UNICA IRIS Institutional Research Information System

FRONGIA, ANGELO
 Distribuzione geografica
Salva come PNG Salva come JPEG
Continente #
EU - Europa 296.113
NA - Nord America 6.294
AS - Asia 2.179
SA - Sud America 312
AF - Africa 42
OC - Oceania 3
Continente sconosciuto - Info sul continente non disponibili 1
Totale 304.944
Salva come PNG Salva come JPEG
Nazione #
IT - Italia 293.299
US - Stati Uniti d'America 6.219
NL - Olanda 1.086
CN - Cina 986
SG - Singapore 865
DE - Germania 545
UA - Ucraina 361
SE - Svezia 323
BR - Brasile 252
GB - Regno Unito 177
FI - Finlandia 138
VN - Vietnam 76
FR - Francia 72
IN - India 67
CA - Canada 55
KR - Corea 38
HK - Hong Kong 30
AR - Argentina 26
JP - Giappone 26
BE - Belgio 22
PL - Polonia 20
IQ - Iraq 15
MA - Marocco 14
MX - Messico 14
AT - Austria 12
EC - Ecuador 11
LT - Lituania 11
ZA - Sudafrica 11
IR - Iran 10
RU - Federazione Russa 10
TR - Turchia 10
BD - Bangladesh 9
VE - Venezuela 9
IL - Israele 6
PK - Pakistan 6
TW - Taiwan 6
AZ - Azerbaigian 5
CH - Svizzera 5
EG - Egitto 5
IE - Irlanda 5
ES - Italia 4
TN - Tunisia 4
BG - Bulgaria 3
CO - Colombia 3
CZ - Repubblica Ceca 3
HN - Honduras 3
JO - Giordania 3
LV - Lettonia 3
PE - Perù 3
SA - Arabia Saudita 3
UY - Uruguay 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
KZ - Kazakistan 2
NP - Nepal 2
PY - Paraguay 2
RO - Romania 2
AL - Albania 1
AO - Angola 1
BN - Brunei Darussalam 1
BO - Bolivia 1
CI - Costa d'Avorio 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 304.944
Salva come PNG Salva come JPEG
Città #
Cagliari 289.667
Uta 3.291
Amsterdam 1.061
Fairfield 675
Ashburn 608
Woodbridge 546
Chandler 447
Singapore 399
Dallas 322
Houston 303
Ann Arbor 283
Seattle 266
Wilmington 261
Boardman 257
Nyköping 257
Beijing 236
Cambridge 231
Jacksonville 196
Dearborn 190
Los Angeles 106
Santa Clara 102
Shanghai 102
New York 84
Nanjing 74
Helsinki 70
Des Moines 68
Hefei 62
Boston 58
Buffalo 47
Munich 42
Nürnberg 38
Guangzhou 35
Seoul 35
Shenyang 33
San Diego 31
São Paulo 31
Redwood City 30
Hebei 28
London 27
Pune 27
Sassari 27
Ho Chi Minh City 26
The Dalles 25
San Mateo 24
Toronto 24
Chicago 23
Brussels 21
Tokyo 20
Hong Kong 19
Atlanta 18
Rome 18
Brooklyn 16
Milan 16
Tianjin 16
Warsaw 16
Nanchang 15
Redondo Beach 15
Auburn Hills 14
Frankfurt am Main 14
Jiaxing 14
Jinan 14
Nuremberg 14
Paris 14
Hanoi 13
Montreal 13
Mountain View 12
Ningbo 12
Phoenix 12
Changsha 11
Orange 11
Selargius 11
Turku 11
Zhengzhou 11
Denver 10
Mumbai 10
Orem 10
Stockholm 10
Tampa 10
Casablanca 9
Chennai 9
Johannesburg 9
Norwalk 9
Poplar 9
Wuhan 9
Ardabil 8
Augusta 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
Mexico City 6
Totale 301.380
Salva come PNG Salva come JPEG
Nome #
A facile strategy for new organic white LED hybrid devices: Design, features and engineering 22.959
Synthesis Of Highly Functionalized Nitrogen Heterocycle From 2-Hydroxycyclobutanones And Aromatic Amines 14.352
Back Cover Picture: (Adv. Synth. Catal. 5/2014) 11.720
Stereoselective and regioselective pinacol-type rearrangement of a fused bicyclic oxetanol scaffold 9.697
Convenient Formal Synthesis of (±)-Cuparene, (±)-Enokipodins A, B and (±)-Cuparene-1,4-Quinone 8.820
Brønsted acid Catalysed Synthesis of 3-(2-Alkoxyethyl)indoles from α-Arylaminocyclobutanones and Alcohols 7.376
A pheromone analogue affects the evaporation rate of (+)-disparlure in Lymantria dispar 6.824
Catalytic enantioselective Amadori-Heyns rearrangement of racemic α-hydroxy ketones with arylamines: Synthesis of optically active α-arylamino ketones 6.132
From (phenylsulfanyl)cycloalkanecarbaldehydes to optically active spirocyclic tetrahydrofurans: stereospecific resolution of symmetric aldehydes through (S)-proline-catalysed aldol reaction 5.755
Catalytic enantioselective synthesis of α-(benzylamino)cyclobutanones 5.620
Synthesis of New Heterocycles through a Cation-driven Tandem Ring-enlargement-annulation reaction 5.494
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 5.071
Synthesis of quaternary α-benzyl- and α-allyl-α-methylamino cyclobutanones 4.920
Synthesis and characterization of tunable coumarin- linked glasses as new class of organic/inorganic phosphors 4.429
Organocatalytic asymmetric condensation/keto-enol tautomerization tandem reaction:access to cyclobutanone alfa-amino acid ester derivatives 4.301
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 4.095
Analoghi di sintesi del feromone sessuale come strumento per il controllo della popolazione di Lymantria dispar 4.093
Synthesis of functionalized tryptamines by Brønsted acid catalysed cascade reactions 4.077
Enantioselective organocatalyzed desymmetrization of 3-substituted cyclobutanones through Michael addition to nitroalkenes 4.049
Oxaspiropentane derivatives as effective sex pheromone analogues in the gypsy moth: Electrophysiological and behavioral evidence 3.966
Deracemizing organocatalyzed Michael addition reactions of 2-(arylthio)cyclobutanones with β-nitrostyrenes 3.937
Organocatalyzed tandem process involving asymmetric protonations as a stereo-defining step 3.868
Solvent-free stereoselective organocatalyzed aldol reaction of 2-hydroxycyclobutanone 3.827
Disulfide-based metal-free α-sulfanylation of ketones 3.823
Enantioselective organocatalyzed functionalization of benzothiophene and thiophenecarbaldehyde derivatives 3.808
New aminotetrazole derivatives as hydrogen bonding catalysts. A green and selective oxidation of organosulphides with H2O2 in H2O 3.682
Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: a Route to Functionalized Cyclopropanecarbaldehydes 3.583
Tetrazole Amides as Hydrogen-Bonding Donor Catalysts in the Chemoselective Oxidation of Sulphides and Disulphides 3.577
Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols 3.550
Electrophysiological and behavioural analysis on the use of a (+) disparlure analogue for biological control of Lymantria dispar L 3.417
Organocatalytic synthesis of optically active aryllactic acid derivatives from β -ketosulfoxides 3.348
Stereoselective aza-Michael addition of anilines to 1-nitro cyclohexene by intramolecular protonation 3.248
Synthesis of 2,2-bis(pyridin-2-yl amino)cyclobutanols and their conversion into 5-(pyridin-2-ylamino)dihydrofuran-2(3: H)-ones 3.218
α-Benzoyloxylation of β-keto sulfides at ambient temperature 3.098
Synthesis of β-sulfinyl cyclobutane carboxylic amides: Via a formal α to β sulphoxide migration process 3.080
Unexpected Stereochemistry in the Lithium Salt Catalyzed Ring Expansion of Nonracemic Oxaspiropentanes. Formal Syntheses of (-)-(4R,5R)-Muricatacin and the Pheromone (R) -Japolinure 2.982
Ammonium salt catalyzed oxidation of organosulfides to organosulfoxydes 2.915
Acid-catalyzed synthesis of functionalized arylthio cyclopropane carbaldehydes and ketones 2.813
Catalytic enantioselective synthesis of α-arylaminocyclobutanones 2.798
Preparation of Cyclobutene Acetals and Tricyclic Oxetanes through Photochemical Tandem and Cascade Reactions 2.724
Brønsted Acid Mediated Cascade Reaction to Access 3-(2-Bromoethyl)benzofurans 2.666
Catalytic Tandem Friedel–Crafts Alkylation/C4–C3 Ring-Contraction Reaction: An Efficient Route for the Synthesis of Indolyl Cyclopropanecarbaldehydes and Ketones 2.654
Very high stereoselectivity in organocatalyzed desymmetrizing aldol reactions of 3-substituted cyclobutanones 2.482
Convenient Formal Synthesis of (+/-)-Cuparene, (+/-)-Enokipodins A and B, and (+/-)-Cuparene-1,4-Quinone 2.477
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 2.467
null 2.463
Recent progress in the synthetic assembly of 2-cyclopentenones 2.419
A sex pheromone analogue as a tool for biological control of Lymantria dispar L. populations 2.417
Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process 2.394
One Pot Synthesis of Cyclobutanols by Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents 2.375
Organocatalytic asymmetric tandem condensation-intramolecular rearrangement-protonation: An approach to optically active α-amino thioester derivatives 2.375
null 2.329
Stereocontrolled synthesis and functionalization of cyclobutanes and cyclobutanones 2.293
of New Heterocycles through a Cation- Driven Tandem Ring- Enlargement- Annulation reaction 2.159
A new entry to alkylidenecyclopropanes through a Ramberg-Backlund rearrangement of cyclopropylsulfones 2.133
The first organocatalysed direct aldol reaction of 2-hydroxycyclobutanone 2.073
Visible light promoted continuous flow photocyclization of 1,2-diketones 2.069
Unexpected formation of optically active 4-substituted 5-hydroxy-γ- lactams by organocatalyzed reaction of 3-substituted cyclobutanones with nitrosobenzene 2.041
null 1.994
null 1.979
null 1.974
null 1.963
A Catalytic One-Pot Synthesis of Indolyl Cyclobutanones 1.939
Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes 1.934
null 1.930
null 1.886
A Bronsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters 1.869
Z-Selective Synthesis of α-Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis 1.854
ENANTIOSELECTIVE ASYMMETRIC TRANSFORMATION OF CYCLOBUTANONE DERIVATIVES 1.826
Enantioselective organocatalytic rearrangement of α-acyloxy- β-keto sulfides to α-acyloxy thioesters 1.789
null 1.783
Synthesis of α-Aminocyclopropyl Ketones and 2-Substituted Benzoimidazoles from 2-Hydroxycyclobutanones and Aryl Amines 1.744
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 1.543
null 1.384
β-N-Heterocyclic Cyclobutane Carboximides: Synthesis through a Tandem Base-Catalyzed Amidation/aza-Michael Addition Protocol and Facile Transformations 1.325
Solution structure of some λ3 iodanes: An 17O NMR and DFT study 1.317
null 1.007
Discoveries through Organocatalyzed, Brønsted Acid Catalyzed and Non-Catalyzed Transformations of 2-Hydroxycyclobutanone 1.005
Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes 983
A short synthesis of both enantiomers of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid 970
Magnetic Aerogels for Room-Temperature Catalytic Production of Bis(indolyl)methane Derivatives 936
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 913
Insights into the reactivity of 2-hydroxycyclobutanones with thiols corroborated by quantum chemical DFT investigations, NMR and Raman analysis 747
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 715
Synthesis of tertiary cyclobutanols through stereoselective ring expansion of oxaspiropentanes induced by Grignard reagents 703
Solvent-Free Synthesis of Quaternary Oxazolidine-2-thione β3-Amino Ester Analogs 684
The Heyns Rearrangement: Synthetic Routes Beyond Carbohydrate Chemistry 664
Convenient Formal Synthesis of (+)-Grandisol through Promoted Lewis Acid Promoted Enantioselective Pinacolic Rearrangement 654
null 587
Tandem Baeyer–Villiger/Wittig/oxa-Michael addition: One-step to 5-substituted γ-lactones 574
Synthesis of cyclobutane-fused oxazolidine-2-thione derivatives 487
Synthesis of enantiomerically enriched secondary and tertiary phenylthio- and phenoxy-aldols 485
A Highly Stereocontrolled Formal Total Synthesis of (±)- and (-)-Grandisol by 1,4-Conjugated Addition of Organocopper Reagents to Cyclobutylidene Derivatives 458
2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols. A short synthesis of (+/-)-alpha-cuparenone and (+/-)-herbertene 452
Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereoisomeric monoterpenoids: (±)- Fragranol and (±)- Grandisol 443
A new synthesis of alkylidenecyclopropanes by the Julia-Lythgoe-type olefination using sulfones and sulfoxides 368
Totale 305.023
Salva come PNG Salva come JPEG
Categoria #
all - tutte 342.350
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 342.350
Salva come PNG Salva come JPEG


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
2025/20263.166 581 386 634 643 544 378 0 0 0 0 0 0
Totale 305.362