FRONGIA, ANGELO
 Distribuzione geografica
Continente #
EU - Europa 289.043
NA - Nord America 4.982
AS - Asia 754
AF - Africa 1
Continente sconosciuto - Info sul continente non disponibili 1
OC - Oceania 1
SA - Sud America 1
Totale 294.783
Nazione #
IT - Italia 287.544
US - Stati Uniti d'America 4.956
CN - Cina 560
DE - Germania 474
UA - Ucraina 359
SE - Svezia 303
GB - Regno Unito 140
FI - Finlandia 118
SG - Singapore 111
FR - Francia 44
IN - India 42
CA - Canada 25
BE - Belgio 21
NL - Olanda 20
IR - Iran 9
HK - Hong Kong 8
KR - Corea 8
JP - Giappone 6
VN - Vietnam 6
AT - Austria 3
IE - Irlanda 3
IL - Israele 3
LT - Lituania 3
PL - Polonia 3
CH - Svizzera 2
CZ - Repubblica Ceca 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
RO - Romania 1
Totale 294.783
Città #
Cagliari 283.964
Uta 3.273
Fairfield 675
Woodbridge 546
Chandler 447
Ashburn 334
Houston 294
Ann Arbor 283
Seattle 263
Wilmington 261
Boardman 257
Nyköping 257
Cambridge 231
Jacksonville 196
Dearborn 190
Shanghai 100
Santa Clara 91
Nanjing 74
Beijing 67
Helsinki 62
New York 54
Boston 53
Singapore 49
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
Selargius 9
Wuhan 9
Ardabil 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
Munich 4
Udine 4
Wuxi 4
Acton 3
Amsterdam 3
Calvisano 3
Costa Mesa 3
Dublin 3
Hyderabad 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
Marseille 2
Mcallen 2
Narcao 2
Norfolk 2
Totale 292.739
Nome #
A facile strategy for new organic white LED hybrid devices: Design, features and engineering 22.844
Synthesis Of Highly Functionalized Nitrogen Heterocycle From 2-Hydroxycyclobutanones And Aromatic Amines 14.255
Back Cover Picture: (Adv. Synth. Catal. 5/2014) 11.595
Stereoselective and regioselective pinacol-type rearrangement of a fused bicyclic oxetanol scaffold 9.595
Convenient Formal Synthesis of (±)-Cuparene, (±)-Enokipodins A, B and (±)-Cuparene-1,4-Quinone 8.758
Brønsted acid Catalysed Synthesis of 3-(2-Alkoxyethyl)indoles from α-Arylaminocyclobutanones and Alcohols 7.234
A pheromone analogue affects the evaporation rate of (+)-disparlure in Lymantria dispar 6.702
Catalytic enantioselective Amadori-Heyns rearrangement of racemic α-hydroxy ketones with arylamines: Synthesis of optically active α-arylamino ketones 6.061
From (phenylsulfanyl)cycloalkanecarbaldehydes to optically active spirocyclic tetrahydrofurans: stereospecific resolution of symmetric aldehydes through (S)-proline-catalysed aldol reaction 5.693
Catalytic enantioselective synthesis of α-(benzylamino)cyclobutanones 5.501
Synthesis of New Heterocycles through a Cation-driven Tandem Ring-enlargement-annulation reaction 5.431
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 4.987
Synthesis of quaternary α-benzyl- and α-allyl-α-methylamino cyclobutanones 4.826
Synthesis and characterization of tunable coumarin- linked glasses as new class of organic/inorganic phosphors 4.343
Organocatalytic asymmetric condensation/keto-enol tautomerization tandem reaction:access to cyclobutanone alfa-amino acid ester derivatives 4.200
Analoghi di sintesi del feromone sessuale come strumento per il controllo della popolazione di Lymantria dispar 4.010
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 4.003
Synthesis of functionalized tryptamines by Brønsted acid catalysed cascade reactions 4.000
Enantioselective organocatalyzed desymmetrization of 3-substituted cyclobutanones through Michael addition to nitroalkenes 3.952
Deracemizing organocatalyzed Michael addition reactions of 2-(arylthio)cyclobutanones with β-nitrostyrenes 3.845
Organocatalyzed tandem process involving asymmetric protonations as a stereo-defining step 3.787
Solvent-free stereoselective organocatalyzed aldol reaction of 2-hydroxycyclobutanone 3.760
Disulfide-based metal-free α-sulfanylation of ketones 3.731
Enantioselective organocatalyzed functionalization of benzothiophene and thiophenecarbaldehyde derivatives 3.707
New aminotetrazole derivatives as hydrogen bonding catalysts. A green and selective oxidation of organosulphides with H2O2 in H2O 3.582
Tetrazole Amides as Hydrogen-Bonding Donor Catalysts in the Chemoselective Oxidation of Sulphides and Disulphides 3.474
Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols 3.436
Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: a Route to Functionalized Cyclopropanecarbaldehydes 3.428
Electrophysiological and behavioural analysis on the use of a (+) disparlure analogue for biological control of Lymantria dispar L 3.324
Organocatalytic synthesis of optically active aryllactic acid derivatives from β -ketosulfoxides 3.265
Stereoselective aza-Michael addition of anilines to 1-nitro cyclohexene by intramolecular protonation 3.156
Synthesis of 2,2-bis(pyridin-2-yl amino)cyclobutanols and their conversion into 5-(pyridin-2-ylamino)dihydrofuran-2(3: H)-ones 3.109
α-Benzoyloxylation of β-keto sulfides at ambient temperature 2.994
Synthesis of β-sulfinyl cyclobutane carboxylic amides: Via a formal α to β sulphoxide migration process 2.924
Unexpected Stereochemistry in the Lithium Salt Catalyzed Ring Expansion of Nonracemic Oxaspiropentanes. Formal Syntheses of (-)-(4R,5R)-Muricatacin and the Pheromone (R) -Japolinure 2.897
Oxaspiropentane derivatives as effective sex pheromone analogues in the gypsy moth: Electrophysiological and behavioral evidence 2.828
Ammonium salt catalyzed oxidation of organosulfides to organosulfoxydes 2.811
Catalytic enantioselective synthesis of α-arylaminocyclobutanones 2.713
Acid-catalyzed synthesis of functionalized arylthio cyclopropane carbaldehydes and ketones 2.688
Preparation of Cyclobutene Acetals and Tricyclic Oxetanes through Photochemical Tandem and Cascade Reactions 2.629
Brønsted Acid Mediated Cascade Reaction to Access 3-(2-Bromoethyl)benzofurans 2.554
Catalytic Tandem Friedel–Crafts Alkylation/C4–C3 Ring-Contraction Reaction: An Efficient Route for the Synthesis of Indolyl Cyclopropanecarbaldehydes and Ketones 2.545
null 2.463
Convenient Formal Synthesis of (+/-)-Cuparene, (+/-)-Enokipodins A and B, and (+/-)-Cuparene-1,4-Quinone 2.417
Very high stereoselectivity in organocatalyzed desymmetrizing aldol reactions of 3-substituted cyclobutanones 2.398
Recent progress in the synthetic assembly of 2-cyclopentenones 2.341
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 2.333
A sex pheromone analogue as a tool for biological control of Lymantria dispar L. populations 2.332
null 2.329
Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process 2.312
One Pot Synthesis of Cyclobutanols by Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents 2.287
Organocatalytic asymmetric tandem condensation-intramolecular rearrangement-protonation: An approach to optically active α-amino thioester derivatives 2.278
Stereocontrolled synthesis and functionalization of cyclobutanes and cyclobutanones 2.211
A new entry to alkylidenecyclopropanes through a Ramberg-Backlund rearrangement of cyclopropylsulfones 2.054
null 1.994
The first organocatalysed direct aldol reaction of 2-hydroxycyclobutanone 1.987
null 1.979
null 1.974
Unexpected formation of optically active 4-substituted 5-hydroxy-γ- lactams by organocatalyzed reaction of 3-substituted cyclobutanones with nitrosobenzene 1.971
Visible light promoted continuous flow photocyclization of 1,2-diketones 1.968
null 1.963
null 1.930
null 1.886
Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes 1.855
A Catalytic One-Pot Synthesis of Indolyl Cyclobutanones 1.832
null 1.783
ENANTIOSELECTIVE ASYMMETRIC TRANSFORMATION OF CYCLOBUTANONE DERIVATIVES 1.772
A Bronsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters 1.755
null 1.724
Enantioselective organocatalytic rearrangement of α-acyloxy- β-keto sulfides to α-acyloxy thioesters 1.722
Z-Selective Synthesis of α-Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis 1.703
null 1.610
Synthesis of α-Aminocyclopropyl Ketones and 2-Substituted Benzoimidazoles from 2-Hydroxycyclobutanones and Aryl Amines 1.594
null 1.573
of New Heterocycles through a Cation- Driven Tandem Ring- Enlargement- Annulation reaction 1.556
Synthesis of Tryptamines through a Novel Bronsted Acid Mediated Tandem Reaction Initiated by α-Iminol Rearrangement of Transient 2-Substituted 2-Hydroxycyclobutylimines 1.439
null 1.384
Solution structure of some λ3 iodanes: An 17O NMR and DFT study 1.242
β-N-Heterocyclic Cyclobutane Carboximides: Synthesis through a Tandem Base-Catalyzed Amidation/aza-Michael Addition Protocol and Facile Transformations 1.179
null 1.007
null 916
Discoveries through Organocatalyzed, Brønsted Acid Catalyzed and Non-Catalyzed Transformations of 2-Hydroxycyclobutanone 889
A short synthesis of both enantiomers of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid 867
Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes 843
L-proline-catalyzed direct intermolecular asymmetric aldol reactions of 1-phenylthiocycloalkyl carboxaldehydes with ketones. Easy access to spiro- and fused-cyclobutyl tetrahydrofurans and cyclopentanones 835
Magnetic Aerogels for Room-Temperature Catalytic Production of Bis(indolyl)methane Derivatives 813
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 634
Synthesis of tertiary cyclobutanols through stereoselective ring expansion of oxaspiropentanes induced by Grignard reagents 626
Insights into the reactivity of 2-hydroxycyclobutanones with thiols corroborated by quantum chemical DFT investigations, NMR and Raman analysis 598
null 587
Convenient Formal Synthesis of (+)-Grandisol through Promoted Lewis Acid Promoted Enantioselective Pinacolic Rearrangement 586
The Heyns Rearrangement: Synthetic Routes Beyond Carbohydrate Chemistry 550
Solvent-Free Synthesis of Quaternary Oxazolidine-2-thione β3-Amino Ester Analogs 522
Tandem Baeyer–Villiger/Wittig/oxa-Michael addition: One-step to 5-substituted γ-lactones 470
Synthesis of enantiomerically enriched secondary and tertiary phenylthio- and phenoxy-aldols 385
A Highly Stereocontrolled Formal Total Synthesis of (±)- and (-)-Grandisol by 1,4-Conjugated Addition of Organocopper Reagents to Cyclobutylidene Derivatives 382
2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols. A short synthesis of (+/-)-alpha-cuparenone and (+/-)-herbertene 365
Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereoisomeric monoterpenoids: (±)- Fragranol and (±)- Grandisol 350
Synthesis of cyclobutane-fused oxazolidine-2-thione derivatives 334
A new synthesis of alkylidenecyclopropanes by the Julia-Lythgoe-type olefination using sulfones and sulfoxides 289
Totale 295.155
Categoria #
all - tutte 322.478
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 322.478


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/202028.926 0 0 0 0 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
2024/2025120.961 39.317 39.889 19.079 21.586 1.090 0 0 0 0 0 0 0
Totale 295.172