ArTS Archivio della ricerca di Trieste

VALENTIN, ENNIO
 Distribuzione geografica
Salva come PNG Salva come JPEG
Continente #
NA - Nord America 9.816
EU - Europa 4.327
AS - Asia 3.960
SA - Sud America 423
AF - Africa 115
Continente sconosciuto - Info sul continente non disponibili 15
OC - Oceania 6
Totale 18.662
Salva come PNG Salva come JPEG
Nazione #
US - Stati Uniti d'America 9.692
SG - Singapore 1.319
CN - Cina 1.125
FR - Francia 776
SE - Svezia 761
UA - Ucraina 672
IT - Italia 427
BR - Brasile 334
DE - Germania 334
HK - Hong Kong 331
VN - Vietnam 320
KR - Corea 297
FI - Finlandia 248
TR - Turchia 231
GB - Regno Unito 207
RU - Federazione Russa 194
NL - Olanda 187
PL - Polonia 136
IE - Irlanda 102
BG - Bulgaria 97
IN - India 96
CA - Canada 72
JP - Giappone 45
CH - Svizzera 44
BE - Belgio 43
BD - Bangladesh 38
AR - Argentina 36
IQ - Iraq 30
MX - Messico 28
ES - Italia 25
MA - Marocco 21
ZA - Sudafrica 20
CI - Costa d'Avorio 19
CZ - Repubblica Ceca 15
EC - Ecuador 15
SN - Senegal 15
IL - Israele 14
EU - Europa 13
UZ - Uzbekistan 13
PK - Pakistan 12
AT - Austria 10
HU - Ungheria 10
ID - Indonesia 10
VE - Venezuela 10
SA - Arabia Saudita 9
AE - Emirati Arabi Uniti 8
TH - Thailandia 8
CL - Cile 7
DZ - Algeria 7
IR - Iran 7
MY - Malesia 7
TT - Trinidad e Tobago 7
CO - Colombia 6
EG - Egitto 6
JO - Giordania 6
LT - Lituania 6
PY - Paraguay 6
AU - Australia 5
KZ - Kazakistan 5
NP - Nepal 5
AM - Armenia 4
ET - Etiopia 4
GR - Grecia 4
KE - Kenya 4
PA - Panama 4
PE - Perù 4
PH - Filippine 4
TN - Tunisia 4
AO - Angola 3
AZ - Azerbaigian 3
CG - Congo 3
CR - Costa Rica 3
DK - Danimarca 3
EE - Estonia 3
HN - Honduras 3
HR - Croazia 3
MD - Moldavia 3
MM - Myanmar 3
NI - Nicaragua 3
PT - Portogallo 3
RO - Romania 3
RS - Serbia 3
TG - Togo 3
TW - Taiwan 3
UY - Uruguay 3
AL - Albania 2
BY - Bielorussia 2
JM - Giamaica 2
KW - Kuwait 2
LB - Libano 2
NG - Nigeria 2
OM - Oman 2
SI - Slovenia 2
A2 - ???statistics.table.value.countryCode.A2??? 1
BB - Barbados 1
BJ - Benin 1
BO - Bolivia 1
GY - Guiana 1
KH - Cambogia 1
LY - Libia 1
Totale 18.655
Salva come PNG Salva come JPEG
Città #
Ann Arbor 1.244
Woodbridge 1.082
Dallas 995
Singapore 714
Houston 664
Fairfield 616
Ashburn 579
Jacksonville 568
Chandler 510
Hefei 373
San Jose 340
Hong Kong 323
Wilmington 322
Beijing 296
Seoul 292
Seattle 270
Cambridge 196
Princeton 191
Izmir 180
Boardman 161
Santa Clara 136
Dearborn 130
Chicago 127
Los Angeles 121
Columbus 116
Buffalo 103
Ho Chi Minh City 101
Dublin 100
Sofia 97
Zgierz 93
The Dalles 91
Lauterbourg 88
Hanoi 84
Milan 77
Moscow 72
Munich 71
Amsterdam 68
Trieste 53
London 51
São Paulo 44
Helsinki 42
Mestre 42
New York 39
Brussels 38
Grafing 38
Verona 37
Warsaw 37
Düsseldorf 36
San Diego 36
Frankfurt am Main 34
Tokyo 32
Kocaeli 28
Nanjing 26
Shanghai 25
Bern 23
North Bergen 23
Bremen 22
Guangzhou 22
Paris 22
Orem 20
Phoenix 20
Abidjan 19
Montreal 19
Toronto 19
Des Moines 18
Da Nang 17
Ottawa 17
Sacile 16
Turku 16
Chennai 15
Dakar 14
Haiphong 14
Nanchang 14
Redwood City 14
Casablanca 13
Norwalk 13
San Francisco 13
Stockholm 13
Tashkent 13
Baghdad 12
Bonn 12
Hangzhou 12
Jinan 12
West Jordan 12
Atlanta 11
Kunming 11
Redondo Beach 11
Brooklyn 10
Falls Church 10
Johannesburg 10
Vienna 10
Zurich 10
Brno 9
Mumbai 9
Regensburg 9
Rio de Janeiro 9
Tianjin 9
Washington 9
Auburn Hills 8
Changsha 8
Totale 12.871
Salva come PNG Salva come JPEG
Nome #
1,2-Cycloaddition of a α,β-unsaturated esters to a biased enamine. Crystal and molecu1ar structure of a cis-bicyclo[4.2.0]octane derivative 819
1,3,4-Oxadiazine derivatives versus open-chain isomers from reactions of 2-amino-cyc1o-2-hexen-1-ones with aryl acyldiimides 811
1-Arylsulfonylamino-1,2,3-triazole derivatives from functionalized 1,2-cyclohexandiones 393
A combined experimental and computational strategy in the assignment of absolute configurations of 4-methyl-5-oxo-tetrahydrofuran-3-carboxylic acids and their esters 370
7-oxo-4,5,6,7-tetrahydroindole Derivatives from Nitro-olefins and Secondary a-keto enamines. 314
1-Substituted morpholino ethenes—III. Carbocyclic and Aliphatic Heterocyclic Compounds from 5-Membered Ring Derivatives 302
A study of the enantiopreference of Lipase PS (Pseudomonas cepacia) towards diastereomeric dihydro-5-alkyl-4-hydroxymethyl-2(3H)-furanones 294
A short and convenient chemoenzymatic synthesis of both enantiomers of 3-phenylGABA and 3-(4-chlorophenyl)GABA (Baclofen) 286
A Chemoenzymatic Synthesis of Optically Active Aza Analogues of Quercus Lactones 284
Octaline and decalone derivatives from a new annulation reaction in enamine field 270
Chemoenzymatic synthesis of optically active 4-methyl-tetrahydro-5-oxo-Furancarboxylic acids and esters 266
Baker's Yeast reduction of 4-hetero-2-(2-nitroethyl)cyclohexanones 262
BAKER'S YEAST REDUCTION OF CYCLIC DELTA-KETOESTERS.SYNTHESIS AND CHIROPTICAL PROPERTIES OF CONDENSED DELTA-LACTONES 255
A Facile Route To Polysubstituted 2-Hydroxy-3-nitrocyclopentanones via a Linear alpha-Ketoenamine 253
Vinylamines XIV. Nitroalkylation of enamine equilibrium mixtures 253
Baker's Yeast Reduction of 2-(2-Nitroethyl)-1-cycloalkanones 250
α-Nitrostyrene. First reactions with enamines 249
Vinylamines XV. Unusual stereochemical course in nitroalkylation of biased enaminic systems 247
A chemoenzymatic approach to the synthesis of enantiomerically pure aza analogues of paraconic acid methyl ester and both enantiomers of methyl β-proline 247
Application of 1,3-azomethine ylides derived from alfa-dicarbonyl compounds and L-proline to the synthesis of pyrrolizidines 243
A convenient chemoenzymatic synthesis of (R)-(-) and (S)-(+)-homo-beta-proline 241
[3 + 2] Carbocyclization Reactions of Linear -Ketoenamines with Conjugated Nitroolefins 235
Synthesis of (+)- and (–)-Phaseolinic Acid by Combination of Enzymatic Hydrolysis and Chemical Transformations with Revision of the Absolute Configuration of the Natural Product 231
ENANTIOMERICALLY PURE TETRAHYDRO-5-OXO-2-FURANCARBOXYLIC ESTERS FROM DIALKYL 2-OXOGLUTARATES 228
A facile chemoenzymatic approach to chiral non-racemic beta-alkyl-gamma-amino acids and 2-alkylsuccinic acids.A concise synthesis of (S)-(+)-Pregabalin 224
Cyclopentaannulation Reactions between Nitrocycloalkenes and Diacetyl Morpholino Enamine 219
Asymmetric Resolution of Diasteroisomeric 4-Ethoxycarbonyl-5-pentyl-gamma-butyrolactones by Crude PLE-mediated Hydrolysis 216
A Novel Short Approach to (Z)-Pulchellalactam Through TMC-ATRC of 1-Isopropyl-2-propenyl Dichloroacetate 216
Reactions of Fischer's base with cyclic and acyclic conjugated nitroolefins and nitrovinylethers 211
Microbial bioreductions of g- and d-ketoacids and their esters 209
3-Amino-5.6-dihydro-4H-thiopyran l.l-dioxides. Reactivity with diethyl azodicarboxylate and some α,β-unsaturated ketones 208
Chemoenzymatic synthesis of diastereomeric ethyl g-benzyl paraconates and determination of the absolute configurations of their acids 207
Condensed 2-pyrrolidinone-1,2-oxazines from lithium enolate of 1-benzyl-5-oxo-3-pyrrolidinecarboxylic acid and beta-aryl,beta-nitroenamines 205
The first kinetic enzymatic resolution of methyl ester of C75 200
Synthesis of all stereoisomers of cognac lactones via microbial reduction and enzymatic resolution strategies 199
Synthesis of Polysubstituted Pyrrolizidines from Proline Derivatives and Conjugated Nitroolefins 198
SYNTHESIS AND BIOLOGICAL RESOLUTION OF CONDENSED BICYCLIC ISOPARACONIC ACID DERIVATIVES 197
Carbo- and Heterocyclization Reactions of 2-(4-Morpholinyl)-1-phenylpropene and Nitroolefins 195
Bicyclic 1,2-Oxazine-N-oxides. Different behaviour in ring fission between systems derived from 5- and 6-membered ring cyclic enamines 195
Unusual ring-chain tautomerism in some cyclic nitronic esters 192
Cyclic nitronic esters from highly diastereoselective cycloaddition of 2-(4-morpholinyl)norbornene to conjugated nitroolefins. 190
Electrophilic attack on biased isomeric nitroalkylated enamines. Stereospecific hydrolyses of the resulting adducts 186
Reactivity of Conjugated Azoalkenes towards alpha-Amino Acid Ethyl Esters 182
Chemoenzymatic synthesis of enantioenriched 5-oxo-tetrahydro-3-furancarboxylic acid derivatives 180
On the reactivity of some 2-methyleneindolines with b-nitroenamines, a-nitroalkenes and 1,2-diaza-1,3-butadienes 178
Synthesis of optically active 1,2,3-substituted 4,5,6,7-tetrahydro-7H-indolones 178
Synthesis of optically active a-benzyl paraconic acids and their esters and assignment of their absolute configuration 175
Synthesis of optically active condensed gamma-lactones from 2-(2-nitroethyl)cyclohexanols. Part II 174
Synthesis and CD study of optically active bicyclic gamma-lactones belonging to the m-menthane series 172
Organocatalyzed synthesis of chiral non-racemic 1,4-dihydropyridazines 172
Biotransformations in the synthesis of 2-pyrrolidinones and 2-pyrrolinones 169
Esterase-mediated synthesis of optically active GABA analogues containing a stereogenic all-carbon quaternary carbon atom 167
SYNTHESIS OF ENANTIOMERICALLY PURE BICYCLIC CONDENSED DELTA-LACTONES VIA MICROBIAL REDUCTION AND ENZYMIC RESOLUTION STRATEGIES 166
Vinylamines X. Selectivity and stereochemistry of the reactions of 2-methylcyclohexanone enamines with ethylazodicarboxylate and phenylisocyanate 163
Kinetic Enzymatic Resolution of Alkyl tetrahydro-4-methylene-2-alkyl-5-oxo-3-furancarboxylates 163
Chemo-Enzymatic Synthesis and Determination of the Absolute Configuration of Both Enantiomers of Methyl trans-5-Oxo-2-pentylpyrrolidine-3-carboxylate Precursors of the Aza Analogues of (+)- and (−)-Methylenolactocin 160
Chemoenzymatic and yeast-catalysed synthesis of diastereomeric ethyl gamma-phenyl and gamma-(n-pyridyl)paraconates 158
Highly Diastereoselective Synthesis of Cyclic Nitronic Esters from 1-(4-Morpholinyl)-1-phenylpropene with Nitroolefins 158
Mechanism and stereochemistry of kinetically controlled reactions of 2-substituted-cyclohexanone enamines with diethylazodicarboxylate 158
Studying enzyme enantioselectivity using combined ab initio and free energy calculations: alfa-chymotrypsin and methyl cis- and trans-5-oxo-2-pentylpirrolidine-3-carboxylates 157
Stereochemical aspects of a substituted bicyclo[4.2.0]octane 156
Structure and Nucleophilic Behaviour of Secondary and Tertiary Enaminosulfones 155
Structure and•reactivity of enamines derived from 5,6-dihydro-2H-thiopyran-3(4H)-one 1,1-dioxide 154
Computational studies on the enantioselectivity of alpha-chymotrypsin towards beta-carbomethoxy-gamma-lactams. 153
Rapid efficient route to 3-hydroxy-o-phenylenediamine derivatives and derived benzoxazolines 153
Mononitroalkylations of Butane-2,3-dione 152
Benzoxazol-2(3H)-one and 1,3,4-oxadiazol-2(3H)-one derivatives from substituted enaminones and ketoenamines 151
Oxidation and Reduction of Enamines 151
Cycloaddition vs. conjugative Michael-type addition of 2-ethoxy-3-morpholinobuta-1,3-diene with nitroolefins 150
Tautomerism in enamines from 2-tetralone. Difference in nucleophilic behaviour between morpholino and pyrrolidino enamines 150
First Chemoenzymatic Synthesis of (+)-2-Carboxypyrrolidineacetic Acid, the Nucleus of Kainoid Amino Acids. 149
Diastereo- and Enantio-selective Cyclopentaannulations from Diacetyl Monoimines and Nitroalkenes 147
Enantiomerically pure beta,gamma-disubstituted gamma-lactams: Enzyme-mediated synthesis and computational studies 144
Vinylamines XI. Structure and reactivity of 2-carbalkoxy-, 2-acyl- and 2- phenyl-cyclohexanone enamines with ethylazodicarboxylate and phenylisocyanate 143
The crystal and molecular structure of the adduct from the stereoisomeric equilibrium mixture of racemic 2-(α-phenyl, β-nitro)ethyl-4-t-butylcyclohexanone 141
Vinylamines XII. Equilibrium in enamines from 3-substituted cyclohexanone: high selectivity of β-nitrostyrene towards the Δ6 isomers 138
Lack of stereoselectivity in the formation of thietane 1,1-dioxide derivative from anancomeric amino cycloalkenes 137
l-Substituted morpholino ethenes. III. Carbocyclic and aliphatic heterocyclic compounds from 5-membered ring derivatives 136
Enamines and Ynamines 134
Recent Aspects of the Synthesis of Enantiopure 5-oxo-tetrahydro-3-furan carboxylic acids 133
Enamines and ynamines in The chemistry of functional groups.SupplementF: The chemistry of amino,nitroso and nitro compounds and their derivatives 129
Lipase-catalyzed deacetylation of botryodiplodin acetate 126
Nitroalkylation Reactions of Methyl 2-(4-Morpholinyl)acrylate. Synthesis of alpha,omega-Dioxoesters 125
Enantioselectivity of alpha-chytripsyn towards 4,5-disubstituted-gamma-lactams: a new perspective from molecular simulations 124
The crystal and molecular strueture of l-(piperidin-1-yl)-4-t-butyl-7-thiobicyclo[4.2.0]octane 7,7-dioxide [lα,4α,6α] 123
Preparation of the Maleic Anhydride Nucleus from Dichloro gamma-Lactams:Focus on the Role of the N-Substituent in the Functional Rearrangement and in the Hydrolytic Steps 122
Ring contraction reactions of bicyclic nitronic esters 121
Oxidations and reduction of enamines in The chemistry of enamines, The chemistry of functional groups 119
Nucleophilic behaviour of enamines derived from 2-methyl-5,6-dihydro-2H-thiopyran-3(4H)-one l,l-dioxide 119
Ionization energies of some amines and enamines and an estimation of their relative basicities in gaseous phase 110
Nucleophilic behaviour of l-substituted morpholino ethenes 107
Optically active alpha-phenylethylamine as efficient organocatalyst in the solvent-free reactions between 2,3-butanedione and conjugated nitroolefins 107
Nitroalkylation and nitroalkenylation reactions of gamma-lactone enolates. A facile ring switch from polysubstituted gamma-lactones to polysubstituted gamma-lactams 102
Polyfunetionalized 1(2H)-hexahydropentalenones by rearrangement of bicyelie 1,2-oxazine N-oxide derivatives 100
ENZYMIC RESOLUTION OF AN ALFA-METHYLENE-GAMMA-LACTONIC ESTER 74
Totale 18.935
Salva come PNG Salva come JPEG
Categoria #
all - tutte 47.915
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 47.915
Salva come PNG Salva come JPEG


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021363 0 0 0 0 0 0 0 0 0 183 38 142
2021/20221.279 41 89 53 232 21 111 33 43 134 133 86 303
2022/20231.659 194 192 184 195 148 299 4 103 180 37 95 28
2023/2024851 81 55 59 48 101 46 123 161 5 27 69 76
2024/20252.210 61 60 92 194 315 128 178 132 324 241 225 260
2025/20265.456 536 551 1.216 454 404 505 636 144 506 504 0 0
Totale 18.935