-haloisobutyrate in EtOAc/EtOH, using ascorbic acid/Na2CO3 as reducing system 216
Ruthenium(II)-catalyzed oxidation of alcohols by persulfate 216
Lipase-catalysed deacetylation of botryodiplodin acetate 216
Synthesis of 5-methoxylated 3-pyrrolin-2-one via the rearrangement of chlorinated pyrrolidin-2-ones 215
TRIMETHYLCHLOROSILANE-MEDIATED FORMATION OF 2-CHLOROCYCLOHEXYL SULPHIDES BY SULPHOXIDES 214
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%) 214
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 214
TRICHLOROISOCYANURIC ACID OXIDATION OF 2-CHLORO ALDEHYDE ACETALS TO 2-CHLORO ACID-ESTERS 212
Hydro-de-halogenation and consecutive deprotection of chlorinated N-amido-pyrrolidin-2-ones with Raney-Ni: an effective approach to gabapentin 211
THE REACTION OF THRICHLORO AND TRIMETHYLBROMOSILANE-DIMETHYLSULFOXIDE REAGENT SYSTEM ON ALKENES 210
REGENERATION OF ALPHA-HALOALDEHYDES FROM ALPHA-HALODIMETHYLACETALS 209
Totale 27.576
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Categoria #
all - tutte 120.309
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 120.309
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20221.912 0 0 242 212 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
2025/20269.442 637 703 1.105 1.005 1.145 839 931 529 906 778 464 400
2026/2027974 390 519 65 0 0 0 0 0 0 0 0 0
Totale 33.091