GHELFI, Franco
 Distribuzione geografica
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Continente #
NA - Nord America 12.174
EU - Europa 5.539
AS - Asia 1.962
SA - Sud America 65
AF - Africa 64
OC - Oceania 27
Continente sconosciuto - Info sul continente non disponibili 4
Totale 19.835
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Nazione #
US - Stati Uniti d'America 12.095
GB - Regno Unito 2.247
SE - Svezia 943
CN - Cina 701
IT - Italia 685
SG - Singapore 556
DE - Germania 511
UA - Ucraina 355
HK - Hong Kong 234
TR - Turchia 217
FI - Finlandia 209
BG - Bulgaria 131
FR - Francia 119
RU - Federazione Russa 86
IN - India 81
CA - Canada 65
IE - Irlanda 59
JP - Giappone 58
ZA - Sudafrica 58
BE - Belgio 52
BR - Brasile 41
CH - Svizzera 31
KR - Corea 27
NL - Olanda 26
AU - Australia 24
ES - Italia 21
TW - Taiwan 21
IR - Iran 17
MY - Malesia 16
RO - Romania 15
CO - Colombia 14
MX - Messico 12
PL - Polonia 10
CZ - Repubblica Ceca 7
ID - Indonesia 7
LT - Lituania 6
SA - Arabia Saudita 6
VN - Vietnam 6
PT - Portogallo 4
AR - Argentina 3
AT - Austria 3
DK - Danimarca 3
EG - Egitto 3
IL - Israele 3
LV - Lettonia 3
NO - Norvegia 3
NZ - Nuova Zelanda 3
A2 - ???statistics.table.value.countryCode.A2??? 2
BD - Bangladesh 2
BY - Bielorussia 2
EC - Ecuador 2
EE - Estonia 2
EU - Europa 2
MA - Marocco 2
PE - Perù 2
SI - Slovenia 2
TH - Thailandia 2
AE - Emirati Arabi Uniti 1
AL - Albania 1
AM - Armenia 1
BO - Bolivia 1
BZ - Belize 1
CI - Costa d'Avorio 1
CL - Cile 1
HU - Ungheria 1
IQ - Iraq 1
IS - Islanda 1
JO - Giordania 1
KZ - Kazakistan 1
MD - Moldavia 1
PA - Panama 1
PH - Filippine 1
PK - Pakistan 1
TM - Turkmenistan 1
VE - Venezuela 1
Totale 19.835
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Città #
Southend 1.845
Santa Clara 1.459
Fairfield 1.365
Woodbridge 1.107
Chandler 963
Jacksonville 817
Houston 780
Ashburn 734
Ann Arbor 637
Dearborn 532
Nyköping 518
Seattle 517
Wilmington 486
Cambridge 465
Singapore 464
Hong Kong 218
Beijing 210
Modena 190
Princeton 157
Sofia 131
Eugene 129
San Diego 126
Izmir 121
Des Moines 93
Shanghai 90
Helsinki 88
Bremen 83
Munich 63
Dublin 58
Milan 55
New York 49
London 44
Bologna 41
Fremont 37
San Mateo 37
Los Angeles 34
Dallas 33
Redwood City 33
Brussels 32
Nanjing 30
Toronto 26
Auburn Hills 25
Boardman 25
Norwalk 25
Florianópolis 23
Philadelphia 23
Hyderabad 22
Parma 22
Saint Petersburg 21
Moscow 20
Hefei 18
Verona 17
Amsterdam 15
Monmouth Junction 15
Jinan 14
Kilburn 14
Kunming 14
Bogotá 13
Chicago 13
Ottawa 13
Piacenza 13
Indiana 12
Reggio Emilia 12
Augusta 11
Fribourg 11
Guangzhou 11
Nanchang 11
Rome 11
Tokyo 11
Frankfurt am Main 10
Mumbai 10
Oxford 10
Ghent 9
Grafing 9
Göttingen 9
Kaohsiung City 9
Hounslow 8
São Paulo 8
Tarragona 8
Tulare 8
Xi'an 8
Zurich 8
Edmonton 7
Florence 7
Konstanz 7
Maringá 7
Pittsburgh 7
San Francisco 7
Zhengzhou 7
Alachua 6
Ardabil 6
Calestano 6
Dalian 6
Gent 6
Jakarta 6
Le Vaudreuil 6
Leawood 6
Makkah 6
Paris 6
Perth 6
Totale 15.581
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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 368
Acetic Anhydride/Et3N/DMAP: An Effective Acetylating System for Hemiacetals 255
Arylsulfonyl Groups: The Best Cyclization Auxiliaries for the Preparation of ATRC γ-Lactams can be Acidolytically Removed 243
Chlorination of Alkenes with Manganese Dioxide-Trimethylchlorosilane 241
N-(2-hydroxyalkyl)-2,2-dihaloamides by amino-de-alkoxylation of methyl 2,2-dihalocarboxylates 239
Axially Chiral Enamides: Substituent Effects, Rotation Barriers, and Implications for their Cyclization Reactions 237
The treatment of indoles with trimethylhalogenosilanes and sulphoxides J. Chem. Res. (S) 1989, 182 224
A simple and efficient route to chaetomellic anhydride A: A potent natural Ras farnesyl-protein transferase inhibitor 224
Easy approach to 3-benzylimino-2-pyrrolidinones from 3-chloro-4-chloromethyl-2-pyrrolidinones 221
Unusual access to 5-methoxy or 5,5-dimethoxy-4-methyl-3-pyrrolin-2-ones from chlorinated 4-methyl-pyrrolidin-2-ones 217
Zinc promoted addition of methyl 2,2-dihalocarboxylates to carbonyl compounds 214
THE REACTION OF BENZYLIC ALCOHOLS WITH CHLOROTRIMETHYLSILANE/DIMETHYL SULFOXIDE 210
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 210
Acetals by AlFe-pillared montmorillonite catalysis 204
The CuBr/Fe promoted olefin alkylation of 2-Br-2-Cl-carboxylate methyl esters 204
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 200
Facile conversion of α,β-epoxy ketones to 2-chloro-3-hydroxy ketones by trimethylchlorosilane-dimethyl sulfoxide 197
Electrochemical Approach to Copper-Catalyzed Reversed Atom Transfer Radical Cyclization 195
A new synthetic route to Tyromycin A and its analogue from renewable resources 195
ACETAL CHLORINATION WITH MNO2-TRIMETHYLCHLOROSILANE 187
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 187
A new and effective route to (+/-)-botryodiplodin and (+/-)-epi-botryodiplodin acetates using a halogen atom transfer Ueno-Stork cyclization 185
A green way to γ-lactams through a copper catalyzed ARGET-ATRC in ethanol and in the presence of ascorbic acid 185
THE REACTION OF PYRROLES WITH TRIMETHYLHALOSILANES-DIALKYL SULFOXIDES 184
'Ligand-free-like' CuCl-catalyzed atom transfer radical cyclization of N-substituted N-allyl polychloroamides to γ-lactams. 184
Apolar versus Polar Solvents: A Comparison of the Strength of Some Organic Acids againstDifferent Bases in Toluene and in Water 183
Halogen atom transfer radical cyclization of N-allyl-N-benzyl-2,2-dihaloamides to 2-pyrrolidinones, promoted by Fe-0-FeCl3 or CuCl-TMEDA 182
REACTIONS OF THE TRIMETHYLCHLOROSILANE-DIMETHYL SULPHOXIDE REAGENT WITH CARBONYL COMPOUNDS 182
The CuBr/Fe-0 promoted radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 182
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 181
Telechelic oligomers by halogen atom transfer radical addition 181
Models of rhodium complexes bound to silica: preparation, structure and interconversion of dinuclear silyloxyrhodium complexes 180
Conformationally constrained amino acids: A convenient approach to cis-2,3-methano-GABAs 178
Novel Route to Chaetomellic Acid A and Analogues: Serendipitous Discovery of a more Competent FTase Inhibitor 178
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 176
Halogen atom transfer radical addition of alpha-polychloroesters to olefins promoted by Fe-0 filings 172
SULFOXIDES FROM THIOETHERS AND MNO2-HCL 171
An efficient route to aliphatic 2,2-dichloroaldehydes via chlorination of aldehydes or alcohols with the system Cl-2/quaternary ammonium chloride 171
PROCESS FOR PREPARING GABAPENTIN 170
Ferrocene promoted addition of methyl 2,2-dichloro-carboxylates to 1-alkenes 169
A short approach to chaetomellic anhydride A from2,2-dichloropalmitic acid: elucidation of the mechanism governingthe functional rearrangement of the chlorinatedpyrrolidin-2-one intermediate 169
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. 169
THE REACTION OF STYRENES WITH CHLOROTRIMETHYLSILANE DIMETHYL-SULFOXIDE 168
The Fe-0 promoted addition of CCl4 and CCl3Br to olefins 166
Functional rearrangement of 3-Cl or 3,3-diCl-γ-lactams bearing a secondary 1-chloroalkyl substituent at C-4 166
Reductive homo-coupling of methyl 2-Br-2-Cl-carboxylates promoted by CuBr-Fe0 165
Simultaneous deprotection-oxidation of cyclic hemiacetals: A fine ending for a Ueno-Stork ATRC to dichloro-γ-lactones 161
Undecylenic acid: a valuable renewable Building Block on route to Tyromycin A derivatives 161
Amino-de-Alkoxylation of Methyl 2,2-Dihalocarboxylates 160
Atom Tranfer Radical Cyclization (ATRC) applied to a chemo-enzymatic synthesis of Quercus Lactones 160
Synthesis of the disubstituted maleic anhydride frame using a novel tandem radical-polar reaction 159
OXIDATION OF THIOETHERS BY MANGANESE(IV) OXIDE-TRIMETHYLCHLOROSILANE 159
SYNTHESIS OF 2-(1-CHLOROALKYL)-1,3-BENZODITHIOLES AND 2-ALKYLIDENE-1,3-BENZODITHIOLES 158
O-SILYLATION OF ACYLCOBALT TETRACARBONYLS - SYNTHESIS OF A NEW TYPE OF DINUCLEAR MU-2-HYDROXYCARBENE COBALT CARBONYL DERIVATIVES 158
Esterase-mediated synthesis of optically active GABA analogues containing a stereogenic all-carbon quaternary carbon atom. 158
Uncommon 1,2-Migration of a Nitro Group Within a β-Nitrostyryl Moiety: Synthetic Scope and Mechanistic Details 158
Radical initiation using borole derivatives 157
Deprotection of α -halo aldehydes dimethyl acetals with acetic anhydride-acetyl chloride-sodium acetate trihydrate 156
First Chemoenzymatic Synthesis of (1)-2-Carboxypyrrolidine-3-AceticAcid, the Nucleus of Kainoid Amino Acids 154
Synthesis of 3-Alkyl-4-(chloromethyl)-1-RSO2-1H-pyrrol-2(5H)-ones, Using a Sequential ATRC/[1,2]-Elimination, from 2,2-Dichloro-N-(2-chloroallyl)-NRSO2-amides 154
A novel short approach to (Z)-pulchellalactam through Transition-Metal-Catalized Atom-Transfer Radical Cyclization of 1-isopropylprop-2-enyl dichloroacetate 153
ARGET ATRP of styrene in EtOAc/EtOH using only Na2CO3 to promote the copper catalyst regeneration 153
An efficient procedure to alfa-hydroxyaldehyde dimethyl acetals 152
Rearrangement of N-allyl-alpha,alpha-dichloroamides, beta- or gamma-functionalized, to substituted analogues of the gamma-aminobutyric acid (GABA) 152
Base-promoted rearrangement of 2,3-epoxycyclohexanones to phenols 151
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 151
THE REACTION OF THRICHLORO AND TRIMETHYLBROMOSILANE-DIMETHYLSULFOXIDE REAGENT SYSTEM ON ALKENES 149
Silybin, a new iron-chelating agent 148
The reaction of the acetates of alpha-chloro methyl hemiacetals with nucleophiles. Synthesis of 2-hydroxy-1,4-dithianes 148
Fe-0 initiated halogen atom transfer radical addition of methyl 2-Br-2-Cl-carboxylates to olefins 146
Stereoselective Dehydrobromination of alkyl alpha-Br-alpha-Cl-carboxylates 146
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 145
Functional rearrangement of polychlorinated pyrrolidin-2-onesto 5-imino-lactams promoted by n-propylamine 144
Copper-catalyzed ARGET ATRP of styrene from ethyl α-haloisobutyrate in EtOAc/EtOH, using ascorbic acid/Na2CO3 as reducing system 144
REDUCTIVE COUPLING OF METHYL ALPHA-BROMO-ALPHA-CHLOROCARBOXYLATES 143
CuCl catalyzed radical cyclisation of N-alpha-perchloroacyl-ketene-N,S-acetals: a new way to prepare disubstituted maleic anhydrides 143
BETA-CHLOROALKYL SULFIDES FROM ME2S/SO2CL2/ME2SO AND ALKENES 142
Expedient Synthesis, on Large Scale, of Aliphatic Chaetomellic Anhydrides from N-Allyl-2,2-dichlorocarboxyamides 142
DIMETHYLACETALS BROMINATION BY Br2-TRIMETHYLCHLOROSILANE-NaBr 141
PREPARATION OF 2,2-DIHALOCARBOXYLIC ACID METHYL-ESTERS BY OXIDATION CHLORINATION OF 2-(1-HALOALKYL)-4-METHYL-1,3-DIOXOLANES WITH TRICHLOROISOCYANURIC ACID 140
Lipase-catalysed deacetylation of botryodiplodin acetate 140
gamma-Alkylketene dithioacetals from 2,3-dichloroaldehyde dithioacetals 139
Copper mediated cyclization of 1-substituted enamides, dienamides and trienamides: regiochemistry, indigoid formation and methyl migration-aromatization 139
Breakthrough in the alpha-perchlorination of acyl chlorides 139
Oxidation of aliphatic 2,2-dichloroalkanals by HNO3 in CH2Cl2: An easy and eco-friendly route to the corresponding 2,2-dichloroalkanoic acids 139
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%) 138
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 137
TRICHLOROISOCYANURIC ACID OXIDATION OF 2-CHLORO ALDEHYDE ACETALS TO 2-CHLORO ACID-ESTERS 137
TRIMETHYLCHLOROSILANE-MEDIATED FORMATION OF 2-CHLOROCYCLOHEXYL SULPHIDES BY SULPHOXIDES 135
THE REACTION OF ALKYL PHENYL SULFIDES WITH MANGANESE-DIOXIDE AND ACETYL-CHLORIDE 133
Atom transfer radical cyclization of O-allyl-2,2-dichlorohemiacetal acetates: an expedient method to dichloro-gamma-lactones. 131
Regioselective alfa-Bromination of Carbonyl Compounds with Trimethylbromosilane-Dimethyl Sulphoxide 131
ON THE INTERMEDIATES OF THE REACTION OF KETONES WITH MNO2-CHLOROTRIMETHYLSILANE 130
ALPHA-CHLOROMERCAPTALS FROM ALPHA-CHLOROACETALS AND THIOLS 130
Synthesis of 5-methoxylated 3-pyrrolin-2-one via the rearrangement of chlorinated pyrrolidin-2-ones 130
CARBONYL REGENERATION FROM OXIMES AND SEMICARBAZONES BY TRIMETHYLCHLOROSILANE-DIMETHYLSULFOXIDE 129
REGIOSPECIFIC HYDROGEN-CHLORIDE ELIMINATION FROM ALPHA,BETA-DICHLOROALKYL PHENYL SULFIDES 126
Hydro-de-halogenation and consecutive deprotection of chlorinated N-amido-pyrrolidin-2-ones with Raney-Ni: an effective approach to gabapentin 126
OXIDATION OF ALPHA-ACETOXY ACETALS WITH TRICHLOROISOCYANURIC ACID 123
Sintesi dell’acido chetomellico A, un antitumorale naturale inibitore della RAS farnesil-protein transferasi (FPTasi) 123
Totale 16.870
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Categoria #
all - tutte 74.534
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 74.534
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/20202.600 0 0 0 0 0 545 720 421 364 118 218 214
2020/20212.703 207 123 226 252 298 190 202 312 140 320 287 146
2021/20222.323 67 309 251 212 59 123 126 116 268 153 375 264
2022/20232.804 351 335 171 246 355 435 94 214 350 28 99 126
2023/20241.388 71 79 68 153 258 104 188 168 37 57 74 131
2024/20252.410 254 76 123 353 1.005 599 0 0 0 0 0 0
Totale 19.968