UNICA IRIS Institutional Research Information System

FRONGIA, ANGELO
 Distribuzione geografica
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Continente #
EU - Europa 295.986
NA - Nord America 6.273
AS - Asia 2.000
SA - Sud America 297
AF - Africa 40
OC - Oceania 3
Continente sconosciuto - Info sul continente non disponibili 1
Totale 304.600
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Nazione #
IT - Italia 293.178
US - Stati Uniti d'America 6.199
NL - Olanda 1.086
CN - Cina 975
SG - Singapore 724
DE - Germania 544
UA - Ucraina 360
SE - Svezia 322
BR - Brasile 243
GB - Regno Unito 176
FI - Finlandia 138
FR - Francia 71
IN - India 67
VN - Vietnam 56
CA - Canada 55
KR - Corea 38
HK - Hong Kong 29
JP - Giappone 26
AR - Argentina 25
BE - Belgio 22
PL - Polonia 19
IQ - Iraq 13
MA - Marocco 13
MX - Messico 13
AT - Austria 12
EC - Ecuador 11
LT - Lituania 11
ZA - Sudafrica 11
IR - Iran 10
RU - Federazione Russa 10
TR - Turchia 10
BD - Bangladesh 7
IL - Israele 6
TW - Taiwan 6
VE - Venezuela 6
AZ - Azerbaigian 5
CH - Svizzera 5
EG - Egitto 5
IE - Irlanda 5
PK - Pakistan 5
ES - Italia 4
TN - Tunisia 4
BG - Bulgaria 3
CO - Colombia 3
CZ - Repubblica Ceca 3
HN - Honduras 3
LV - Lettonia 3
SA - Arabia Saudita 3
UZ - Uzbekistan 3
AE - Emirati Arabi Uniti 2
AU - Australia 2
BH - Bahrain 2
CL - Cile 2
DK - Danimarca 2
DZ - Algeria 2
EE - Estonia 2
HU - Ungheria 2
ID - Indonesia 2
IS - Islanda 2
JO - Giordania 2
KZ - Kazakistan 2
NP - Nepal 2
PE - Perù 2
PY - Paraguay 2
RO - Romania 2
UY - Uruguay 2
AL - Albania 1
AO - Angola 1
BN - Brunei Darussalam 1
BO - Bolivia 1
CR - Costa Rica 1
EU - Europa 1
GA - Gabon 1
GE - Georgia 1
JM - Giamaica 1
KE - Kenya 1
KI - Kiribati 1
KW - Kuwait 1
LY - Libia 1
MD - Moldavia 1
MY - Malesia 1
OM - Oman 1
PT - Portogallo 1
SK - Slovacchia (Repubblica Slovacca) 1
SN - Senegal 1
TT - Trinidad e Tobago 1
Totale 304.600
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Città #
Cagliari 289.546
Uta 3.291
Amsterdam 1.061
Fairfield 675
Ashburn 602
Woodbridge 546
Chandler 447
Singapore 346
Dallas 322
Houston 303
Ann Arbor 283
Seattle 265
Wilmington 261
Boardman 257
Nyköping 257
Beijing 236
Cambridge 231
Jacksonville 196
Dearborn 190
Los Angeles 105
Santa Clara 102
Shanghai 102
New York 82
Nanjing 74
Helsinki 70
Des Moines 68
Hefei 62
Boston 58
Buffalo 47
Munich 42
Nürnberg 38
Seoul 35
Guangzhou 33
Shenyang 33
San Diego 31
Redwood City 30
São Paulo 29
Hebei 28
London 27
Pune 27
Sassari 27
San Mateo 24
The Dalles 24
Toronto 24
Chicago 23
Brussels 21
Tokyo 20
Atlanta 18
Ho Chi Minh City 18
Hong Kong 18
Rome 18
Brooklyn 16
Milan 16
Tianjin 16
Nanchang 15
Redondo Beach 15
Warsaw 15
Auburn Hills 14
Jiaxing 14
Jinan 14
Nuremberg 14
Frankfurt am Main 13
Montreal 13
Paris 13
Mountain View 12
Ningbo 12
Changsha 11
Orange 11
Phoenix 11
Selargius 11
Turku 11
Zhengzhou 11
Hanoi 10
Mumbai 10
Tampa 10
Casablanca 9
Chennai 9
Denver 9
Johannesburg 9
Norwalk 9
Orem 9
Stockholm 9
Wuhan 9
Ardabil 8
Augusta 8
Poplar 8
San Francisco 8
Ankara 7
Belo Horizonte 7
Columbus 7
Council Bluffs 7
Monmouth Junction 7
Rio de Janeiro 7
Verona 7
Vienna 7
Assèmini 6
Curitiba 6
Dong Ket 6
Leawood 6
Washington 6
Totale 301.171
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Nome #
A facile strategy for new organic white LED hybrid devices: Design, features and engineering 22.954
Synthesis Of Highly Functionalized Nitrogen Heterocycle From 2-Hydroxycyclobutanones And Aromatic Amines 14.346
Back Cover Picture: (Adv. Synth. Catal. 5/2014) 11.710
Stereoselective and regioselective pinacol-type rearrangement of a fused bicyclic oxetanol scaffold 9.691
Convenient Formal Synthesis of (±)-Cuparene, (±)-Enokipodins A, B and (±)-Cuparene-1,4-Quinone 8.816
Brønsted acid Catalysed Synthesis of 3-(2-Alkoxyethyl)indoles from α-Arylaminocyclobutanones and Alcohols 7.373
A pheromone analogue affects the evaporation rate of (+)-disparlure in Lymantria dispar 6.819
Catalytic enantioselective Amadori-Heyns rearrangement of racemic α-hydroxy ketones with arylamines: Synthesis of optically active α-arylamino ketones 6.126
From (phenylsulfanyl)cycloalkanecarbaldehydes to optically active spirocyclic tetrahydrofurans: stereospecific resolution of symmetric aldehydes through (S)-proline-catalysed aldol reaction 5.754
Catalytic enantioselective synthesis of α-(benzylamino)cyclobutanones 5.616
Synthesis of New Heterocycles through a Cation-driven Tandem Ring-enlargement-annulation reaction 5.489
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 5.066
Synthesis of quaternary α-benzyl- and α-allyl-α-methylamino cyclobutanones 4.916
Synthesis and characterization of tunable coumarin- linked glasses as new class of organic/inorganic phosphors 4.427
Organocatalytic asymmetric condensation/keto-enol tautomerization tandem reaction:access to cyclobutanone alfa-amino acid ester derivatives 4.295
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 4.090
Analoghi di sintesi del feromone sessuale come strumento per il controllo della popolazione di Lymantria dispar 4.089
Synthesis of functionalized tryptamines by Brønsted acid catalysed cascade reactions 4.075
Enantioselective organocatalyzed desymmetrization of 3-substituted cyclobutanones through Michael addition to nitroalkenes 4.046
Oxaspiropentane derivatives as effective sex pheromone analogues in the gypsy moth: Electrophysiological and behavioral evidence 3.965
Deracemizing organocatalyzed Michael addition reactions of 2-(arylthio)cyclobutanones with β-nitrostyrenes 3.935
Organocatalyzed tandem process involving asymmetric protonations as a stereo-defining step 3.864
Solvent-free stereoselective organocatalyzed aldol reaction of 2-hydroxycyclobutanone 3.826
Disulfide-based metal-free α-sulfanylation of ketones 3.822
Enantioselective organocatalyzed functionalization of benzothiophene and thiophenecarbaldehyde derivatives 3.806
New aminotetrazole derivatives as hydrogen bonding catalysts. A green and selective oxidation of organosulphides with H2O2 in H2O 3.677
Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: a Route to Functionalized Cyclopropanecarbaldehydes 3.576
Tetrazole Amides as Hydrogen-Bonding Donor Catalysts in the Chemoselective Oxidation of Sulphides and Disulphides 3.573
Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols 3.547
Electrophysiological and behavioural analysis on the use of a (+) disparlure analogue for biological control of Lymantria dispar L 3.415
Organocatalytic synthesis of optically active aryllactic acid derivatives from β -ketosulfoxides 3.344
Stereoselective aza-Michael addition of anilines to 1-nitro cyclohexene by intramolecular protonation 3.246
Synthesis of 2,2-bis(pyridin-2-yl amino)cyclobutanols and their conversion into 5-(pyridin-2-ylamino)dihydrofuran-2(3: H)-ones 3.213
α-Benzoyloxylation of β-keto sulfides at ambient temperature 3.096
Synthesis of β-sulfinyl cyclobutane carboxylic amides: Via a formal α to β sulphoxide migration process 3.077
Unexpected Stereochemistry in the Lithium Salt Catalyzed Ring Expansion of Nonracemic Oxaspiropentanes. Formal Syntheses of (-)-(4R,5R)-Muricatacin and the Pheromone (R) -Japolinure 2.977
Ammonium salt catalyzed oxidation of organosulfides to organosulfoxydes 2.914
Acid-catalyzed synthesis of functionalized arylthio cyclopropane carbaldehydes and ketones 2.811
Catalytic enantioselective synthesis of α-arylaminocyclobutanones 2.795
Preparation of Cyclobutene Acetals and Tricyclic Oxetanes through Photochemical Tandem and Cascade Reactions 2.723
Brønsted Acid Mediated Cascade Reaction to Access 3-(2-Bromoethyl)benzofurans 2.665
Catalytic Tandem Friedel–Crafts Alkylation/C4–C3 Ring-Contraction Reaction: An Efficient Route for the Synthesis of Indolyl Cyclopropanecarbaldehydes and Ketones 2.652
Convenient Formal Synthesis of (+/-)-Cuparene, (+/-)-Enokipodins A and B, and (+/-)-Cuparene-1,4-Quinone 2.475
Very high stereoselectivity in organocatalyzed desymmetrizing aldol reactions of 3-substituted cyclobutanones 2.474
null 2.463
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 2.463
Recent progress in the synthetic assembly of 2-cyclopentenones 2.416
A sex pheromone analogue as a tool for biological control of Lymantria dispar L. populations 2.414
Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process 2.389
One Pot Synthesis of Cyclobutanols by Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents 2.372
Organocatalytic asymmetric tandem condensation-intramolecular rearrangement-protonation: An approach to optically active α-amino thioester derivatives 2.369
null 2.329
Stereocontrolled synthesis and functionalization of cyclobutanes and cyclobutanones 2.291
of New Heterocycles through a Cation- Driven Tandem Ring- Enlargement- Annulation reaction 2.154
A new entry to alkylidenecyclopropanes through a Ramberg-Backlund rearrangement of cyclopropylsulfones 2.131
The first organocatalysed direct aldol reaction of 2-hydroxycyclobutanone 2.068
Visible light promoted continuous flow photocyclization of 1,2-diketones 2.065
Unexpected formation of optically active 4-substituted 5-hydroxy-γ- lactams by organocatalyzed reaction of 3-substituted cyclobutanones with nitrosobenzene 2.039
null 1.994
null 1.979
null 1.974
null 1.963
A Catalytic One-Pot Synthesis of Indolyl Cyclobutanones 1.937
null 1.930
Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes 1.930
null 1.886
A Bronsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters 1.864
Z-Selective Synthesis of α-Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis 1.850
ENANTIOSELECTIVE ASYMMETRIC TRANSFORMATION OF CYCLOBUTANONE DERIVATIVES 1.821
Enantioselective organocatalytic rearrangement of α-acyloxy- β-keto sulfides to α-acyloxy thioesters 1.784
null 1.783
Synthesis of α-Aminocyclopropyl Ketones and 2-Substituted Benzoimidazoles from 2-Hydroxycyclobutanones and Aryl Amines 1.740
null 1.724
null 1.610
null 1.573
Synthesis of Tryptamines through a Novel Bronsted Acid Mediated Tandem Reaction Initiated by α-Iminol Rearrangement of Transient 2-Substituted 2-Hydroxycyclobutylimines 1.540
null 1.384
β-N-Heterocyclic Cyclobutane Carboximides: Synthesis through a Tandem Base-Catalyzed Amidation/aza-Michael Addition Protocol and Facile Transformations 1.321
Solution structure of some λ3 iodanes: An 17O NMR and DFT study 1.316
null 1.007
Discoveries through Organocatalyzed, Brønsted Acid Catalyzed and Non-Catalyzed Transformations of 2-Hydroxycyclobutanone 1.003
Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes 979
A short synthesis of both enantiomers of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid 965
Magnetic Aerogels for Room-Temperature Catalytic Production of Bis(indolyl)methane Derivatives 929
null 916
L-proline-catalyzed direct intermolecular asymmetric aldol reactions of 1-phenylthiocycloalkyl carboxaldehydes with ketones. Easy access to spiro- and fused-cyclobutyl tetrahydrofurans and cyclopentanones 910
Insights into the reactivity of 2-hydroxycyclobutanones with thiols corroborated by quantum chemical DFT investigations, NMR and Raman analysis 743
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 711
Synthesis of tertiary cyclobutanols through stereoselective ring expansion of oxaspiropentanes induced by Grignard reagents 700
Solvent-Free Synthesis of Quaternary Oxazolidine-2-thione β3-Amino Ester Analogs 680
The Heyns Rearrangement: Synthetic Routes Beyond Carbohydrate Chemistry 659
Convenient Formal Synthesis of (+)-Grandisol through Promoted Lewis Acid Promoted Enantioselective Pinacolic Rearrangement 652
null 587
Tandem Baeyer–Villiger/Wittig/oxa-Michael addition: One-step to 5-substituted γ-lactones 572
Synthesis of cyclobutane-fused oxazolidine-2-thione derivatives 483
Synthesis of enantiomerically enriched secondary and tertiary phenylthio- and phenoxy-aldols 477
A Highly Stereocontrolled Formal Total Synthesis of (±)- and (-)-Grandisol by 1,4-Conjugated Addition of Organocopper Reagents to Cyclobutylidene Derivatives 452
2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols. A short synthesis of (+/-)-alpha-cuparenone and (+/-)-herbertene 445
Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereoisomeric monoterpenoids: (±)- Fragranol and (±)- Grandisol 440
A new synthesis of alkylidenecyclopropanes by the Julia-Lythgoe-type olefination using sulfones and sulfoxides 361
Totale 304.703
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Categoria #
all - tutte 341.536
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 341.536
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/202117.831 0 0 0 0 0 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
2024/2025127.985 39.317 39.889 19.079 21.586 1.715 1.888 2.456 112 219 1.210 217 297
2025/20262.822 581 386 634 643 544 34 0 0 0 0 0 0
Totale 305.018