UNICA IRIS Institutional Research Information System

FRONGIA, ANGELO
 Distribuzione geografica
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Continente #
EU - Europa 297.288
NA - Nord America 6.861
AS - Asia 2.873
SA - Sud America 379
AF - Africa 71
OC - Oceania 4
Continente sconosciuto - Info sul continente non disponibili 1
Totale 307.477
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Nazione #
IT - Italia 294.243
US - Stati Uniti d'America 6.772
SG - Singapore 1.135
NL - Olanda 1.117
CN - Cina 1.088
DE - Germania 562
UA - Ucraina 365
SE - Svezia 335
BR - Brasile 272
VN - Vietnam 190
FI - Finlandia 182
GB - Regno Unito 182
FR - Francia 171
IN - India 97
HK - Hong Kong 77
CA - Canada 60
AR - Argentina 41
KR - Corea 38
JP - Giappone 37
BD - Bangladesh 30
IQ - Iraq 26
BE - Belgio 23
EC - Ecuador 21
PL - Polonia 21
TR - Turchia 21
MA - Marocco 19
MX - Messico 18
PK - Pakistan 17
RU - Federazione Russa 16
PH - Filippine 15
VE - Venezuela 15
ZA - Sudafrica 13
AT - Austria 12
LT - Lituania 12
CO - Colombia 11
IR - Iran 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
ID - Indonesia 6
JO - Giordania 6
MY - Malesia 6
TH - Thailandia 6
CH - Svizzera 5
KE - Kenya 5
OM - Oman 5
TN - Tunisia 5
CL - Cile 4
ES - Italia 4
PE - Perù 4
PY - Paraguay 4
UY - Uruguay 4
AE - Emirati Arabi Uniti 3
AL - Albania 3
AU - Australia 3
BG - Bulgaria 3
CZ - Repubblica Ceca 3
ET - Etiopia 3
HN - Honduras 3
JM - Giamaica 3
KG - Kirghizistan 3
LV - Lettonia 3
NP - Nepal 3
RO - Romania 3
AO - Angola 2
BH - Bahrain 2
BO - Bolivia 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
BN - Brunei Darussalam 1
CI - Costa d'Avorio 1
CR - Costa Rica 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
PT - Portogallo 1
Totale 307.469
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Città #
Cagliari 290.606
Uta 3.291
Amsterdam 1.067
Ashburn 675
Fairfield 675
Singapore 619
Woodbridge 546
Chandler 447
Dallas 323
Houston 304
Ann Arbor 283
San Jose 277
Seattle 267
Wilmington 261
Boardman 257
Nyköping 257
Beijing 241
Cambridge 231
Jacksonville 196
Dearborn 190
Los Angeles 124
Helsinki 109
Shanghai 108
Santa Clara 106
New York 86
Lauterbourg 78
Nanjing 74
Des Moines 70
Hefei 62
Hong Kong 61
Ho Chi Minh City 60
Boston 59
The Dalles 55
Buffalo 48
Council Bluffs 42
Munich 42
Hanoi 41
Guangzhou 39
Nürnberg 38
São Paulo 36
Seoul 35
Shenyang 33
Chicago 31
San Diego 31
Redwood City 30
Tokyo 30
Hebei 28
London 28
Frankfurt am Main 27
Orem 27
Pune 27
Sassari 27
San Mateo 24
Toronto 24
Brussels 22
Atlanta 20
Delft 20
Phoenix 19
Rome 19
Tianjin 17
Brooklyn 16
Milan 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
Arpajon 12
Mountain View 12
Ningbo 12
Wuhan 12
Casablanca 11
Changsha 11
Denver 11
Orange 11
Selargius 11
Stockholm 11
Turku 11
Zhengzhou 11
Baghdad 10
Da Nang 10
Johannesburg 10
Norwalk 10
Tampa 10
Poplar 9
San Francisco 9
Tashkent 9
Ardabil 8
Augusta 8
Belo Horizonte 8
Mexico City 8
Rio de Janeiro 8
Ankara 7
Biên Hòa 7
Totale 303.329
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Nome #
A facile strategy for new organic white LED hybrid devices: Design, features and engineering 23.003
Synthesis Of Highly Functionalized Nitrogen Heterocycle From 2-Hydroxycyclobutanones And Aromatic Amines 14.372
Back Cover Picture: (Adv. Synth. Catal. 5/2014) 11.756
Stereoselective and regioselective pinacol-type rearrangement of a fused bicyclic oxetanol scaffold 9.732
Convenient Formal Synthesis of (±)-Cuparene, (±)-Enokipodins A, B and (±)-Cuparene-1,4-Quinone 8.838
Brønsted acid Catalysed Synthesis of 3-(2-Alkoxyethyl)indoles from α-Arylaminocyclobutanones and Alcohols 7.410
A pheromone analogue affects the evaporation rate of (+)-disparlure in Lymantria dispar 6.852
Catalytic enantioselective Amadori-Heyns rearrangement of racemic α-hydroxy ketones with arylamines: Synthesis of optically active α-arylamino ketones 6.157
From (phenylsulfanyl)cycloalkanecarbaldehydes to optically active spirocyclic tetrahydrofurans: stereospecific resolution of symmetric aldehydes through (S)-proline-catalysed aldol reaction 5.771
Catalytic enantioselective synthesis of α-(benzylamino)cyclobutanones 5.654
Synthesis of New Heterocycles through a Cation-driven Tandem Ring-enlargement-annulation reaction 5.508
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 5.095
Synthesis of quaternary α-benzyl- and α-allyl-α-methylamino cyclobutanones 4.955
Synthesis and characterization of tunable coumarin- linked glasses as new class of organic/inorganic phosphors 4.461
Organocatalytic asymmetric condensation/keto-enol tautomerization tandem reaction:access to cyclobutanone alfa-amino acid ester derivatives 4.328
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 4.124
Analoghi di sintesi del feromone sessuale come strumento per il controllo della popolazione di Lymantria dispar 4.110
Synthesis of functionalized tryptamines by Brønsted acid catalysed cascade reactions 4.096
Enantioselective organocatalyzed desymmetrization of 3-substituted cyclobutanones through Michael addition to nitroalkenes 4.079
Oxaspiropentane derivatives as effective sex pheromone analogues in the gypsy moth: Electrophysiological and behavioral evidence 3.982
Deracemizing organocatalyzed Michael addition reactions of 2-(arylthio)cyclobutanones with β-nitrostyrenes 3.955
Organocatalyzed tandem process involving asymmetric protonations as a stereo-defining step 3.901
Solvent-free stereoselective organocatalyzed aldol reaction of 2-hydroxycyclobutanone 3.851
Disulfide-based metal-free α-sulfanylation of ketones 3.849
Enantioselective organocatalyzed functionalization of benzothiophene and thiophenecarbaldehyde derivatives 3.825
New aminotetrazole derivatives as hydrogen bonding catalysts. A green and selective oxidation of organosulphides with H2O2 in H2O 3.705
Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: a Route to Functionalized Cyclopropanecarbaldehydes 3.618
Tetrazole Amides as Hydrogen-Bonding Donor Catalysts in the Chemoselective Oxidation of Sulphides and Disulphides 3.597
Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols 3.565
Electrophysiological and behavioural analysis on the use of a (+) disparlure analogue for biological control of Lymantria dispar L 3.442
Organocatalytic synthesis of optically active aryllactic acid derivatives from β -ketosulfoxides 3.376
Stereoselective aza-Michael addition of anilines to 1-nitro cyclohexene by intramolecular protonation 3.280
Synthesis of 2,2-bis(pyridin-2-yl amino)cyclobutanols and their conversion into 5-(pyridin-2-ylamino)dihydrofuran-2(3: H)-ones 3.263
α-Benzoyloxylation of β-keto sulfides at ambient temperature 3.131
Synthesis of β-sulfinyl cyclobutane carboxylic amides: Via a formal α to β sulphoxide migration process 3.114
Unexpected Stereochemistry in the Lithium Salt Catalyzed Ring Expansion of Nonracemic Oxaspiropentanes. Formal Syntheses of (-)-(4R,5R)-Muricatacin and the Pheromone (R) -Japolinure 2.997
Ammonium salt catalyzed oxidation of organosulfides to organosulfoxydes 2.932
Acid-catalyzed synthesis of functionalized arylthio cyclopropane carbaldehydes and ketones 2.837
Catalytic enantioselective synthesis of α-arylaminocyclobutanones 2.833
Preparation of Cyclobutene Acetals and Tricyclic Oxetanes through Photochemical Tandem and Cascade Reactions 2.776
Brønsted Acid Mediated Cascade Reaction to Access 3-(2-Bromoethyl)benzofurans 2.696
Catalytic Tandem Friedel–Crafts Alkylation/C4–C3 Ring-Contraction Reaction: An Efficient Route for the Synthesis of Indolyl Cyclopropanecarbaldehydes and Ketones 2.691
Very high stereoselectivity in organocatalyzed desymmetrizing aldol reactions of 3-substituted cyclobutanones 2.509
Convenient Formal Synthesis of (+/-)-Cuparene, (+/-)-Enokipodins A and B, and (+/-)-Cuparene-1,4-Quinone 2.494
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 2.491
null 2.463
Recent progress in the synthetic assembly of 2-cyclopentenones 2.451
A sex pheromone analogue as a tool for biological control of Lymantria dispar L. populations 2.439
Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process 2.418
One Pot Synthesis of Cyclobutanols by Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents 2.399
Organocatalytic asymmetric tandem condensation-intramolecular rearrangement-protonation: An approach to optically active α-amino thioester derivatives 2.396
null 2.329
Stereocontrolled synthesis and functionalization of cyclobutanes and cyclobutanones 2.311
of New Heterocycles through a Cation- Driven Tandem Ring- Enlargement- Annulation reaction 2.179
A new entry to alkylidenecyclopropanes through a Ramberg-Backlund rearrangement of cyclopropylsulfones 2.157
Visible light promoted continuous flow photocyclization of 1,2-diketones 2.116
The first organocatalysed direct aldol reaction of 2-hydroxycyclobutanone 2.100
Unexpected formation of optically active 4-substituted 5-hydroxy-γ- lactams by organocatalyzed reaction of 3-substituted cyclobutanones with nitrosobenzene 2.072
null 1.994
null 1.979
null 1.974
null 1.963
A Catalytic One-Pot Synthesis of Indolyl Cyclobutanones 1.959
Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes 1.956
null 1.930
A Bronsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters 1.914
Z-Selective Synthesis of α-Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis 1.899
null 1.886
ENANTIOSELECTIVE ASYMMETRIC TRANSFORMATION OF CYCLOBUTANONE DERIVATIVES 1.843
Enantioselective organocatalytic rearrangement of α-acyloxy- β-keto sulfides to α-acyloxy thioesters 1.807
Synthesis of α-Aminocyclopropyl Ketones and 2-Substituted Benzoimidazoles from 2-Hydroxycyclobutanones and Aryl Amines 1.787
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 1.576
null 1.573
null 1.384
β-N-Heterocyclic Cyclobutane Carboximides: Synthesis through a Tandem Base-Catalyzed Amidation/aza-Michael Addition Protocol and Facile Transformations 1.373
Solution structure of some λ3 iodanes: An 17O NMR and DFT study 1.338
Discoveries through Organocatalyzed, Brønsted Acid Catalyzed and Non-Catalyzed Transformations of 2-Hydroxycyclobutanone 1.031
Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes 1.014
null 1.007
A short synthesis of both enantiomers of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid 995
Magnetic Aerogels for Room-Temperature Catalytic Production of Bis(indolyl)methane Derivatives 975
L-proline-catalyzed direct intermolecular asymmetric aldol reactions of 1-phenylthiocycloalkyl carboxaldehydes with ketones. Easy access to spiro- and fused-cyclobutyl tetrahydrofurans and cyclopentanones 934
null 916
Insights into the reactivity of 2-hydroxycyclobutanones with thiols corroborated by quantum chemical DFT investigations, NMR and Raman analysis 790
Solvent-Free Synthesis of Quaternary Oxazolidine-2-thione β3-Amino Ester Analogs 740
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 732
Synthesis of tertiary cyclobutanols through stereoselective ring expansion of oxaspiropentanes induced by Grignard reagents 728
The Heyns Rearrangement: Synthetic Routes Beyond Carbohydrate Chemistry 697
Convenient Formal Synthesis of (+)-Grandisol through Promoted Lewis Acid Promoted Enantioselective Pinacolic Rearrangement 661
Tandem Baeyer–Villiger/Wittig/oxa-Michael addition: One-step to 5-substituted γ-lactones 619
null 587
Synthesis of cyclobutane-fused oxazolidine-2-thione derivatives 533
Synthesis of enantiomerically enriched secondary and tertiary phenylthio- and phenoxy-aldols 505
A Highly Stereocontrolled Formal Total Synthesis of (±)- and (-)-Grandisol by 1,4-Conjugated Addition of Organocopper Reagents to Cyclobutylidene Derivatives 485
2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols. A short synthesis of (+/-)-alpha-cuparenone and (+/-)-herbertene 479
Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereoisomeric monoterpenoids: (±)- Fragranol and (±)- Grandisol 462
A new synthesis of alkylidenecyclopropanes by the Julia-Lythgoe-type olefination using sulfones and sulfoxides 393
Totale 307.376
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Categoria #
all - tutte 346.118
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 346.118
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/20216.414 0 0 0 0 0 0 0 0 0 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
2025/20265.699 581 386 634 643 544 399 1.015 359 424 714 0 0
Totale 307.895