UNICA IRIS Institutional Research Information System

FRONGIA, ANGELO
 Distribuzione geografica
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Continente #
EU - Europa 165.674
NA - Nord America 4.648
AS - Asia 534
AF - Africa 1
Continente sconosciuto - Info sul continente non disponibili 1
OC - Oceania 1
SA - Sud America 1
Totale 170.860
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Nazione #
IT - Italia 164.192
US - Stati Uniti d'America 4.622
DE - Germania 469
CN - Cina 435
UA - Ucraina 359
SE - Svezia 302
GB - Regno Unito 140
FI - Finlandia 113
FR - Francia 43
IN - India 40
SG - Singapore 30
CA - Canada 25
BE - Belgio 21
NL - Olanda 18
IR - Iran 9
VN - Vietnam 6
JP - Giappone 5
AT - Austria 3
HK - Hong Kong 3
IE - Irlanda 3
IL - Israele 3
PL - Polonia 3
CH - Svizzera 2
CZ - Repubblica Ceca 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
Totale 170.860
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Città #
Cagliari 163.894
Fairfield 675
Woodbridge 546
Chandler 447
Ashburn 317
Houston 294
Ann Arbor 283
Seattle 263
Wilmington 261
Nyköping 257
Cambridge 231
Jacksonville 196
Dearborn 190
Boardman 78
Nanjing 74
Beijing 64
Shanghai 64
Helsinki 57
New York 54
Boston 53
Nürnberg 38
Shenyang 32
San Diego 31
Redwood City 30
Hebei 28
Pune 27
Sassari 27
Guangzhou 26
San Mateo 24
Brussels 20
Toronto 20
London 16
Nanchang 15
Auburn Hills 14
Jinan 14
Los Angeles 14
Tianjin 14
Hefei 13
Jiaxing 12
Mountain View 12
Ningbo 12
Orange 11
Changsha 10
Milan 10
Zhengzhou 10
Norwalk 9
Rome 9
Ardabil 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
Easton 4
Fuzhou 4
Kilburn 4
Kunming 4
Udine 4
Acton 3
Amsterdam 3
Calvisano 3
Costa Mesa 3
Dublin 3
Selargius 3
Vienna 3
Baunei 2
Brno 2
Buffalo 2
Chiswick 2
Cinisello Balsamo 2
Cracow 2
Dallas 2
Falkenstein 2
Geneve 2
Gloucester 2
Groningen 2
Hyderabad 2
Marseille 2
Mcallen 2
Narcao 2
Norfolk 2
Novara 2
Nuremberg 2
Orsay 2
Ozieri 2
Quartu Sant'Elena 2
Quartu Sant'elena 2
Rennes 2
San Francisco 2
San Gavino Monreale 2
Shenzhen 2
Totale 168.980
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Nome #
A pheromone analogue affects the evaporation rate of (+)-disparlure in Lymantria dispar 5.356
A facile strategy for new organic white LED hybrid devices: Design, features and engineering 4.449
Synthesis and characterization of tunable coumarin- linked glasses as new class of organic/inorganic phosphors 4.087
Catalytic enantioselective synthesis of α-(benzylamino)cyclobutanones 3.955
Organocatalytic asymmetric condensation/keto-enol tautomerization tandem reaction:access to cyclobutanone alfa-amino acid ester derivatives 3.612
Synthesis of quaternary α-benzyl- and α-allyl-α-methylamino cyclobutanones 3.592
Deracemizing organocatalyzed Michael addition reactions of 2-(arylthio)cyclobutanones with β-nitrostyrenes 3.549
Organocatalyzed tandem process involving asymmetric protonations as a stereo-defining step 3.530
Enantioselective organocatalyzed functionalization of benzothiophene and thiophenecarbaldehyde derivatives 3.419
From (phenylsulfanyl)cycloalkanecarbaldehydes to optically active spirocyclic tetrahydrofurans: stereospecific resolution of symmetric aldehydes through (S)-proline-catalysed aldol reaction 3.403
Synthesis of functionalized tryptamines by Brønsted acid catalysed cascade reactions 3.381
Enantioselective organocatalyzed desymmetrization of 3-substituted cyclobutanones through Michael addition to nitroalkenes 3.276
Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols 3.148
Tetrazole Amides as Hydrogen-Bonding Donor Catalysts in the Chemoselective Oxidation of Sulphides and Disulphides 3.120
Electrophysiological and behavioural analysis on the use of a (+) disparlure analogue for biological control of Lymantria dispar L 3.100
Organocatalytic synthesis of optically active aryllactic acid derivatives from β -ketosulfoxides 2.901
Stereoselective aza-Michael addition of anilines to 1-nitro cyclohexene by intramolecular protonation 2.851
Synthesis of 2,2-bis(pyridin-2-yl amino)cyclobutanols and their conversion into 5-(pyridin-2-ylamino)dihydrofuran-2(3: H)-ones 2.841
α-Benzoyloxylation of β-keto sulfides at ambient temperature 2.794
Brønsted acid Catalysed Synthesis of 3-(2-Alkoxyethyl)indoles from α-Arylaminocyclobutanones and Alcohols 2.770
Disulfide-based metal-free α-sulfanylation of ketones 2.755
New aminotetrazole derivatives as hydrogen bonding catalysts. A green and selective oxidation of organosulphides with H2O2 in H2O 2.754
Ammonium salt catalyzed oxidation of organosulfides to organosulfoxydes 2.513
Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: a Route to Functionalized Cyclopropanecarbaldehydes 2.513
Catalytic enantioselective synthesis of α-arylaminocyclobutanones 2.498
null 2.463
Synthesis of β-sulfinyl cyclobutane carboxylic amides: Via a formal α to β sulphoxide migration process 2.455
Acid-catalyzed synthesis of functionalized arylthio cyclopropane carbaldehydes and ketones 2.424
null 2.329
Brønsted Acid Mediated Cascade Reaction to Access 3-(2-Bromoethyl)benzofurans 2.294
Catalytic Tandem Friedel–Crafts Alkylation/C4–C3 Ring-Contraction Reaction: An Efficient Route for the Synthesis of Indolyl Cyclopropanecarbaldehydes and Ketones 2.238
Stereoselective and regioselective pinacol-type rearrangement of a fused bicyclic oxetanol scaffold 2.224
Very high stereoselectivity in organocatalyzed desymmetrizing aldol reactions of 3-substituted cyclobutanones 2.215
Recent progress in the synthetic assembly of 2-cyclopentenones 2.149
A sex pheromone analogue as a tool for biological control of Lymantria dispar L. populations 2.123
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 2.060
One Pot Synthesis of Cyclobutanols by Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents 2.058
Stereocontrolled synthesis and functionalization of cyclobutanes and cyclobutanones 2.020
Solvent-free stereoselective organocatalyzed aldol reaction of 2-hydroxycyclobutanone 2.002
Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process 2.001
null 1.994
Preparation of Cyclobutene Acetals and Tricyclic Oxetanes through Photochemical Tandem and Cascade Reactions 1.994
Organocatalytic asymmetric tandem condensation-intramolecular rearrangement-protonation: An approach to optically active α-amino thioester derivatives 1.992
null 1.979
null 1.974
null 1.963
null 1.930
null 1.886
Unexpected formation of optically active 4-substituted 5-hydroxy-γ- lactams by organocatalyzed reaction of 3-substituted cyclobutanones with nitrosobenzene 1.823
Catalytic enantioselective Amadori-Heyns rearrangement of racemic α-hydroxy ketones with arylamines: Synthesis of optically active α-arylamino ketones 1.816
A new entry to alkylidenecyclopropanes through a Ramberg-Backlund rearrangement of cyclopropylsulfones 1.814
Unexpected Stereochemistry in the Lithium Salt Catalyzed Ring Expansion of Nonracemic Oxaspiropentanes. Formal Syntheses of (-)-(4R,5R)-Muricatacin and the Pheromone (R) -Japolinure 1.807
null 1.783
The first organocatalysed direct aldol reaction of 2-hydroxycyclobutanone 1.765
null 1.724
Synthesis of New Heterocycles through a Cation-driven Tandem Ring-enlargement-annulation reaction 1.687
Oxaspiropentane derivatives as effective sex pheromone analogues in the gypsy moth: Electrophysiological and behavioral evidence 1.677
ENANTIOSELECTIVE ASYMMETRIC TRANSFORMATION OF CYCLOBUTANONE DERIVATIVES 1.646
Enantioselective organocatalytic rearrangement of α-acyloxy- β-keto sulfides to α-acyloxy thioesters 1.640
null 1.610
null 1.573
null 1.384
of New Heterocycles through a Cation- Driven Tandem Ring- Enlargement- Annulation reaction 1.331
Analoghi di sintesi del feromone sessuale come strumento per il controllo della popolazione di Lymantria dispar 1.245
Synthesis of α-Aminocyclopropyl Ketones and 2-Substituted Benzoimidazoles from 2-Hydroxycyclobutanones and Aryl Amines 1.187
null 1.007
Convenient Formal Synthesis of (+/-)-Cuparene, (+/-)-Enokipodins A and B, and (+/-)-Cuparene-1,4-Quinone 945
null 916
Visible light promoted continuous flow photocyclization of 1,2-diketones 892
Z-Selective Synthesis of α-Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis 811
Synthesis of Tryptamines through a Novel Bronsted Acid Mediated Tandem Reaction Initiated by α-Iminol Rearrangement of Transient 2-Substituted 2-Hydroxycyclobutylimines 711
A short synthesis of both enantiomers of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid 597
null 587
Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes 440
Synthesis of tertiary cyclobutanols through stereoselective ring expansion of oxaspiropentanes induced by Grignard reagents 417
A Bronsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters 415
Synthesis Of Highly Functionalized Nitrogen Heterocycle From 2-Hydroxycyclobutanones And Aromatic Amines 395
A Catalytic One-Pot Synthesis of Indolyl Cyclobutanones 379
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 362
Back Cover Picture: (Adv. Synth. Catal. 5/2014) 354
Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes 339
Tandem Baeyer–Villiger/Wittig/oxa-Michael addition: One-step to 5-substituted γ-lactones 319
Insights into the reactivity of 2-hydroxycyclobutanones with thiols corroborated by quantum chemical DFT investigations, NMR and Raman analysis 292
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 288
β-N-Heterocyclic Cyclobutane Carboximides: Synthesis through a Tandem Base-Catalyzed Amidation/aza-Michael Addition Protocol and Facile Transformations 234
Solvent-Free Synthesis of Quaternary Oxazolidine-2-thione β3-Amino Ester Analogs 233
L-proline-catalyzed direct intermolecular asymmetric aldol reactions of 1-phenylthiocycloalkyl carboxaldehydes with ketones. Easy access to spiro- and fused-cyclobutyl tetrahydrofurans and cyclopentanones 217
2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols. A short synthesis of (+/-)-alpha-cuparenone and (+/-)-herbertene 201
A Highly Stereocontrolled Formal Total Synthesis of (±)- and (-)-Grandisol by 1,4-Conjugated Addition of Organocopper Reagents to Cyclobutylidene Derivatives 188
Synthesis of enantiomerically enriched secondary and tertiary phenylthio- and phenoxy-aldols 178
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 176
Discoveries through Organocatalyzed, Brønsted Acid Catalyzed and Non-Catalyzed Transformations of 2-Hydroxycyclobutanone 172
Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereoisomeric monoterpenoids: (±)- Fragranol and (±)- Grandisol 169
A new synthesis of alkylidenecyclopropanes by the Julia-Lythgoe-type olefination using sulfones and sulfoxides 165
Solution structure of some λ3 iodanes: An 17O NMR and DFT study 130
Convenient Formal Synthesis of (+)-Grandisol through Promoted Lewis Acid Promoted Enantioselective Pinacolic Rearrangement 98
Convenient Formal Synthesis of (±)-Cuparene, (±)-Enokipodins A, B and (±)-Cuparene-1,4-Quinone 79
Synthesis of cyclobutane-fused oxazolidine-2-thione derivatives 63
The Heyns Rearrangement: Synthetic Routes Beyond Carbohydrate Chemistry 15
Totale 171.230
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Categoria #
all - tutte 192.871
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 192.871
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2018/20191.329 0 0 0 0 0 0 0 0 0 0 938 391
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
2022/202314.538 1.421 2.114 1.725 1.270 1.509 1.348 651 855 826 933 1.212 674
2023/202410.182 701 454 445 793 1.248 2.100 1.885 880 559 987 130 0
Totale 171.230