ORENA, Mario
 Distribuzione geografica
Continente #
NA - Nord America 10.322
EU - Europa 5.599
AS - Asia 4.015
SA - Sud America 815
AF - Africa 162
Continente sconosciuto - Info sul continente non disponibili 6
OC - Oceania 4
Totale 20.923
Nazione #
US - Stati Uniti d'America 10.240
SG - Singapore 1.481
RU - Federazione Russa 1.445
UA - Ucraina 914
VN - Vietnam 797
BR - Brasile 619
CN - Cina 603
DE - Germania 537
SE - Svezia 520
IE - Irlanda 436
IT - Italia 428
DK - Danimarca 340
HK - Hong Kong 323
FR - Francia 318
FI - Finlandia 303
TR - Turchia 242
GB - Regno Unito 222
KR - Corea 187
IN - India 83
CI - Costa d'Avorio 62
AR - Argentina 60
BD - Bangladesh 60
IQ - Iraq 38
BE - Belgio 35
JP - Giappone 31
MX - Messico 31
ZA - Sudafrica 29
CA - Canada 28
EC - Ecuador 28
PK - Pakistan 28
CO - Colombia 27
CL - Cile 23
ID - Indonesia 22
NL - Olanda 22
MA - Marocco 20
PL - Polonia 18
PY - Paraguay 18
KE - Kenya 16
PH - Filippine 16
VE - Venezuela 16
ES - Italia 14
MY - Malesia 13
UZ - Uzbekistan 12
AE - Emirati Arabi Uniti 9
DZ - Algeria 9
SA - Arabia Saudita 9
EG - Egitto 8
LT - Lituania 8
BO - Bolivia 7
EU - Europa 6
NP - Nepal 6
PE - Perù 6
TH - Thailandia 6
UY - Uruguay 6
IL - Israele 5
JO - Giordania 5
KZ - Kazakistan 5
LB - Libano 5
PA - Panama 5
BH - Bahrain 4
CZ - Repubblica Ceca 4
ET - Etiopia 4
KW - Kuwait 4
MD - Moldavia 4
SN - Senegal 4
AL - Albania 3
AU - Australia 3
CH - Svizzera 3
CR - Costa Rica 3
DO - Repubblica Dominicana 3
GY - Guiana 3
IR - Iran 3
LU - Lussemburgo 3
PS - Palestinian Territory 3
RO - Romania 3
TN - Tunisia 3
TW - Taiwan 3
AZ - Azerbaigian 2
BY - Bielorussia 2
EE - Estonia 2
GE - Georgia 2
JM - Giamaica 2
KG - Kirghizistan 2
NG - Nigeria 2
PR - Porto Rico 2
PT - Portogallo 2
QA - Qatar 2
RS - Serbia 2
SR - Suriname 2
SV - El Salvador 2
TT - Trinidad e Tobago 2
AM - Armenia 1
AO - Angola 1
AT - Austria 1
BA - Bosnia-Erzegovina 1
BB - Barbados 1
BF - Burkina Faso 1
BG - Bulgaria 1
BS - Bahamas 1
GM - Gambi 1
Totale 20.907
Città #
Dallas 1.698
Chandler 1.095
Des Moines 992
Singapore 932
Jacksonville 909
Ashburn 826
Boardman 455
Dublin 436
Fairfield 346
San Jose 337
Hong Kong 298
Ho Chi Minh City 250
Wilmington 227
The Dalles 203
Hanoi 199
New York 195
San Mateo 186
Lawrence 183
Princeton 183
Woodbridge 182
Ann Arbor 150
Lauterbourg 150
Seattle 147
Hefei 137
Moscow 133
Beijing 130
Houston 130
Cambridge 121
Munich 106
Los Angeles 97
Helsinki 96
Centro 65
Abidjan 62
San Diego 59
São Paulo 53
Haiphong 40
Washington 40
Buffalo 39
Da Nang 38
Santa Clara 36
Orem 35
Brussels 29
Milan 29
Council Bluffs 27
Shanghai 27
Tokyo 26
Chennai 25
Easley 25
Turin 25
Chicago 24
Norwalk 21
Turku 20
Ancona 19
Warsaw 17
Frankfurt am Main 16
Manchester 16
Redmond 16
Wuhan 16
Curitiba 15
Guangzhou 15
London 15
Marche 15
Nairobi 15
Rio de Janeiro 15
Belo Horizonte 14
Baghdad 13
Atlanta 12
Biên Hòa 12
Edinburgh 12
Hải Dương 12
Stockholm 12
Ankara 11
Campinas 11
Johannesburg 11
Lahore 11
San Francisco 11
Tashkent 11
Amsterdam 10
Boston 10
Brasília 10
Brooklyn 10
Can Tho 10
Charlotte 9
Izmir 9
Medellín 9
Nha Trang 9
Phoenix 9
Quito 9
Yiwu 9
Cape Town 8
Denver 8
Jiaxing 8
Salt Lake City 8
Thái Bình 8
Toronto 8
Auburn Hills 7
Belém 7
Bắc Ninh 7
Bến Tre 7
Chiswick 7
Totale 12.813
Nome #
1,3-Oxazin-2-ones vs. Tetrahydrofurans by Iodocyclisation of 2-Alkoxycarbonyl amino-3-alken-1-ols 2.256
A short approach to chaetomellic anhydride A from 2,2-dichloropalmitic acid: elucidation of the mechanism governing the functional rearrangement of the chlorinated pyrrolidin-2-one intermediate 271
A New, Convenient Improvement of a Selective Silylation-desilylation Sequence in Polyhydroxylated Compounds by Means of Polymeric Reagents 164
A new Synthesis of (R)-GABOB and (R)-Oxiracetam 160
Highly stable atropisomers by electrophilic amination of a chiral γ-lactam within the synthesis of an elusive conformationally restricted analogue of α-methylhomoserine 160
A new conformationally restricted mimetic of dipeptide EG: synthesis of an analogue of FEG 157
Synthesis, structural insights and activity of different classes of biomolecules 157
Novel nucleoside analogs tethered on (3R,4R)-4-(hydroxymethyl)pyrrolidin-3-ol 154
Analogues of both Leu- and Met-enkephalin containing a constrained dipeptide isostere prepared from a Baylis-Hillman adduct 152
A Bifunctional β-Isocupreidine Derivative as Catalyst for the EnantioselectiveMorita–Baylis–Hillman Reaction and a Mechanistic Rationale forEnantioselectivity 152
Homochiral oxazolidin-2-ones and imidazolidin-2-ones by tandem nucleophilic addition-conjugate addition 145
A New Synthesis of 2,2'-Dialkylchrom-3-enes and Flav-3-enes 145
A New Synthetic Approach to 3-Amino-1,2-diols from Allylic Alcohols via Trichloroacetimidates 143
A new regio- and stereoselective functionalization of allylic and homoallylic alchols 140
Recent Advances in Chemistry of γ-Lactams: Part II. Functionalization by C-C or C-Heteroatom Bond Formation 139
Chemo-enzymatic approach to biologically active non proteinogenic amino acids 138
Synthesis of Aminoalcohols via Perihydro-1,3-oxazin-2-ones and Absolute Configuration Assignment through MM2 Calculations 137
A novel conformationally restricted analogue of 3-methylaspartic acid via stereoselective methylation of chiral pyrrolidin-2-ones 136
Synthesis and structural assignment of diastereomerically pure N-substituted 4-alkylpyrrolidin-2-ones, intermediates for the preparation of 3-alkylpyrrolidines in both enantiomerically pure forms 135
A New Synthesis of Aminodiols and Hydroxyaziridines by Using Acetate and Carbonate Ions on Polymeric Support 135
Studio teorico di solfoniluree: reazioni di idrolisi e SAR 135
Alchilazione e ossidrilazione stereoselettiva di pirrolidin-2-oni 4-sostituiti 135
Oxidation of Alcohols with Chromium Trioxide in Hexamethylphosphoric Triamide 133
beta-Peptoids: synthesis of a novel dimer having a fully extendedconformation 131
Chiral 3-hydroxypyrrolidin-2-ones. Part 2. Stereodivergent synthesis of conformationally restricted analogues of beta-homoserine 130
a-methylene-b-trichloroacetylamino alkanoates from trichloroacetimidates of the Baylis-Hillman adducts 130
A New Regio- and Stereoselective Functionalisation of Allylic and Homoallylic Alcohols 129
Analogues of nucleosides: synthesis of chiral pyrrolidin-2-ones or pyrrolidines-bearing nucleobases 127
Chiral 3-hydroxypyrrolidin-2-ones from a Baylis–Hillman adduct: convergent, stereoselective synthesis of a glycosidase inhibitor 126
Recent Advances in Chemistry of γ-Lactams: Part I. Synthesis Starting from Acyclic or Cyclic Precursors 126
Procedimento per preparare la daunosamina e prodotti intermedi 124
4,5-Disubstituted Pyrrolidin-2-ones starting from D-Xylose 124
A New Synthesis of Both the Enantiomers of 4-Amino-3-hydroxybutanoic Acid (GABOB) and MM2 Calculations for Rotamers of the Intermediate Oxazolidin-2-ones 124
A New Approach to (+)-2-Amino-2-deoxytetritols Derivatives 123
Iodocyclofunctionalisation of 1-Trichloroacetimido-2(E)-alkenes. Synthesis of (+)-erythro- Sphinganine Triacetate 123
A convenient approach to diastereomerically pure 1,3,4-trisubstituted pyrrolidin-2-ones by intramolecular cyclisation of N-(2-alken-1-yl)amides mediated by Mn(III). An entry to both (R)- and (S)-3-pyrrolidineacetic acid 123
Polymer Supported Reagents. Chromic Acid on Anion Exchange Resin. Synthesis of Aldehydes and Ketones from Allylic and Benzylic Halides 122
A Novel, Efficient Synthesis of (+)-erythro-Sphingosine 121
Synthesis of Compounds Containing the Isoprene Unit. A Stereospecific Synthesis of beta-Ionilideneacetic Acid and Dehydro-beta-ionilideneacetic Acid, a Key Intermediate to Abscisic Acid 120
A New, Enantioselective Approach to both (R)- and (S)-endo-Norbornenemethanol 120
A Stereoselective Approach to both 3,4-trans-Disubstituted Pyrrolidin-2-ones and Pyrrolidines. A Convenient Synthesis of (3R,4R)-4-Benzyl-3-pyrrolidinecarboxylic Acid 120
Recent Approaches to both 3-Azabicyclo[3.1.0]hexanes and 3-Azabicyclo[3.2.0]heptanes 119
A New Approach to the Synthesis of Enantiomerically Pure 2,3-Diaminoacids through Chiral Imidazolidin-2-ones 118
Imidazolidinone-Tethered α-Hydrazidopeptides – Synthesis and Conformational Investigation 118
Synthesis, conformation and biological activity of linear and cyclic Thr6-bradykinin analogues containing N-benzylglycine in place of phenylalanine 117
A Stereospecific Synthesis of Dehydronerol Isovalerate, a Component of Anthemisia Montana L. 117
A Stereoselective Synthesis of 12-Acetoxy-1,3(E)-dodecadiene, the Sex Pheromone of Diparopsis Castanea Hampson 117
Diastereoselective Alkylation of 3-Acylimidazolidin-2-ones: Synthesis of (R)- and (S)-Lavandulol 117
Synthesis of Enantiopure Isosteres of Amino Acids Containing a Quaternary Stereocenter: Experimental and Computational Evaluation of a Novel Class of Atropisomers 117
Sintesi diastereoselettiva di pirrolidin-2-oni 3,4-trans-disostituiti attraverso una reazione di Michael 116
A New Approach to 2-Phenylthioalcohols in High Optical Purity 116
Synthesis of Malyngolide, an Antibiotic from the Marine Blue-green Alga Lyngbya majuscula Gomont 115
Efficient conversion of the Baylis-Hillman adducts to alpha-methylene-beta-trichloroacetylamino alkanoates 115
A new, diastereoselective approach to (R)-GABOB 115
Chromic Acid on Anion Exchange Resins. A Simple and Practical Oxidation of Alcohols to Aldehydes and Ketones 114
Conformationally Restricted Analogues of both (S)-beta-Homoserine and (S)-Aspartic Acid from Chiral 3-Acylamino Pyrrolidin-2-ones 114
Iodociclizzazione stereoselettiva di 3-acilammino-2-metilene alcanoati: sintesi di analoghi dell’N-benzoil-syn-fenilisoserina 113
A Stereoselective Synthesis of (Z)-13-Hexadecen-11-ynyl acetate, the Sex Pheromone of Thaumetopoea pityocampa (Lepidoptera, Notodontidae) 112
Conjugate intra- and intermolecular addition mediated by methoxide anion on polymeric support 112
Interazioni enzima-substrato di inibitori della acetolattato sintetasi 112
Simple amphiphilic α-hydrazido acids: Rational design, synthesis, and in vitro bioactivity profile of a novel class of potential antimicrobial compounds 112
Stereodivergent Baylis-Hillman reaction of a chiral acryloyl imide exploiting ion-chelation effect: mechanistic insight on the rearrangement of trichloroacetimidates of the Baylis-Hillman adducts to the trichloroacetamides 111
Sintesi di amminoacidi ad attività biologica attraverso reazioni di ciclizzazione 111
Chiral gamma-lactams from a Baylis-Hillman adduct: convergent, stereoselective synthesis of a glycosidase inhibitor 111
Direct Amination. Part IV. Reaction of Indoles with Primary Aromatic Amines and Iodosobenzene Diacetate 111
Enantioselective Synthesis of 2-Benzyloxyalcohols and 1,2-Diols via Alkylation of Chiral Glycolate Imides. A Convenient Approach to Optically Active Glycerol Derivatives 110
Novel enantiomerically pure 2-amino-1,4-diols from chiral 4-hydroxymethyl-5-iodo-1,3-oxazin-2-ones 110
Simple Methods for Oxidation of o-Allylphenols to Chrom-3-enes 110
Hydrolysis of sulfonylureas: a theoretical and experimental study 110
Steric constraints against [3,3]-sigmatropic rearrangement of allylic azides. A convenient approach to β-L-4-aminopent-2-enoglyceropyranosides 109
An Efficient Synthesis of (R)-(+)- and (S)-(-)-Propranolol from Resolved 5-Iodomethyloxazolidin-2-ones 109
Synthesis of Oxazolidin-2-ones Using Carbonate Ion on a Polymeric Support 108
Sintesi degli acidi (R)- e (S)-3-pirrolidinacetico attraverso reazioni di Michael intramolecolari 108
A Regio- and Stereoselective Synthesis of Methyl alpha-L-Ristosaminide Hydrochloride 106
Synthesis of Rhodinose Using Supported Carbonate Anion 106
Amination Reactions Promoted by Electrophiles 105
Synthesis and structural characterization as 12-helix of the hexamer of a β-amino acid tethered to a pyrrolidin-2-one ring 105
Sviluppo di un modello recettoriale di inibitori della acetolattato sintetasi 104
Synthesis of Enantiomerically Pure 3-Amino-2-methylenealkanoates (Aza-Morita–Baylis–Hillman Adducts) Mediated by Cinchona Alkaloids 104
"(3R)- and (3S)-Methylpiperazine-2,5-dione Derivatives as Useful Intermediates in the Enantioselective Synthesis of a-Amino Esters 104
A Novel Synthesis of alpha-Hydroxyketones and gamma- or delta-Ketoesters from Cyclic Iodocarbonates and Iodolactones 103
DIRECT AMINATION. PART 4. REACTIONS OF INDOLES WITH PRIMARY AROMATIC AMINES AND IODOSOBENZENE DIACETATE, HETEROCYCLES 103
Synthesis of unsaturated β-amino acid derivatives from carbamates of the Baylis-Hillman products 103
Structural Assignment of the Dianion of 3-Methylbut-2-enoic Acid 102
Theoretical study on the hydrolysis of sulfonylureas 102
Synthesis of a cyclic isostere of α-methyl homoserine by a stereoselective acylation–alkylation sequence of a chiral γ-lactam 102
CYCLOCARBAMATION REACTIONS OF OLEFINIC COMPOUNDS, EPOXIDES AND AZIRIDINES 101
Sintesi stereoselettiva di pirrolidin-2-oni attraverso reazioni di addizione coniugata 101
Pyrrolidin-2-one-based beta-amino acids as a helical backbone 101
Sintesi di diammine enantiomericamente pure 100
Quaternary Centres as a Tool for Modulating Foldamer Conformation 100
Synthesis of (±)-beta-Methyleneaspartic Acid, Inhibitor of Glutamate-aspartate Transaminase 99
Stereocontrolled Cyclofunctionalisations of Double Bonds through Heterocyclic Intermediates 99
From pyrrolidin-2-ones to 3-Aza-2-oxobicyclo[3.2.0]heptanes. Synthesis of both enantiomers of cis-2-aminomethylcyclobutane carboxylic acid, a conformationally restricted analogue of GABA 99
Synthesis of (R)-N-Tosyl Emeriamine via Chiral N-Tosylimidazolidin-2-ones 98
Synthesis of Chiral 1,2-Diamines 98
A Simple and Practical Method for Tetrahydropyranylation of Alcohols 97
Highly Regio- and Stereoselective Iodocyclisation of Chiral 3-Alkoxycarbonyl-4-propenyl-2,2-dimethyl-1,3-oxazolidines: a Computational Investigation 97
Studio teorico previsionale di reazioni idrolitiche di sulfoniluree mediante calcoli semiempirici 96
Una nuova funzionalizzazione regio- e stereoselettiva di alcoli allilici ed omoallilici 96
Totale 14.177
Categoria #
all - tutte 78.892
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 78.892


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021486 0 0 0 0 0 0 0 0 0 148 241 97
2021/20221.263 59 338 9 91 8 66 41 93 65 104 87 302
2022/20233.626 265 199 264 271 242 1.272 10 231 666 14 127 65
2023/20241.531 267 35 84 232 254 267 33 88 2 55 6 208
2024/20252.346 164 208 203 22 44 43 293 98 620 128 189 334
2025/20267.565 353 787 1.333 605 572 463 1.247 633 1.153 419 0 0
Totale 21.011