SFERA Archivio dei prodotti della Ricerca dell'Università di Ferrara

POLLINI, Gian Piero
 Distribuzione geografica
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Continente #
NA - Nord America 11.603
AS - Asia 5.543
EU - Europa 4.991
SA - Sud America 744
AF - Africa 161
OC - Oceania 24
Continente sconosciuto - Info sul continente non disponibili 7
Totale 23.073
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Nazione #
US - Stati Uniti d'America 11.347
FI - Finlandia 2.050
SG - Singapore 1.909
CN - Cina 1.479
DE - Germania 617
BR - Brasile 580
VN - Vietnam 574
UA - Ucraina 553
HK - Hong Kong 498
IT - Italia 447
GB - Regno Unito 399
TR - Turchia 391
SE - Svezia 254
FR - Francia 193
JP - Giappone 148
IN - India 139
RU - Federazione Russa 133
CA - Canada 129
MX - Messico 105
ZA - Sudafrica 85
NL - Olanda 75
PL - Polonia 68
TW - Taiwan 65
BD - Bangladesh 52
AR - Argentina 43
CZ - Repubblica Ceca 39
ES - Italia 37
PK - Pakistan 35
BE - Belgio 34
IQ - Iraq 31
CL - Cile 25
CO - Colombia 23
SA - Arabia Saudita 23
EC - Ecuador 22
ID - Indonesia 22
LT - Lituania 22
MA - Marocco 22
PH - Filippine 22
IL - Israele 21
KR - Corea 20
MY - Malesia 19
VE - Venezuela 18
AU - Australia 16
UZ - Uzbekistan 13
JO - Giordania 11
PY - Paraguay 11
IE - Irlanda 10
AE - Emirati Arabi Uniti 8
CH - Svizzera 8
EG - Egitto 8
GR - Grecia 8
IR - Iran 8
PE - Perù 8
RS - Serbia 8
TN - Tunisia 8
EU - Europa 7
NZ - Nuova Zelanda 7
AZ - Azerbaigian 6
BO - Bolivia 6
ET - Etiopia 6
KE - Kenya 6
PS - Palestinian Territory 6
RO - Romania 6
AT - Austria 5
KZ - Kazakistan 5
LB - Libano 5
NP - Nepal 5
OM - Oman 5
TH - Thailandia 5
BH - Bahrain 4
GY - Guiana 4
KG - Kirghizistan 4
BB - Barbados 3
BG - Bulgaria 3
CI - Costa d'Avorio 3
CR - Costa Rica 3
DK - Danimarca 3
DZ - Algeria 3
HN - Honduras 3
JM - Giamaica 3
PT - Portogallo 3
SI - Slovenia 3
SY - Repubblica araba siriana 3
UY - Uruguay 3
AO - Angola 2
BA - Bosnia-Erzegovina 2
CY - Cipro 2
DM - Dominica 2
GH - Ghana 2
HU - Ungheria 2
LU - Lussemburgo 2
MU - Mauritius 2
NG - Nigeria 2
NI - Nicaragua 2
SN - Senegal 2
SV - El Salvador 2
AL - Albania 1
BF - Burkina Faso 1
BN - Brunei Darussalam 1
BW - Botswana 1
Totale 23.049
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Città #
Helsinki 1.890
Singapore 1.291
Ashburn 1.090
Fairfield 1.002
Dallas 870
Woodbridge 864
Houston 703
San Jose 588
Jacksonville 566
Chandler 557
Ann Arbor 494
Beijing 459
Seattle 450
Santa Clara 418
Hong Kong 414
Wilmington 348
Cambridge 341
New York 225
Nanjing 204
Ho Chi Minh City 172
Izmir 172
Los Angeles 165
Munich 145
Hanoi 120
Tokyo 119
Princeton 108
San Diego 107
Lauterbourg 93
London 76
Addison 73
Boardman 73
Shanghai 69
São Paulo 69
Hefei 60
Mexico City 60
Milan 59
Turku 56
Nanchang 53
Dong Ket 52
Orem 52
Chicago 47
San Mateo 47
Shenyang 47
Brooklyn 46
Taipei 45
Amsterdam 41
Chennai 41
Hebei 40
Warsaw 40
Changsha 36
Johannesburg 35
Montreal 35
Brussels 33
Tianjin 33
Redwood City 31
Jiaxing 30
The Dalles 30
Falkenstein 29
Ferrara 28
Frankfurt am Main 28
San Francisco 28
Bremen 26
Buffalo 26
Denver 26
Atlanta 25
Jinan 25
Mumbai 25
Olomouc 25
Falls Church 24
Stockholm 24
Philadelphia 22
Zhengzhou 22
Dearborn 21
Haiphong 21
Ottawa 21
Phoenix 21
Des Moines 20
Toronto 20
Boston 19
Da Nang 19
Hải Dương 19
Moscow 19
Norwalk 19
Rome 19
Verona 19
Guangzhou 17
Hangzhou 16
Kunming 16
Manchester 16
Mcallen 16
Poplar 16
Rio de Janeiro 16
Brasília 15
Ha Kwai Chung 15
Montréal 15
Salt Lake City 15
Castel San Pietro Terme 14
Baghdad 13
Belo Horizonte 12
Council Bluffs 12
Totale 16.248
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Nome #
1,4-Diketones via Isoxazole Intermediates 3.065
The use of phase-transfer catalysis for the N-alkylation of indole. 513
1,4-Dithiane-2,5-diol as an efficient synthon for a straightforward synthesis of functionalized tetrahydrothiophenes via sulfa-Michael/aldol-type reactions with electrophilic alkenes 487
4-Isopropyl-2-oxazolin-5-one anion as a new convenient formyl anion equivalent for conjugate addition and aldol reactions 322
A chemoenzymatic approach to chiral phenylisoserinates using 4-isopropyl-2-oxazolin-5-one as masked umpoled synthon for hydroxycarbonyl anion 300
3,4-Bismethylenecyclopentanone ethylene ketal: A useful diene for[6.5]ring systems: Application to a formal synthesis of gibberellic acid 299
A new, efficient synthesis of muscimol (5-ammoniomethylisoxazol-3-olate). 290
A facile, efficient synthesis of 2-substituted-4-hydroxy-2-cyclopenten-1-ones 288
A [3+2] nitrile oxide intermolecular cycloaddition approach to 4,5-dihydro-3(2H)-furanone and 3(2H)-furanone ring systems: application to the formal synthesis of (±)-ascofuranone and geiparvarin. 277
A formal total synthesis (±)-forskolin through [3+2] nitrile oxide cycloaddition chemistry 269
3,5-Disubstituted isoxazoles as a latent aldol moiety: Application to the synthesis of (±)-[6]-gingerol 266
Azaprostaglandin Analogues. Synthesis and Biological Properties of 11-Azaprostaglandin Derivatives 265
A one-pot synthesis of nitrohydroxylated pyrrolidine and piperidine ring systems by tandem Michael-Henry reaction 258
4-Isopropyl-2-oxazolin-5-one anion as masked umpoled synthon for both formyl and hydroxycarbonyl anions: generation, reactivity and synthetic applications 254
2,3a,5,6,7,7a-Hexahydro-3H,4H-benzothiophene-3,4-dione and cyclopenta[b]tetrahydrothiophene-3,4-dione enolate anions as synthetic equivalents to cyclohex-2-enone and cyclopent-2-enone C-2-carbanions. 252
A [3 + 2] nitrile oxide cycloaddition approach to retinoids 251
4-[(4-Methylphenyl)sulfonyl]-1-(triphenylphosphoranylidene)-2-butanone as a convenient precursor for a new formal synthesis of KDO 247
Arecoline tripeptide inhibitors of proteasome 246
A new nitrile oxide based synthesis of the antitumor agent geiparvarin 242
3,5-Disubstituted Isoxazoles as Synthons for (±)-Pyrenophorin and (±)-Vermiculine Synthesis 238
Enantioselective synthesis of (-)-meroquinene through tandem Michael reaction methodology 235
A convenient preparation of 3-isopropyl-1-methylcyclopentylmethanol and 1-isopropyl-3-methylcyclopentylmethanol via Favorskii rearrangement 235
Hagemann's ester: a timeless building block for natural product synthesis 230
A Diphenylprolinol TMS Ether/Bile Acid Organocatalytic System for the Asymmetric Domino Sulfa-Michael/Aldol Condensation Reactions of 1,4-Dithiane-2,5-diol and Cinnamaldehydes 227
A new enantiodivergent synthesis of the Geissman-Waiss lactone 227
Active γ-manganese dioxide promoted conversion of 4,5-dihydro-1,2-oxazoles to 1,2-oxazoles. 225
4-[(4 '-methylphenyl)sulfonyl]-1-(triphenylphosphoranylidene)-2-butanone as a new four-carbon synthon for substituted divinyl ketones 224
A new synthetic approach to 1-[(3R,4R)-1-cyclooctylmethyl-3-hydroxymethyl-4-piperidyl]-3-ethyl-1,3-dihydro-benzimidazol-2-one (J-113397), the first non-peptide ORL-1 receptor antagonist 224
An efficient approach to chiral nonracemic trans- and cis-decalin scaffolds for drimane and labdane synthesis 223
A new "one-pot" synthesis of 2-substituted 3-nitropyrrolidines through a multicomponent domino reaction 222
D-(-)-Quinic acid: a chiron store for natural product synthesis 222
Efficient synthesis and biological evaluation of two modafinil analogues 221
Ethyl 5-[(4-Methylphenyl)sulfonyl]-3-Oxopentanoate: A Bench-Stable Synthon for Ethyl 3-Oxopent-4-enoate (Nazarov’s Reagent) 221
A [3+2]nitrile oxide cycloaddition approach to (-)-pyrenophorin, and rosefuran 217
4-[(4-Methylphenyl)sulfonyl]-1-(triphenylphosphoranylidene)-2-butanone and its dianion as versatile tools in organic synthesis 215
Ethyl 2,4-dioxoalkanoates as starting materials for a convenient route to 3(2H)-furanones and 3(2H)-furanimines 212
A new simple synthesis of a-substituted acrylonitriles 212
Methyl 4-oxothiolane-3-carboxylate and methyl 2-methyl-4-oxothiolane-3- carboxylate anions as synthetic equivalents of α-acrylate and α-crotonate anions. Formal synthesis of integerrinecic acid 211
Diastereoselective synthesis of beta-amino-alpha-hydroxy phosphonates via oxazaborolidine catalyzed reduction of beta-phthalimido-alpha-keto phosphonates 205
A new and expedient diastereoselective synthesis of alpha-(hydroxyamino)phosphonates and alpha-aminophosphonates by silyl triflate promoted diethyl phosphite addition to chiral N-benzyl nitrones 204
Mastering chiral substituted 2-oxopiperazines 204
Sintesi di (±)-2-azetidinoni da beta-enamminochetoesteri 202
Synthesis of 2,5-disubstituted pyrroles and pyrrolidines by intramolecular cyclization of 6-amino-3-keto sulfones 199
Synthesis of syn- and anti-tricyclo [4.1.0.02,4] heptan-5-ones and related compounds 196
Recent Developments in General Methodologies for the Synthesis of α‑Ketoamides 195
An efficient preparation of 2-methyl-1-cyclopentene-1-carboxylic acid, a versatile synthetic building block 192
Etil 3-Oxo-5-[(4-Metilfenil)Solfonil]-Pentanoato: un Conveniente Equivalente Sintetico del “Reagente di Nazarov” 186
Enantioselective approach to 7-azabicyclo[2.2.1]heptane ring systems using D-(-)-quinic acid as the chiral educt: application to the formal synthesis of (+)-epibatidine 185
Diastereoselective synthesis of 2-substituted-piperidin-4-ones as convenient precursors for an asymmetric approach to carbacephams 185
A new simple route for the synthesis of (+/-)-2-azetidinones starting from beta-enamino ketoesters 184
A simple entry to chiral non-racemic 2-piperazinone derivatives 184
A New Approach to Kainoids through Tandem Michael Reaction Methodology: Application to the Enantioselective Synthesis of (+)- and (−)-α-Allokainic Acid and to the Formal Synthesis of (−)-α-Kainic Acid 183
Total synthesis of (+/-)-epibatidine 180
A facile alkylation of ethyl 2-oxocyclopentanecarboxylate 177
Convenient "one-pot" synthesis of 3,4-substituted tetrahydrothiophenes through tandem Michael-Henry and Michael-Michael reactions 176
Total Synthesis of (±) isoclovene 175
A new simple route for the synthesis of (+/-)-2-azetidinones starting from beta-enaminoketoesters 175
Generation and cycloaddition reactions of substituted 2-nitro-1,3-dienes 175
Generation and cycloaddition reactions of 3-substituted-2-nitro-1,3- dienes 173
Synthesis and reactivity of a stable precursor of 2-cyano-1,3-butadiene 172
Synthetic Routes to Chiral Nonracemic and Racemic Dihydro- And Tetrahydrothiophenes 171
A novel α-acrylate anion equivalent: A useful synthon for α-substituted acrylic esters 170
Facile synthesis of 2-nitroalkanols by Tetramethylguanidine (TMG)-catalyzed addition of primary nitroalkanes to aldehydes and alicyclic ketones 170
Synthetic studies towards Forskolin 170
Synthesis of natural products via isoxazoles 169
Enantiodivergent synthesis of 2-hydroxymethyl-3-hydroxy-4-nitro-pyrrolidines through tandem Michael-Henry reaction using L-serine as the chiral educt 167
A unified asymmetric approach to substituted hexahydroazepine and 7-azabicyclo[2.2.1]heptane ring systems from D(-)-quinic acid: Application to the formal syntheses of (-)-balanol and (-)-epibatidine 167
Synthesis of bio-mimetic light-driven molecular switches via a cyclopropyl ring-opening/nitrilium ion ring-closing tandem reaction 166
Enantioselective approach to tropane skeleton: Synthesis of (1S,5S,6R)-6-Hydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-one 166
Synthesis of melodienone and 7-hydroxy-6-hydromelodienone, two heptenes from Melodorum Fruticosum 166
Isoxazole-mediated synthesis of geiparvarin and dihydrogeiparvarin 164
Sintesi diastereoselettiva di N-idrossi-alfa-ammino fosfonati e di alfa-ammino fosfonati 164
Solid-phase synthesis of indolizidine and quinolizidine derivatives 163
Synthesis and Prostaglandin-like Activity of 2-(trans-3-Hydroxy-1-octenyl)-3-indolheptanoic Acid 163
Stereoselective synthesis of 8-aza-9,11-ethenoprostaglandin H1 163
Polymer-bound 4-benzylsulfonyl-1-triphenylphosphoranylidene-2-butanone as a tool for the solid-phase synthesis of substituted piperidin-4-one derivatives 160
Ethyl 5-substituted-3-isoxazole carboxvyates as starting materials for a convenient route to 3(2H )-furanones and 3(2H )-iminofuranes 157
Synthesis of an 11-Deoxy-8-azaprostaglandin E1 Intermediate 154
Formal Synthesis of (±)-Ambrox® 152
Synthesis of 5-Hydroxy-2-oxotetrahydropyrroles 152
Un nuovo sintone a quattro atomi di carbonio come equivalente sintetico di divinil chetoni sostituiti 150
Synthetic Approaches to Enantiomerically Pure 8-Azabicyclo[3.2.1]octane Derivatives 150
Enantioselective formal synthesis of (-)-ovalicin using quinic acid as a chiral template 149
Synthesis of 14-hydroxy-8-azaprostanoic acids methyl ester 149
Asymmetric synthesis of a β-ketol moiety via 3,5-disubstituted isoxazoles: Application to (+)-(S)-[6]-gingerol 149
Elaboration of the ωChain of 11 -Deoxyprostanoid Derivatives through Isoxazole Intermediates 146
Unusual Ring-Opening Reaction of 6,7-Dihydrothieno[3,2-d]pyrimidine- 2,4-dione Derivatives Leading to 5-(Alkylthio)-6-vinyluracils 146
Tert-butil (R)-3-idrossi-4-pentenoato, un conveniente ¿building block¿ chirale per la sintesi di sostanze naturali 142
Synthesis of 1-phathalimidoalkane phosphonate 142
O-Silyl triflate-promoted addition of diethyl phosphite to chiral aldonitrones. A rapid access to complex alpha-amino phosphonates and their N-hydroxy derivatives 135
Protection by pyroglutamic acid and some of its newly synthesized derivatives against glutamate-induced seizures in mice 135
Recent developments in fragrance chemistry 134
From (-)-quinic acid to 8-azabicyclo[3.2.1]octane framework: Preparation of an enantiopure tropan-6 alpha-ol 133
Application of [3 + 2] nitrile oxide cycloaddition chemistry to the construction of retinoid skeleton and to a new formal synthesis of (±)-ascofuranone and geiparvarin 132
Total Synthesis of (±)-Isoclovene 132
Proteasome inhibitors: synthesis and activity of arecoline oxide tripeptide derivatives 128
Trapping of cyclopentadienone as a 4ϖ component in Diels-Alder reactions with ethyl acrylate: a simple synthesis of (±)-sarkomycin. 126
Use of [3 + 2] Cycloaddition in Elaboration of the ɷ Chain of Prostaglandins 125
Tetramethylguanidine (TMG)-catalyzed addition of dialkyl phosphites to alpha,beta-unsaturated carbonyl compounds, alkenenitriles, aldehydes, ketones and imines 123
Efficient synthesis of chiral N-tosyl-3,4-disubstituted hexahydroazepines from D-(-)-quinic acid 122
Totale 22.761
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Categoria #
all - tutte 84.567
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 616
Totale 85.183
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021377 0 0 0 0 0 0 0 0 0 0 232 145
2021/20221.545 64 111 128 56 157 76 56 68 63 69 196 501
2022/20231.287 128 104 31 167 192 200 46 120 147 14 97 41
2023/2024662 63 70 59 25 28 133 27 26 12 47 17 155
2024/20252.457 81 63 202 94 300 183 86 115 302 274 458 299
2025/20269.628 872 423 1.101 974 1.045 595 996 376 2.428 784 34 0
Totale 23.174