UNICA IRIS Institutional Research Information System

FRONGIA, ANGELO
 Distribuzione geografica
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Continente #
EU - Europa 297.865
NA - Nord America 7.408
AS - Asia 2.923
Continente sconosciuto - Info sul continente non disponibili 419
SA - Sud America 381
AF - Africa 71
OC - Oceania 4
Totale 309.071
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Nazione #
IT - Italia 294.812
US - Stati Uniti d'America 7.292
SG - Singapore 1.150
NL - Olanda 1.117
CN - Cina 1.100
DE - Germania 563
UA - Ucraina 365
SE - Svezia 336
BR - Brasile 274
VN - Vietnam 191
FI - Finlandia 182
GB - Regno Unito 182
FR - Francia 171
IN - India 100
HK - Hong Kong 86
CA - Canada 76
AR - Argentina 41
BD - Bangladesh 39
JP - Giappone 38
KR - Corea 38
IQ - Iraq 26
BE - Belgio 23
EC - Ecuador 21
PL - Polonia 21
TR - Turchia 21
MX - Messico 20
MA - Marocco 19
PK - Pakistan 17
RU - Federazione Russa 16
PH - Filippine 15
VE - Venezuela 15
LT - Lituania 13
ZA - Sudafrica 13
AT - Austria 12
CO - Colombia 11
IR - Iran 10
JM - Giamaica 10
UZ - Uzbekistan 10
EG - Egitto 8
IL - Israele 8
AZ - Azerbaigian 7
DZ - Algeria 7
IE - Irlanda 7
SA - Arabia Saudita 7
TW - Taiwan 7
CH - Svizzera 6
ES - Italia 6
ID - Indonesia 6
JO - Giordania 6
MY - Malesia 6
TH - Thailandia 6
KE - Kenya 5
OM - Oman 5
TN - Tunisia 5
AL - Albania 4
CL - Cile 4
PE - Perù 4
PY - Paraguay 4
RO - Romania 4
UY - Uruguay 4
AE - Emirati Arabi Uniti 3
AU - Australia 3
BG - Bulgaria 3
CZ - Repubblica Ceca 3
ET - Etiopia 3
HN - Honduras 3
KG - Kirghizistan 3
LV - Lettonia 3
NP - Nepal 3
AO - Angola 2
BH - Bahrain 2
BO - Bolivia 2
CR - Costa Rica 2
DK - Danimarca 2
EE - Estonia 2
GA - Gabon 2
HU - Ungheria 2
IS - Islanda 2
KW - Kuwait 2
KZ - Kazakistan 2
MD - Moldavia 2
SI - Slovenia 2
SY - Repubblica araba siriana 2
AM - Armenia 1
BB - Barbados 1
BN - Brunei Darussalam 1
CI - Costa d'Avorio 1
EU - Europa 1
GE - Georgia 1
KH - Cambogia 1
KI - Kiribati 1
LB - Libano 1
LK - Sri Lanka 1
LY - Libia 1
MT - Malta 1
MU - Mauritius 1
MW - Malawi 1
NI - Nicaragua 1
PA - Panama 1
PS - Palestinian Territory 1
Totale 308.644
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Città #
Cagliari 291.154
Uta 3.291
Amsterdam 1.067
Ashburn 692
Fairfield 675
Singapore 631
Woodbridge 547
Chandler 447
San Jose 385
Dallas 325
Houston 308
Boardman 286
Ann Arbor 283
Seattle 269
Wilmington 261
Nyköping 257
Beijing 248
Cambridge 231
Jacksonville 198
Dearborn 190
Los Angeles 127
Council Bluffs 126
Santa Clara 122
Helsinki 109
Shanghai 108
New York 94
Lauterbourg 78
Nanjing 74
Des Moines 73
Hong Kong 68
Hefei 62
Ho Chi Minh City 61
The Dalles 61
Boston 59
Buffalo 48
Munich 42
Hanoi 41
Chicago 39
Guangzhou 39
Nürnberg 38
São Paulo 36
Seoul 35
Shenyang 33
San Diego 32
London 30
Phoenix 30
Redwood City 30
Tokyo 30
Orem 29
Hebei 28
Frankfurt am Main 27
Pune 27
Sassari 27
Toronto 26
San Mateo 24
Atlanta 23
Brussels 22
Rome 21
Columbus 20
Delft 20
Milan 18
Tianjin 17
Brooklyn 16
Warsaw 16
Jinan 15
Nanchang 15
Nuremberg 15
Paris 15
Redondo Beach 15
Auburn Hills 14
Jiaxing 14
Montreal 14
Mumbai 14
Chennai 13
Denver 13
Orange 13
Arpajon 12
Mountain View 12
Ningbo 12
Wuhan 12
Casablanca 11
Changsha 11
Selargius 11
Stockholm 11
Turku 11
Zhengzhou 11
Baghdad 10
Da Nang 10
Johannesburg 10
Mexico City 10
Norwalk 10
San Francisco 10
Tampa 10
Poplar 9
Tashkent 9
Ardabil 8
Augusta 8
Belo Horizonte 8
Las Vegas 8
Rio de Janeiro 8
Totale 304.243
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Nome #
A facile strategy for new organic white LED hybrid devices: Design, features and engineering 23.018
Synthesis Of Highly Functionalized Nitrogen Heterocycle From 2-Hydroxycyclobutanones And Aromatic Amines 14.383
Back Cover Picture: (Adv. Synth. Catal. 5/2014) 11.769
Stereoselective and regioselective pinacol-type rearrangement of a fused bicyclic oxetanol scaffold 9.749
Convenient Formal Synthesis of (±)-Cuparene, (±)-Enokipodins A, B and (±)-Cuparene-1,4-Quinone 8.848
Brønsted acid Catalysed Synthesis of 3-(2-Alkoxyethyl)indoles from α-Arylaminocyclobutanones and Alcohols 7.422
A pheromone analogue affects the evaporation rate of (+)-disparlure in Lymantria dispar 6.861
Catalytic enantioselective Amadori-Heyns rearrangement of racemic α-hydroxy ketones with arylamines: Synthesis of optically active α-arylamino ketones 6.168
From (phenylsulfanyl)cycloalkanecarbaldehydes to optically active spirocyclic tetrahydrofurans: stereospecific resolution of symmetric aldehydes through (S)-proline-catalysed aldol reaction 5.786
Catalytic enantioselective synthesis of α-(benzylamino)cyclobutanones 5.665
Synthesis of New Heterocycles through a Cation-driven Tandem Ring-enlargement-annulation reaction 5.516
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 5.104
Synthesis of quaternary α-benzyl- and α-allyl-α-methylamino cyclobutanones 4.971
Synthesis and characterization of tunable coumarin- linked glasses as new class of organic/inorganic phosphors 4.472
Organocatalytic asymmetric condensation/keto-enol tautomerization tandem reaction:access to cyclobutanone alfa-amino acid ester derivatives 4.348
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 4.133
Analoghi di sintesi del feromone sessuale come strumento per il controllo della popolazione di Lymantria dispar 4.120
Synthesis of functionalized tryptamines by Brønsted acid catalysed cascade reactions 4.107
Enantioselective organocatalyzed desymmetrization of 3-substituted cyclobutanones through Michael addition to nitroalkenes 4.094
Oxaspiropentane derivatives as effective sex pheromone analogues in the gypsy moth: Electrophysiological and behavioral evidence 3.995
Deracemizing organocatalyzed Michael addition reactions of 2-(arylthio)cyclobutanones with β-nitrostyrenes 3.963
Organocatalyzed tandem process involving asymmetric protonations as a stereo-defining step 3.911
Solvent-free stereoselective organocatalyzed aldol reaction of 2-hydroxycyclobutanone 3.860
Disulfide-based metal-free α-sulfanylation of ketones 3.856
Enantioselective organocatalyzed functionalization of benzothiophene and thiophenecarbaldehyde derivatives 3.838
New aminotetrazole derivatives as hydrogen bonding catalysts. A green and selective oxidation of organosulphides with H2O2 in H2O 3.722
Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: a Route to Functionalized Cyclopropanecarbaldehydes 3.653
Tetrazole Amides as Hydrogen-Bonding Donor Catalysts in the Chemoselective Oxidation of Sulphides and Disulphides 3.610
Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols 3.580
Electrophysiological and behavioural analysis on the use of a (+) disparlure analogue for biological control of Lymantria dispar L 3.454
Organocatalytic synthesis of optically active aryllactic acid derivatives from β -ketosulfoxides 3.387
Stereoselective aza-Michael addition of anilines to 1-nitro cyclohexene by intramolecular protonation 3.288
Synthesis of 2,2-bis(pyridin-2-yl amino)cyclobutanols and their conversion into 5-(pyridin-2-ylamino)dihydrofuran-2(3: H)-ones 3.276
α-Benzoyloxylation of β-keto sulfides at ambient temperature 3.146
Synthesis of β-sulfinyl cyclobutane carboxylic amides: Via a formal α to β sulphoxide migration process 3.134
Unexpected Stereochemistry in the Lithium Salt Catalyzed Ring Expansion of Nonracemic Oxaspiropentanes. Formal Syntheses of (-)-(4R,5R)-Muricatacin and the Pheromone (R) -Japolinure 3.006
Ammonium salt catalyzed oxidation of organosulfides to organosulfoxydes 2.939
Acid-catalyzed synthesis of functionalized arylthio cyclopropane carbaldehydes and ketones 2.852
Catalytic enantioselective synthesis of α-arylaminocyclobutanones 2.844
Preparation of Cyclobutene Acetals and Tricyclic Oxetanes through Photochemical Tandem and Cascade Reactions 2.793
Brønsted Acid Mediated Cascade Reaction to Access 3-(2-Bromoethyl)benzofurans 2.712
Catalytic Tandem Friedel–Crafts Alkylation/C4–C3 Ring-Contraction Reaction: An Efficient Route for the Synthesis of Indolyl Cyclopropanecarbaldehydes and Ketones 2.702
Very high stereoselectivity in organocatalyzed desymmetrizing aldol reactions of 3-substituted cyclobutanones 2.515
Convenient Formal Synthesis of (+/-)-Cuparene, (+/-)-Enokipodins A and B, and (+/-)-Cuparene-1,4-Quinone 2.510
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 2.501
null 2.463
Recent progress in the synthetic assembly of 2-cyclopentenones 2.462
A sex pheromone analogue as a tool for biological control of Lymantria dispar L. populations 2.444
Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process 2.427
One Pot Synthesis of Cyclobutanols by Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents 2.409
Organocatalytic asymmetric tandem condensation-intramolecular rearrangement-protonation: An approach to optically active α-amino thioester derivatives 2.409
null 2.329
Stereocontrolled synthesis and functionalization of cyclobutanes and cyclobutanones 2.326
of New Heterocycles through a Cation- Driven Tandem Ring- Enlargement- Annulation reaction 2.184
A new entry to alkylidenecyclopropanes through a Ramberg-Backlund rearrangement of cyclopropylsulfones 2.166
Visible light promoted continuous flow photocyclization of 1,2-diketones 2.130
The first organocatalysed direct aldol reaction of 2-hydroxycyclobutanone 2.114
Unexpected formation of optically active 4-substituted 5-hydroxy-γ- lactams by organocatalyzed reaction of 3-substituted cyclobutanones with nitrosobenzene 2.084
null 1.994
null 1.979
A Catalytic One-Pot Synthesis of Indolyl Cyclobutanones 1.977
null 1.974
Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes 1.966
null 1.963
null 1.930
A Bronsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters 1.929
Z-Selective Synthesis of α-Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis 1.923
null 1.886
ENANTIOSELECTIVE ASYMMETRIC TRANSFORMATION OF CYCLOBUTANONE DERIVATIVES 1.855
Enantioselective organocatalytic rearrangement of α-acyloxy- β-keto sulfides to α-acyloxy thioesters 1.816
Synthesis of α-Aminocyclopropyl Ketones and 2-Substituted Benzoimidazoles from 2-Hydroxycyclobutanones and Aryl Amines 1.810
null 1.783
null 1.724
null 1.610
Synthesis of Tryptamines through a Novel Bronsted Acid Mediated Tandem Reaction Initiated by α-Iminol Rearrangement of Transient 2-Substituted 2-Hydroxycyclobutylimines 1.586
null 1.573
β-N-Heterocyclic Cyclobutane Carboximides: Synthesis through a Tandem Base-Catalyzed Amidation/aza-Michael Addition Protocol and Facile Transformations 1.391
null 1.384
Solution structure of some λ3 iodanes: An 17O NMR and DFT study 1.357
Discoveries through Organocatalyzed, Brønsted Acid Catalyzed and Non-Catalyzed Transformations of 2-Hydroxycyclobutanone 1.042
Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes 1.026
A short synthesis of both enantiomers of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid 1.008
null 1.007
Magnetic Aerogels for Room-Temperature Catalytic Production of Bis(indolyl)methane Derivatives 988
L-proline-catalyzed direct intermolecular asymmetric aldol reactions of 1-phenylthiocycloalkyl carboxaldehydes with ketones. Easy access to spiro- and fused-cyclobutyl tetrahydrofurans and cyclopentanones 945
null 916
Insights into the reactivity of 2-hydroxycyclobutanones with thiols corroborated by quantum chemical DFT investigations, NMR and Raman analysis 815
Solvent-Free Synthesis of Quaternary Oxazolidine-2-thione β3-Amino Ester Analogs 764
Synthesis of tertiary cyclobutanols through stereoselective ring expansion of oxaspiropentanes induced by Grignard reagents 741
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 739
The Heyns Rearrangement: Synthetic Routes Beyond Carbohydrate Chemistry 711
Convenient Formal Synthesis of (+)-Grandisol through Promoted Lewis Acid Promoted Enantioselective Pinacolic Rearrangement 667
Tandem Baeyer–Villiger/Wittig/oxa-Michael addition: One-step to 5-substituted γ-lactones 642
null 587
Synthesis of cyclobutane-fused oxazolidine-2-thione derivatives 546
Synthesis of enantiomerically enriched secondary and tertiary phenylthio- and phenoxy-aldols 513
A Highly Stereocontrolled Formal Total Synthesis of (±)- and (-)-Grandisol by 1,4-Conjugated Addition of Organocopper Reagents to Cyclobutylidene Derivatives 499
2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols. A short synthesis of (+/-)-alpha-cuparenone and (+/-)-herbertene 492
Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereoisomeric monoterpenoids: (±)- Fragranol and (±)- Grandisol 469
A new synthesis of alkylidenecyclopropanes by the Julia-Lythgoe-type olefination using sulfones and sulfoxides 403
Totale 308.458
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Categoria #
all - tutte 351.416
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 351.416
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20229.134 0 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
2025/20266.409 581 386 634 643 544 399 1.015 359 424 902 395 127
2026/2027466 118 348 0 0 0 0 0 0 0 0 0 0
Totale 309.071