UNICA IRIS Institutional Research Information System

FRONGIA, ANGELO
 Distribuzione geografica
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Continente #
EU - Europa 264.885
NA - Nord America 4.693
AS - Asia 737
AF - Africa 1
Continente sconosciuto - Info sul continente non disponibili 1
OC - Oceania 1
SA - Sud America 1
Totale 270.319
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Nazione #
IT - Italia 263.395
US - Stati Uniti d'America 4.667
CN - Cina 560
DE - Germania 472
UA - Ucraina 359
SE - Svezia 302
GB - Regno Unito 140
FI - Finlandia 114
SG - Singapore 97
FR - Francia 44
IN - India 40
CA - Canada 25
BE - Belgio 21
NL - Olanda 20
IR - Iran 9
HK - Hong Kong 8
KR - Corea 8
VN - Vietnam 6
JP - Giappone 5
AT - Austria 3
IE - Irlanda 3
IL - Israele 3
PL - Polonia 3
CH - Svizzera 2
CZ - Repubblica Ceca 2
LT - Lituania 2
AR - Argentina 1
AU - Australia 1
BG - Bulgaria 1
EE - Estonia 1
EG - Egitto 1
EU - Europa 1
MX - Messico 1
PK - Pakistan 1
PT - Portogallo 1
Totale 270.319
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Città #
Cagliari 262.880
Fairfield 675
Woodbridge 546
Chandler 447
Ashburn 333
Houston 294
Ann Arbor 283
Seattle 263
Wilmington 261
Nyköping 257
Cambridge 231
Uta 209
Jacksonville 196
Dearborn 190
Shanghai 100
Boardman 79
Nanjing 74
Beijing 67
Helsinki 58
New York 54
Boston 53
Singapore 39
Nürnberg 38
Guangzhou 33
Shenyang 32
San Diego 31
Redwood City 30
Hebei 28
Pune 27
Sassari 27
San Mateo 24
Los Angeles 21
Brussels 20
Toronto 20
London 16
Nanchang 15
Auburn Hills 14
Jiaxing 14
Jinan 14
Tianjin 14
Hefei 13
Mountain View 12
Ningbo 12
Orange 11
Changsha 10
Milan 10
Zhengzhou 10
Norwalk 9
Rome 9
Wuhan 9
Ardabil 8
Selargius 8
Augusta 7
Chicago 7
Monmouth Junction 7
Paris 7
Phoenix 7
Verona 7
Assèmini 6
Dong Ket 6
Leawood 6
Mumbai 6
Borås 5
Chengdu 5
Seoul 5
Washington 5
Atlanta 4
Easton 4
Fuzhou 4
Jinhua 4
Kilburn 4
Kunming 4
Udine 4
Wuxi 4
Acton 3
Amsterdam 3
Calvisano 3
Costa Mesa 3
Dublin 3
San Francisco 3
Vienna 3
Baunei 2
Brno 2
Buffalo 2
Chiswick 2
Cinisello Balsamo 2
Cracow 2
Dallas 2
Falkenstein 2
Frankfurt am Main 2
Geneve 2
Gloucester 2
Groningen 2
Hyderabad 2
Marseille 2
Mcallen 2
Munich 2
Narcao 2
Norfolk 2
Novara 2
Totale 268.305
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Nome #
Synthesis Of Highly Functionalized Nitrogen Heterocycle From 2-Hydroxycyclobutanones And Aromatic Amines 14.154
Back Cover Picture: (Adv. Synth. Catal. 5/2014) 11.470
Stereoselective and regioselective pinacol-type rearrangement of a fused bicyclic oxetanol scaffold 9.518
Convenient Formal Synthesis of (±)-Cuparene, (±)-Enokipodins A, B and (±)-Cuparene-1,4-Quinone 8.709
Brønsted acid Catalysed Synthesis of 3-(2-Alkoxyethyl)indoles from α-Arylaminocyclobutanones and Alcohols 7.129
A pheromone analogue affects the evaporation rate of (+)-disparlure in Lymantria dispar 6.592
Catalytic enantioselective Amadori-Heyns rearrangement of racemic α-hydroxy ketones with arylamines: Synthesis of optically active α-arylamino ketones 5.996
From (phenylsulfanyl)cycloalkanecarbaldehydes to optically active spirocyclic tetrahydrofurans: stereospecific resolution of symmetric aldehydes through (S)-proline-catalysed aldol reaction 5.628
Catalytic enantioselective synthesis of α-(benzylamino)cyclobutanones 5.394
Synthesis of New Heterocycles through a Cation-driven Tandem Ring-enlargement-annulation reaction 5.354
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 4.928
Synthesis of quaternary α-benzyl- and α-allyl-α-methylamino cyclobutanones 4.755
A facile strategy for new organic white LED hybrid devices: Design, features and engineering 4.657
Synthesis and characterization of tunable coumarin- linked glasses as new class of organic/inorganic phosphors 4.259
Organocatalytic asymmetric condensation/keto-enol tautomerization tandem reaction:access to cyclobutanone alfa-amino acid ester derivatives 4.113
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 3.951
Analoghi di sintesi del feromone sessuale come strumento per il controllo della popolazione di Lymantria dispar 3.941
Synthesis of functionalized tryptamines by Brønsted acid catalysed cascade reactions 3.914
Enantioselective organocatalyzed desymmetrization of 3-substituted cyclobutanones through Michael addition to nitroalkenes 3.870
Deracemizing organocatalyzed Michael addition reactions of 2-(arylthio)cyclobutanones with β-nitrostyrenes 3.781
Solvent-free stereoselective organocatalyzed aldol reaction of 2-hydroxycyclobutanone 3.724
Organocatalyzed tandem process involving asymmetric protonations as a stereo-defining step 3.713
Disulfide-based metal-free α-sulfanylation of ketones 3.649
Enantioselective organocatalyzed functionalization of benzothiophene and thiophenecarbaldehyde derivatives 3.620
New aminotetrazole derivatives as hydrogen bonding catalysts. A green and selective oxidation of organosulphides with H2O2 in H2O 3.482
Tetrazole Amides as Hydrogen-Bonding Donor Catalysts in the Chemoselective Oxidation of Sulphides and Disulphides 3.385
Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols 3.335
Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: a Route to Functionalized Cyclopropanecarbaldehydes 3.325
Electrophysiological and behavioural analysis on the use of a (+) disparlure analogue for biological control of Lymantria dispar L 3.266
Organocatalytic synthesis of optically active aryllactic acid derivatives from β -ketosulfoxides 3.184
Stereoselective aza-Michael addition of anilines to 1-nitro cyclohexene by intramolecular protonation 3.053
Synthesis of 2,2-bis(pyridin-2-yl amino)cyclobutanols and their conversion into 5-(pyridin-2-ylamino)dihydrofuran-2(3: H)-ones 3.004
α-Benzoyloxylation of β-keto sulfides at ambient temperature 2.912
Unexpected Stereochemistry in the Lithium Salt Catalyzed Ring Expansion of Nonracemic Oxaspiropentanes. Formal Syntheses of (-)-(4R,5R)-Muricatacin and the Pheromone (R) -Japolinure 2.847
Synthesis of β-sulfinyl cyclobutane carboxylic amides: Via a formal α to β sulphoxide migration process 2.822
Oxaspiropentane derivatives as effective sex pheromone analogues in the gypsy moth: Electrophysiological and behavioral evidence 2.751
Ammonium salt catalyzed oxidation of organosulfides to organosulfoxydes 2.727
Catalytic enantioselective synthesis of α-arylaminocyclobutanones 2.631
Acid-catalyzed synthesis of functionalized arylthio cyclopropane carbaldehydes and ketones 2.595
Preparation of Cyclobutene Acetals and Tricyclic Oxetanes through Photochemical Tandem and Cascade Reactions 2.546
Brønsted Acid Mediated Cascade Reaction to Access 3-(2-Bromoethyl)benzofurans 2.475
null 2.463
Catalytic Tandem Friedel–Crafts Alkylation/C4–C3 Ring-Contraction Reaction: An Efficient Route for the Synthesis of Indolyl Cyclopropanecarbaldehydes and Ketones 2.455
Convenient Formal Synthesis of (+/-)-Cuparene, (+/-)-Enokipodins A and B, and (+/-)-Cuparene-1,4-Quinone 2.361
Very high stereoselectivity in organocatalyzed desymmetrizing aldol reactions of 3-substituted cyclobutanones 2.351
null 2.329
A sex pheromone analogue as a tool for biological control of Lymantria dispar L. populations 2.284
Recent progress in the synthetic assembly of 2-cyclopentenones 2.279
Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process 2.248
One Pot Synthesis of Cyclobutanols by Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents 2.222
Organocatalytic asymmetric tandem condensation-intramolecular rearrangement-protonation: An approach to optically active α-amino thioester derivatives 2.220
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 2.219
Stereocontrolled synthesis and functionalization of cyclobutanes and cyclobutanones 2.146
A new entry to alkylidenecyclopropanes through a Ramberg-Backlund rearrangement of cyclopropylsulfones 2.000
null 1.994
null 1.979
null 1.974
null 1.963
null 1.930
Unexpected formation of optically active 4-substituted 5-hydroxy-γ- lactams by organocatalyzed reaction of 3-substituted cyclobutanones with nitrosobenzene 1.922
The first organocatalysed direct aldol reaction of 2-hydroxycyclobutanone 1.921
Visible light promoted continuous flow photocyclization of 1,2-diketones 1.891
null 1.886
null 1.783
Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes 1.780
A Catalytic One-Pot Synthesis of Indolyl Cyclobutanones 1.751
ENANTIOSELECTIVE ASYMMETRIC TRANSFORMATION OF CYCLOBUTANONE DERIVATIVES 1.737
null 1.724
Enantioselective organocatalytic rearrangement of α-acyloxy- β-keto sulfides to α-acyloxy thioesters 1.693
A Bronsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters 1.683
null 1.610
Z-Selective Synthesis of α-Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis 1.592
null 1.573
Synthesis of α-Aminocyclopropyl Ketones and 2-Substituted Benzoimidazoles from 2-Hydroxycyclobutanones and Aryl Amines 1.496
of New Heterocycles through a Cation- Driven Tandem Ring- Enlargement- Annulation reaction 1.476
null 1.384
Synthesis of Tryptamines through a Novel Bronsted Acid Mediated Tandem Reaction Initiated by α-Iminol Rearrangement of Transient 2-Substituted 2-Hydroxycyclobutylimines 1.352
Solution structure of some λ3 iodanes: An 17O NMR and DFT study 1.187
β-N-Heterocyclic Cyclobutane Carboximides: Synthesis through a Tandem Base-Catalyzed Amidation/aza-Michael Addition Protocol and Facile Transformations 1.105
null 1.007
null 916
A short synthesis of both enantiomers of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid 801
L-proline-catalyzed direct intermolecular asymmetric aldol reactions of 1-phenylthiocycloalkyl carboxaldehydes with ketones. Easy access to spiro- and fused-cyclobutyl tetrahydrofurans and cyclopentanones 786
Discoveries through Organocatalyzed, Brønsted Acid Catalyzed and Non-Catalyzed Transformations of 2-Hydroxycyclobutanone 780
Magnetic Aerogels for Room-Temperature Catalytic Production of Bis(indolyl)methane Derivatives 749
Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes 733
Synthesis of tertiary cyclobutanols through stereoselective ring expansion of oxaspiropentanes induced by Grignard reagents 596
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 594
null 587
Convenient Formal Synthesis of (+)-Grandisol through Promoted Lewis Acid Promoted Enantioselective Pinacolic Rearrangement 531
The Heyns Rearrangement: Synthetic Routes Beyond Carbohydrate Chemistry 472
Insights into the reactivity of 2-hydroxycyclobutanones with thiols corroborated by quantum chemical DFT investigations, NMR and Raman analysis 464
Solvent-Free Synthesis of Quaternary Oxazolidine-2-thione β3-Amino Ester Analogs 423
Tandem Baeyer–Villiger/Wittig/oxa-Michael addition: One-step to 5-substituted γ-lactones 394
A Highly Stereocontrolled Formal Total Synthesis of (±)- and (-)-Grandisol by 1,4-Conjugated Addition of Organocopper Reagents to Cyclobutylidene Derivatives 343
Synthesis of enantiomerically enriched secondary and tertiary phenylthio- and phenoxy-aldols 322
2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols. A short synthesis of (+/-)-alpha-cuparenone and (+/-)-herbertene 310
Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereoisomeric monoterpenoids: (±)- Fragranol and (±)- Grandisol 300
A new synthesis of alkylidenecyclopropanes by the Julia-Lythgoe-type olefination using sulfones and sulfoxides 253
Synthesis of cyclobutane-fused oxazolidine-2-thione derivatives 224
Totale 270.707
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Categoria #
all - tutte 296.074
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 296.074
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/202029.692 0 0 155 611 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
2023/202413.163 701 454 445 793 1.248 2.100 1.885 880 559 987 1.529 1.582
2024/202596.496 39.317 39.889 17.290 0 0 0 0 0 0 0 0 0
Totale 270.707