SFERA Archivio dei prodotti della Ricerca dell'Università di Ferrara

POLLINI, Gian Piero
 Distribuzione geografica
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Continente #
NA - Nord America 11.831
AS - Asia 5.569
EU - Europa 5.008
SA - Sud America 744
AF - Africa 162
OC - Oceania 24
Continente sconosciuto - Info sul continente non disponibili 7
Totale 23.345
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Nazione #
US - Stati Uniti d'America 11.563
FI - Finlandia 2.050
SG - Singapore 1.920
CN - Cina 1.482
DE - Germania 617
BR - Brasile 580
VN - Vietnam 574
UA - Ucraina 553
HK - Hong Kong 504
IT - Italia 461
GB - Regno Unito 399
TR - Turchia 391
SE - Svezia 254
FR - Francia 193
JP - Giappone 148
IN - India 139
CA - Canada 137
RU - Federazione Russa 133
MX - Messico 105
ZA - Sudafrica 85
NL - Olanda 76
PL - Polonia 68
TW - Taiwan 65
BD - Bangladesh 58
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
EG - Egitto 9
AE - Emirati Arabi Uniti 8
CH - Svizzera 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
CR - Costa Rica 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
BY - Bielorussia 3
CI - Costa d'Avorio 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
GT - Guatemala 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
Totale 23.321
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Città #
Helsinki 1.890
Singapore 1.298
Ashburn 1.104
Fairfield 1.002
Dallas 874
Woodbridge 864
Houston 706
San Jose 667
Jacksonville 566
Chandler 557
Ann Arbor 494
Beijing 461
Seattle 450
Santa Clara 427
Hong Kong 420
Wilmington 348
Cambridge 341
New York 231
Nanjing 204
Ho Chi Minh City 172
Izmir 172
Los Angeles 171
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
Brooklyn 48
Chicago 48
San Mateo 47
Shenyang 47
Taipei 45
Amsterdam 41
Chennai 41
Hebei 40
Warsaw 40
Montreal 37
Changsha 36
Johannesburg 35
The Dalles 34
Brussels 33
Tianjin 33
Redwood City 31
Jiaxing 30
Falkenstein 29
Ferrara 28
Frankfurt am Main 28
San Francisco 28
Atlanta 27
Buffalo 27
Denver 27
Bremen 26
Jinan 25
Mumbai 25
Olomouc 25
Falls Church 24
Stockholm 24
Philadelphia 23
Phoenix 22
Zhengzhou 22
Dearborn 21
Haiphong 21
Ottawa 21
Rome 21
Boston 20
Des Moines 20
Toronto 20
Da Nang 19
Hải Dương 19
Moscow 19
Norwalk 19
Verona 19
Council Bluffs 18
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
Totale 16.408
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Nome #
1,4-Diketones via Isoxazole Intermediates 3.074
The use of phase-transfer catalysis for the N-alkylation of indole. 514
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 495
4-Isopropyl-2-oxazolin-5-one anion as a new convenient formyl anion equivalent for conjugate addition and aldol reactions 326
A chemoenzymatic approach to chiral phenylisoserinates using 4-isopropyl-2-oxazolin-5-one as masked umpoled synthon for hydroxycarbonyl anion 302
3,4-Bismethylenecyclopentanone ethylene ketal: A useful diene for[6.5]ring systems: Application to a formal synthesis of gibberellic acid 300
A new, efficient synthesis of muscimol (5-ammoniomethylisoxazol-3-olate). 300
A facile, efficient synthesis of 2-substituted-4-hydroxy-2-cyclopenten-1-ones 290
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. 279
A formal total synthesis (±)-forskolin through [3+2] nitrile oxide cycloaddition chemistry 270
3,5-Disubstituted isoxazoles as a latent aldol moiety: Application to the synthesis of (±)-[6]-gingerol 268
Azaprostaglandin Analogues. Synthesis and Biological Properties of 11-Azaprostaglandin Derivatives 267
A one-pot synthesis of nitrohydroxylated pyrrolidine and piperidine ring systems by tandem Michael-Henry reaction 263
4-Isopropyl-2-oxazolin-5-one anion as masked umpoled synthon for both formyl and hydroxycarbonyl anions: generation, reactivity and synthetic applications 258
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. 255
A [3 + 2] nitrile oxide cycloaddition approach to retinoids 253
4-[(4-Methylphenyl)sulfonyl]-1-(triphenylphosphoranylidene)-2-butanone as a convenient precursor for a new formal synthesis of KDO 252
Arecoline tripeptide inhibitors of proteasome 247
A new nitrile oxide based synthesis of the antitumor agent geiparvarin 244
3,5-Disubstituted Isoxazoles as Synthons for (±)-Pyrenophorin and (±)-Vermiculine Synthesis 244
A convenient preparation of 3-isopropyl-1-methylcyclopentylmethanol and 1-isopropyl-3-methylcyclopentylmethanol via Favorskii rearrangement 243
Enantioselective synthesis of (-)-meroquinene through tandem Michael reaction methodology 238
Hagemann's ester: a timeless building block for natural product synthesis 233
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 231
A new enantiodivergent synthesis of the Geissman-Waiss lactone 229
4-[(4 '-methylphenyl)sulfonyl]-1-(triphenylphosphoranylidene)-2-butanone as a new four-carbon synthon for substituted divinyl ketones 228
D-(-)-Quinic acid: a chiron store for natural product synthesis 228
Active γ-manganese dioxide promoted conversion of 4,5-dihydro-1,2-oxazoles to 1,2-oxazoles. 228
An efficient approach to chiral nonracemic trans- and cis-decalin scaffolds for drimane and labdane synthesis 227
A new "one-pot" synthesis of 2-substituted 3-nitropyrrolidines through a multicomponent domino reaction 225
Ethyl 5-[(4-Methylphenyl)sulfonyl]-3-Oxopentanoate: A Bench-Stable Synthon for Ethyl 3-Oxopent-4-enoate (Nazarov’s Reagent) 225
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
Efficient synthesis and biological evaluation of two modafinil analogues 223
A [3+2]nitrile oxide cycloaddition approach to (-)-pyrenophorin, and rosefuran 222
4-[(4-Methylphenyl)sulfonyl]-1-(triphenylphosphoranylidene)-2-butanone and its dianion as versatile tools in organic synthesis 219
Ethyl 2,4-dioxoalkanoates as starting materials for a convenient route to 3(2H)-furanones and 3(2H)-furanimines 214
A new simple synthesis of a-substituted acrylonitriles 214
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 213
Sintesi di (±)-2-azetidinoni da beta-enamminochetoesteri 207
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 207
Diastereoselective synthesis of beta-amino-alpha-hydroxy phosphonates via oxazaborolidine catalyzed reduction of beta-phthalimido-alpha-keto phosphonates 207
Mastering chiral substituted 2-oxopiperazines 206
Synthesis of 2,5-disubstituted pyrroles and pyrrolidines by intramolecular cyclization of 6-amino-3-keto sulfones 200
Synthesis of syn- and anti-tricyclo [4.1.0.02,4] heptan-5-ones and related compounds 197
Recent Developments in General Methodologies for the Synthesis of α‑Ketoamides 197
An efficient preparation of 2-methyl-1-cyclopentene-1-carboxylic acid, a versatile synthetic building block 192
Diastereoselective synthesis of 2-substituted-piperidin-4-ones as convenient precursors for an asymmetric approach to carbacephams 188
Etil 3-Oxo-5-[(4-Metilfenil)Solfonil]-Pentanoato: un Conveniente Equivalente Sintetico del “Reagente di Nazarov” 187
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 186
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 186
A new simple route for the synthesis of (+/-)-2-azetidinones starting from beta-enamino ketoesters 185
A simple entry to chiral non-racemic 2-piperazinone derivatives 185
Total synthesis of (+/-)-epibatidine 183
A facile alkylation of ethyl 2-oxocyclopentanecarboxylate 180
Generation and cycloaddition reactions of 3-substituted-2-nitro-1,3- dienes 179
Convenient "one-pot" synthesis of 3,4-substituted tetrahydrothiophenes through tandem Michael-Henry and Michael-Michael reactions 177
Generation and cycloaddition reactions of substituted 2-nitro-1,3-dienes 176
Total Synthesis of (±) isoclovene 175
A new simple route for the synthesis of (+/-)-2-azetidinones starting from beta-enaminoketoesters 175
Synthesis and reactivity of a stable precursor of 2-cyano-1,3-butadiene 174
Synthetic Routes to Chiral Nonracemic and Racemic Dihydro- And Tetrahydrothiophenes 174
A novel α-acrylate anion equivalent: A useful synthon for α-substituted acrylic esters 172
Facile synthesis of 2-nitroalkanols by Tetramethylguanidine (TMG)-catalyzed addition of primary nitroalkanes to aldehydes and alicyclic ketones 172
Isoxazole-mediated synthesis of geiparvarin and dihydrogeiparvarin 171
Synthetic studies towards Forskolin 171
Synthesis of natural products via isoxazoles 170
Enantioselective approach to tropane skeleton: Synthesis of (1S,5S,6R)-6-Hydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-one 170
Enantiodivergent synthesis of 2-hydroxymethyl-3-hydroxy-4-nitro-pyrrolidines through tandem Michael-Henry reaction using L-serine as the chiral educt 170
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 170
Synthesis and Prostaglandin-like Activity of 2-(trans-3-Hydroxy-1-octenyl)-3-indolheptanoic Acid 169
Synthesis of bio-mimetic light-driven molecular switches via a cyclopropyl ring-opening/nitrilium ion ring-closing tandem reaction 168
Synthesis of melodienone and 7-hydroxy-6-hydromelodienone, two heptenes from Melodorum Fruticosum 168
Sintesi diastereoselettiva di N-idrossi-alfa-ammino fosfonati e di alfa-ammino fosfonati 167
Stereoselective synthesis of 8-aza-9,11-ethenoprostaglandin H1 166
Solid-phase synthesis of indolizidine and quinolizidine derivatives 164
Polymer-bound 4-benzylsulfonyl-1-triphenylphosphoranylidene-2-butanone as a tool for the solid-phase synthesis of substituted piperidin-4-one derivatives 162
Ethyl 5-substituted-3-isoxazole carboxvyates as starting materials for a convenient route to 3(2H )-furanones and 3(2H )-iminofuranes 158
Formal Synthesis of (±)-Ambrox® 157
Synthesis of an 11-Deoxy-8-azaprostaglandin E1 Intermediate 156
Asymmetric synthesis of a β-ketol moiety via 3,5-disubstituted isoxazoles: Application to (+)-(S)-[6]-gingerol 153
Elaboration of the ωChain of 11 -Deoxyprostanoid Derivatives through Isoxazole Intermediates 152
Synthesis of 5-Hydroxy-2-oxotetrahydropyrroles 152
Enantioselective formal synthesis of (-)-ovalicin using quinic acid as a chiral template 151
Synthetic Approaches to Enantiomerically Pure 8-Azabicyclo[3.2.1]octane Derivatives 151
Un nuovo sintone a quattro atomi di carbonio come equivalente sintetico di divinil chetoni sostituiti 150
Synthesis of 14-hydroxy-8-azaprostanoic acids methyl ester 149
Unusual Ring-Opening Reaction of 6,7-Dihydrothieno[3,2-d]pyrimidine- 2,4-dione Derivatives Leading to 5-(Alkylthio)-6-vinyluracils 147
Tert-butil (R)-3-idrossi-4-pentenoato, un conveniente ¿building block¿ chirale per la sintesi di sostanze naturali 143
Synthesis of 1-phathalimidoalkane phosphonate 143
Protection by pyroglutamic acid and some of its newly synthesized derivatives against glutamate-induced seizures in mice 139
O-Silyl triflate-promoted addition of diethyl phosphite to chiral aldonitrones. A rapid access to complex alpha-amino phosphonates and their N-hydroxy derivatives 137
From (-)-quinic acid to 8-azabicyclo[3.2.1]octane framework: Preparation of an enantiopure tropan-6 alpha-ol 135
Recent developments in fragrance chemistry 134
Total Synthesis of (±)-Isoclovene 134
Proteasome inhibitors: synthesis and activity of arecoline oxide tripeptide derivatives 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
Trapping of cyclopentadienone as a 4ϖ component in Diels-Alder reactions with ethyl acrylate: a simple synthesis of (±)-sarkomycin. 130
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 124
Efficient synthesis of chiral N-tosyl-3,4-disubstituted hexahydroazepines from D-(-)-quinic acid 123
Totale 23.026
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Categoria #
all - tutte 88.353
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 642
Totale 88.995
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021145 0 0 0 0 0 0 0 0 0 0 0 145
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
2025/20269.900 872 423 1.101 974 1.045 595 996 376 2.428 784 255 51
Totale 23.446