UNICA IRIS Institutional Research Information System

FRONGIA, ANGELO
 Distribuzione geografica
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Continente #
EU - Europa 159.674
NA - Nord America 4.555
AS - Asia 437
AF - Africa 1
Continente sconosciuto - Info sul continente non disponibili 1
OC - Oceania 1
SA - Sud America 1
Totale 164.670
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Nazione #
IT - Italia 158.135
US - Stati Uniti d'America 4.529
DE - Germania 469
CN - Cina 369
UA - Ucraina 359
SE - Svezia 302
GB - Regno Unito 146
FI - Finlandia 113
BE - Belgio 71
FR - Francia 43
IN - India 38
CA - Canada 25
NL - Olanda 17
IR - Iran 9
VN - Vietnam 6
JP - Giappone 5
CZ - Repubblica Ceca 4
AT - Austria 3
HK - Hong Kong 3
IE - Irlanda 3
IL - Israele 3
PL - Polonia 3
CH - Svizzera 2
KR - Corea 2
AR - Argentina 1
AU - Australia 1
BG - Bulgaria 1
EE - Estonia 1
EG - Egitto 1
EU - Europa 1
LT - Lituania 1
MX - Messico 1
PK - Pakistan 1
PT - Portogallo 1
SG - Singapore 1
Totale 164.670
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Città #
Cagliari 157.850
Fairfield 675
Woodbridge 546
Chandler 447
Houston 294
Ashburn 284
Ann Arbor 283
Wilmington 261
Seattle 258
Nyköping 257
Cambridge 231
Jacksonville 196
Dearborn 190
Boardman 78
Nanjing 74
Brussels 70
Beijing 64
Helsinki 57
Boston 53
Nürnberg 38
Shenyang 32
San Diego 31
Redwood City 30
Hebei 28
Pune 27
Sassari 27
Guangzhou 26
San Mateo 24
London 21
Toronto 20
Nanchang 15
Auburn Hills 14
Jinan 14
Tianjin 14
Hefei 13
Jiaxing 12
Mountain View 12
Ningbo 12
Orange 11
Changsha 10
Milan 10
Los Angeles 9
Norwalk 9
Zhengzhou 9
Ardabil 8
Rome 8
Augusta 7
Chicago 7
Monmouth Junction 7
Paris 7
Verona 7
Assèmini 6
Dong Ket 6
Leawood 6
Mumbai 6
Borås 5
Chengdu 5
Phoenix 5
Washington 5
Atlanta 4
Brno 4
Chiswick 4
Easton 4
Fuzhou 4
Kunming 4
Udine 4
Acton 3
Amsterdam 3
Calvisano 3
Costa Mesa 3
Dublin 3
Selargius 3
Vienna 3
Baunei 2
Buffalo 2
Cinisello Balsamo 2
Cracow 2
Dallas 2
Falkenstein 2
Geneve 2
Gloucester 2
Groningen 2
Hounslow 2
Islington 2
Marseille 2
Mcallen 2
New York 2
Norfolk 2
Nuremberg 2
Orsay 2
Ozieri 2
Prescot 2
Quartu Sant'Elena 2
Quartu Sant'elena 2
Rennes 2
San Francisco 2
San Gavino Monreale 2
Shanghai 2
Shenzhen 2
Simi Valley 2
Totale 162.834
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Nome #
A pheromone analogue affects the evaporation rate of (+)-disparlure in Lymantria dispar 5.252
A facile strategy for new organic white LED hybrid devices: Design, features and engineering 4.340
Synthesis and characterization of tunable coumarin- linked glasses as new class of organic/inorganic phosphors 3.989
Catalytic enantioselective synthesis of α-(benzylamino)cyclobutanones 3.863
Synthesis of quaternary α-benzyl- and α-allyl-α-methylamino cyclobutanones 3.513
Organocatalytic asymmetric condensation/keto-enol tautomerization tandem reaction:access to cyclobutanone alfa-amino acid ester derivatives 3.511
Deracemizing organocatalyzed Michael addition reactions of 2-(arylthio)cyclobutanones with β-nitrostyrenes 3.463
Organocatalyzed tandem process involving asymmetric protonations as a stereo-defining step 3.433
Enantioselective organocatalyzed functionalization of benzothiophene and thiophenecarbaldehyde derivatives 3.342
From (phenylsulfanyl)cycloalkanecarbaldehydes to optically active spirocyclic tetrahydrofurans: stereospecific resolution of symmetric aldehydes through (S)-proline-catalysed aldol reaction 3.324
Synthesis of functionalized tryptamines by Brønsted acid catalysed cascade reactions 3.296
Enantioselective organocatalyzed desymmetrization of 3-substituted cyclobutanones through Michael addition to nitroalkenes 3.199
Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols 3.054
Electrophysiological and behavioural analysis on the use of a (+) disparlure analogue for biological control of Lymantria dispar L 3.044
Tetrazole Amides as Hydrogen-Bonding Donor Catalysts in the Chemoselective Oxidation of Sulphides and Disulphides 3.039
Organocatalytic synthesis of optically active aryllactic acid derivatives from β -ketosulfoxides 2.826
Stereoselective aza-Michael addition of anilines to 1-nitro cyclohexene by intramolecular protonation 2.771
Synthesis of 2,2-bis(pyridin-2-yl amino)cyclobutanols and their conversion into 5-(pyridin-2-ylamino)dihydrofuran-2(3: H)-ones 2.752
α-Benzoyloxylation of β-keto sulfides at ambient temperature 2.704
Brønsted acid Catalysed Synthesis of 3-(2-Alkoxyethyl)indoles from α-Arylaminocyclobutanones and Alcohols 2.681
New aminotetrazole derivatives as hydrogen bonding catalysts. A green and selective oxidation of organosulphides with H2O2 in H2O 2.663
Disulfide-based metal-free α-sulfanylation of ketones 2.662
null 2.463
Ammonium salt catalyzed oxidation of organosulfides to organosulfoxydes 2.427
Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: a Route to Functionalized Cyclopropanecarbaldehydes 2.427
Catalytic enantioselective synthesis of α-arylaminocyclobutanones 2.412
Synthesis of β-sulfinyl cyclobutane carboxylic amides: Via a formal α to β sulphoxide migration process 2.354
null 2.329
Acid-catalyzed synthesis of functionalized arylthio cyclopropane carbaldehydes and ketones 2.325
Brønsted Acid Mediated Cascade Reaction to Access 3-(2-Bromoethyl)benzofurans 2.198
Very high stereoselectivity in organocatalyzed desymmetrizing aldol reactions of 3-substituted cyclobutanones 2.152
Catalytic Tandem Friedel–Crafts Alkylation/C4–C3 Ring-Contraction Reaction: An Efficient Route for the Synthesis of Indolyl Cyclopropanecarbaldehydes and Ketones 2.146
Stereoselective and regioselective pinacol-type rearrangement of a fused bicyclic oxetanol scaffold 2.137
A sex pheromone analogue as a tool for biological control of Lymantria dispar L. populations 2.062
Recent progress in the synthetic assembly of 2-cyclopentenones 2.061
Regioselective Synthesis of Trisubstituted 2,3-Dihydrofurans from Donor−Acceptor Cyclopropanes or from Reaction of the Corey Ylide with α-Sulfenyl-, α-Sulfinyl-, or α-Sulfonylenones 1.997
One Pot Synthesis of Cyclobutanols by Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents 1.997
null 1.994
null 1.979
null 1.974
null 1.963
Stereocontrolled synthesis and functionalization of cyclobutanes and cyclobutanones 1.937
null 1.930
Organocatalytic asymmetric tandem condensation-intramolecular rearrangement-protonation: An approach to optically active α-amino thioester derivatives 1.930
Solvent-free stereoselective organocatalyzed aldol reaction of 2-hydroxycyclobutanone 1.917
Preparation of Cyclobutene Acetals and Tricyclic Oxetanes through Photochemical Tandem and Cascade Reactions 1.914
Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process 1.902
null 1.886
null 1.783
Unexpected formation of optically active 4-substituted 5-hydroxy-γ- lactams by organocatalyzed reaction of 3-substituted cyclobutanones with nitrosobenzene 1.773
A new entry to alkylidenecyclopropanes through a Ramberg-Backlund rearrangement of cyclopropylsulfones 1.769
Unexpected Stereochemistry in the Lithium Salt Catalyzed Ring Expansion of Nonracemic Oxaspiropentanes. Formal Syntheses of (-)-(4R,5R)-Muricatacin and the Pheromone (R) -Japolinure 1.758
Catalytic enantioselective Amadori-Heyns rearrangement of racemic α-hydroxy ketones with arylamines: Synthesis of optically active α-arylamino ketones 1.732
null 1.724
The first organocatalysed direct aldol reaction of 2-hydroxycyclobutanone 1.711
Synthesis of New Heterocycles through a Cation-driven Tandem Ring-enlargement-annulation reaction 1.633
Oxaspiropentane derivatives as effective sex pheromone analogues in the gypsy moth: Electrophysiological and behavioral evidence 1.611
null 1.610
Enantioselective organocatalytic rearrangement of α-acyloxy- β-keto sulfides to α-acyloxy thioesters 1.594
ENANTIOSELECTIVE ASYMMETRIC TRANSFORMATION OF CYCLOBUTANONE DERIVATIVES 1.583
null 1.573
null 1.384
of New Heterocycles through a Cation- Driven Tandem Ring- Enlargement- Annulation reaction 1.281
Analoghi di sintesi del feromone sessuale come strumento per il controllo della popolazione di Lymantria dispar 1.200
Synthesis of α-Aminocyclopropyl Ketones and 2-Substituted Benzoimidazoles from 2-Hydroxycyclobutanones and Aryl Amines 1.100
null 1.007
null 916
Convenient Formal Synthesis of (+/-)-Cuparene, (+/-)-Enokipodins A and B, and (+/-)-Cuparene-1,4-Quinone 913
Visible light promoted continuous flow photocyclization of 1,2-diketones 814
Z-Selective Synthesis of α-Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis 696
Synthesis of Tryptamines through a Novel Bronsted Acid Mediated Tandem Reaction Initiated by α-Iminol Rearrangement of Transient 2-Substituted 2-Hydroxycyclobutylimines 615
null 587
A short synthesis of both enantiomers of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid 501
Synthesis of tertiary cyclobutanols through stereoselective ring expansion of oxaspiropentanes induced by Grignard reagents 377
Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes 341
A Bronsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters 333
Easy access to trans-2,3-disubstituted cyclobutanones, 2,4,5-trisubstituted 3,6-dihydro-2H-pyrans and cis-substituted phenylcyclopropylsulfones by using the highly versatile 1-phenylsulfenyl- or 1-phenylsulfonyl-cyclopropylketones 314
Synthesis Of Highly Functionalized Nitrogen Heterocycle From 2-Hydroxycyclobutanones And Aromatic Amines 305
A Catalytic One-Pot Synthesis of Indolyl Cyclobutanones 294
Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes 290
Back Cover Picture: (Adv. Synth. Catal. 5/2014) 253
The first facile synthesis of some 1,2a,3,8b-Tetrahydro-2H-Cyclobuta[c] chromenes through intramolecular alkylation of an aromatic ring by a cyclobutanone 241
Tandem Baeyer–Villiger/Wittig/oxa-Michael addition: One-step to 5-substituted γ-lactones 227
Insights into the reactivity of 2-hydroxycyclobutanones with thiols corroborated by quantum chemical DFT investigations, NMR and Raman analysis 183
L-proline-catalyzed direct intermolecular asymmetric aldol reactions of 1-phenylthiocycloalkyl carboxaldehydes with ketones. Easy access to spiro- and fused-cyclobutyl tetrahydrofurans and cyclopentanones 155
β-N-Heterocyclic Cyclobutane Carboximides: Synthesis through a Tandem Base-Catalyzed Amidation/aza-Michael Addition Protocol and Facile Transformations 153
2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols. A short synthesis of (+/-)-alpha-cuparenone and (+/-)-herbertene 152
Solvent-Free Synthesis of Quaternary Oxazolidine-2-thione β3-Amino Ester Analogs 138
A Highly Stereocontrolled Formal Total Synthesis of (±)- and (-)-Grandisol by 1,4-Conjugated Addition of Organocopper Reagents to Cyclobutylidene Derivatives 137
Intramolecular capture of a cyclobutylthionium ion for the synthesis of new strained heterocycles and carbocycles: A rapid assembly of the BCD ring sequence of penitrems 137
A new synthesis of alkylidenecyclopropanes by the Julia-Lythgoe-type olefination using sulfones and sulfoxides 115
Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereoisomeric monoterpenoids: (±)- Fragranol and (±)- Grandisol 114
Synthesis of enantiomerically enriched secondary and tertiary phenylthio- and phenoxy-aldols 101
Solution structure of some λ3 iodanes: An 17O NMR and DFT study 86
Discoveries through Organocatalyzed, Brønsted Acid Catalyzed and Non-Catalyzed Transformations of 2-Hydroxycyclobutanone 77
Convenient Formal Synthesis of (+)-Grandisol through Promoted Lewis Acid Promoted Enantioselective Pinacolic Rearrangement 60
Convenient Formal Synthesis of (±)-Cuparene, (±)-Enokipodins A, B and (±)-Cuparene-1,4-Quinone 44
Totale 165.029
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Categoria #
all - tutte 181.535
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 181.535
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2018/20193.848 0 0 0 0 0 652 559 438 389 481 938 391
2019/202032.346 1.341 1.313 155 611 11.006 8.488 4.755 944 647 1.021 731 1.334
2020/202142.751 1.337 1.592 1.914 11.824 8.253 4.462 3.031 2.659 1.265 2.562 2.502 1.350
2021/202210.163 1.029 1.015 573 438 691 936 793 648 617 743 1.375 1.305
2022/202314.569 1.421 2.114 1.725 1.270 1.509 1.348 660 860 830 939 1.217 676
2023/20243.950 707 458 448 800 1.266 271 0 0 0 0 0 0
Totale 165.029