FRONGIA, ANGELO
 Distribuzione geografica
Continente #
EU - Europa 295.095
NA - Nord America 5.096
AS - Asia 1.000
SA - Sud America 105
AF - Africa 9
Continente sconosciuto - Info sul continente non disponibili 1
OC - Oceania 1
Totale 301.307
Nazione #
IT - Italia 292.458
US - Stati Uniti d'America 5.063
NL - Olanda 1.075
CN - Cina 568
DE - Germania 496
UA - Ucraina 359
SG - Singapore 320
SE - Svezia 309
GB - Regno Unito 146
FI - Finlandia 126
BR - Brasile 94
FR - Francia 59
IN - India 42
CA - Canada 28
BE - Belgio 22
HK - Hong Kong 18
IR - Iran 9
AT - Austria 8
KR - Corea 8
VN - Vietnam 7
AR - Argentina 6
JP - Giappone 6
LT - Lituania 6
CH - Svizzera 5
IL - Israele 5
AZ - Azerbaigian 4
IE - Irlanda 4
LV - Lettonia 3
MA - Marocco 3
MX - Messico 3
PL - Polonia 3
RU - Federazione Russa 3
BG - Bulgaria 2
CO - Colombia 2
CZ - Repubblica Ceca 2
EE - Estonia 2
EG - Egitto 2
IQ - Iraq 2
IS - Islanda 2
NP - Nepal 2
UZ - Uzbekistan 2
AE - Emirati Arabi Uniti 1
AU - Australia 1
BD - Bangladesh 1
BN - Brunei Darussalam 1
BO - Bolivia 1
DK - Danimarca 1
DZ - Algeria 1
EC - Ecuador 1
EU - Europa 1
GA - Gabon 1
GE - Georgia 1
HN - Honduras 1
JM - Giamaica 1
KZ - Kazakistan 1
MD - Moldavia 1
OM - Oman 1
PK - Pakistan 1
PT - Portogallo 1
PY - Paraguay 1
RO - Romania 1
SK - Slovacchia (Repubblica Slovacca) 1
SN - Senegal 1
TN - Tunisia 1
Totale 301.307
Città #
Cagliari 288.863
Uta 3.273
Amsterdam 1.055
Fairfield 675
Woodbridge 546
Chandler 447
Ashburn 335
Houston 294
Ann Arbor 283
Seattle 264
Wilmington 261
Boardman 257
Nyköping 257
Cambridge 231
Jacksonville 196
Dearborn 190
Singapore 144
Shanghai 100
Santa Clara 91
Nanjing 74
Helsinki 70
Beijing 69
New York 54
Boston 53
Nürnberg 38
Los Angeles 35
Guangzhou 33
Shenyang 32
San Diego 31
Redwood City 30
Hebei 28
Pune 27
Sassari 27
San Mateo 24
Brussels 21
Toronto 21
London 17
The Dalles 17
Nanchang 15
Auburn Hills 14
Jiaxing 14
Jinan 14
Rome 14
Tianjin 14
Hefei 13
Chicago 12
Mountain View 12
Ningbo 12
Orange 11
Changsha 10
Frankfurt am Main 10
Milan 10
Zhengzhou 10
Hong Kong 9
Norwalk 9
Selargius 9
Wuhan 9
Ardabil 8
Nuremberg 8
Augusta 7
Monmouth Junction 7
Paris 7
Phoenix 7
São Paulo 7
Verona 7
Assèmini 6
Dong Ket 6
Leawood 6
Mumbai 6
Vienna 6
Washington 6
Borås 5
Chengdu 5
Düsseldorf 5
Seoul 5
Atlanta 4
Baku 4
Belo Horizonte 4
Buffalo 4
Dublin 4
Easton 4
Fuzhou 4
Jinhua 4
Kilburn 4
Kunming 4
Munich 4
Tampa 4
Udine 4
Wuxi 4
Acton 3
Athens 3
Calvisano 3
Costa Mesa 3
Council Bluffs 3
Hyderabad 3
Newark 3
Riga 3
San Francisco 3
Sinnai 3
Zurich 3
Totale 298.887
Nome #
A facile strategy for new organic white LED hybrid devices: Design, features and engineering 22.915
Synthesis Of Highly Functionalized Nitrogen Heterocycle From 2-Hydroxycyclobutanones And Aromatic Amines 14.308
Back Cover Picture: (Adv. Synth. Catal. 5/2014) 11.676
Stereoselective and regioselective pinacol-type rearrangement of a fused bicyclic oxetanol scaffold 9.651
Convenient Formal Synthesis of (±)-Cuparene, (±)-Enokipodins A, B and (±)-Cuparene-1,4-Quinone 8.787
Brønsted acid Catalysed Synthesis of 3-(2-Alkoxyethyl)indoles from α-Arylaminocyclobutanones and Alcohols 7.328
A pheromone analogue affects the evaporation rate of (+)-disparlure in Lymantria dispar 6.782
Catalytic enantioselective Amadori-Heyns rearrangement of racemic α-hydroxy ketones with arylamines: Synthesis of optically active α-arylamino ketones 6.104
From (phenylsulfanyl)cycloalkanecarbaldehydes to optically active spirocyclic tetrahydrofurans: stereospecific resolution of symmetric aldehydes through (S)-proline-catalysed aldol reaction 5.728
Catalytic enantioselective synthesis of α-(benzylamino)cyclobutanones 5.577
Synthesis of New Heterocycles through a Cation-driven Tandem Ring-enlargement-annulation reaction 5.464
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 5.022
Synthesis of quaternary α-benzyl- and α-allyl-α-methylamino cyclobutanones 4.883
Synthesis and characterization of tunable coumarin- linked glasses as new class of organic/inorganic phosphors 4.398
Organocatalytic asymmetric condensation/keto-enol tautomerization tandem reaction:access to cyclobutanone alfa-amino acid ester derivatives 4.266
Analoghi di sintesi del feromone sessuale come strumento per il controllo della popolazione di Lymantria dispar 4.066
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 4.056
Synthesis of functionalized tryptamines by Brønsted acid catalysed cascade reactions 4.052
Enantioselective organocatalyzed desymmetrization of 3-substituted cyclobutanones through Michael addition to nitroalkenes 4.007
Oxaspiropentane derivatives as effective sex pheromone analogues in the gypsy moth: Electrophysiological and behavioral evidence 3.942
Deracemizing organocatalyzed Michael addition reactions of 2-(arylthio)cyclobutanones with β-nitrostyrenes 3.904
Organocatalyzed tandem process involving asymmetric protonations as a stereo-defining step 3.831
Solvent-free stereoselective organocatalyzed aldol reaction of 2-hydroxycyclobutanone 3.800
Disulfide-based metal-free α-sulfanylation of ketones 3.796
Enantioselective organocatalyzed functionalization of benzothiophene and thiophenecarbaldehyde derivatives 3.780
New aminotetrazole derivatives as hydrogen bonding catalysts. A green and selective oxidation of organosulphides with H2O2 in H2O 3.650
Tetrazole Amides as Hydrogen-Bonding Donor Catalysts in the Chemoselective Oxidation of Sulphides and Disulphides 3.536
Acid-catalyzed reaction of 2-hydroxycyclobutanone with benzylic alcohols 3.506
Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: a Route to Functionalized Cyclopropanecarbaldehydes 3.504
Electrophysiological and behavioural analysis on the use of a (+) disparlure analogue for biological control of Lymantria dispar L 3.381
Organocatalytic synthesis of optically active aryllactic acid derivatives from β -ketosulfoxides 3.311
Stereoselective aza-Michael addition of anilines to 1-nitro cyclohexene by intramolecular protonation 3.212
Synthesis of 2,2-bis(pyridin-2-yl amino)cyclobutanols and their conversion into 5-(pyridin-2-ylamino)dihydrofuran-2(3: H)-ones 3.185
α-Benzoyloxylation of β-keto sulfides at ambient temperature 3.067
Synthesis of β-sulfinyl cyclobutane carboxylic amides: Via a formal α to β sulphoxide migration process 3.023
Unexpected Stereochemistry in the Lithium Salt Catalyzed Ring Expansion of Nonracemic Oxaspiropentanes. Formal Syntheses of (-)-(4R,5R)-Muricatacin and the Pheromone (R) -Japolinure 2.941
Ammonium salt catalyzed oxidation of organosulfides to organosulfoxydes 2.873
Catalytic enantioselective synthesis of α-arylaminocyclobutanones 2.777
Acid-catalyzed synthesis of functionalized arylthio cyclopropane carbaldehydes and ketones 2.772
Preparation of Cyclobutene Acetals and Tricyclic Oxetanes through Photochemical Tandem and Cascade Reactions 2.704
Brønsted Acid Mediated Cascade Reaction to Access 3-(2-Bromoethyl)benzofurans 2.628
Catalytic Tandem Friedel–Crafts Alkylation/C4–C3 Ring-Contraction Reaction: An Efficient Route for the Synthesis of Indolyl Cyclopropanecarbaldehydes and Ketones 2.615
null 2.463
Convenient Formal Synthesis of (+/-)-Cuparene, (+/-)-Enokipodins A and B, and (+/-)-Cuparene-1,4-Quinone 2.450
Very high stereoselectivity in organocatalyzed desymmetrizing aldol reactions of 3-substituted cyclobutanones 2.438
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 2.425
Recent progress in the synthetic assembly of 2-cyclopentenones 2.390
A sex pheromone analogue as a tool for biological control of Lymantria dispar L. populations 2.385
Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process 2.363
One Pot Synthesis of Cyclobutanols by Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents 2.340
Organocatalytic asymmetric tandem condensation-intramolecular rearrangement-protonation: An approach to optically active α-amino thioester derivatives 2.335
null 2.329
Stereocontrolled synthesis and functionalization of cyclobutanes and cyclobutanones 2.263
of New Heterocycles through a Cation- Driven Tandem Ring- Enlargement- Annulation reaction 2.128
A new entry to alkylidenecyclopropanes through a Ramberg-Backlund rearrangement of cyclopropylsulfones 2.099
The first organocatalysed direct aldol reaction of 2-hydroxycyclobutanone 2.038
Visible light promoted continuous flow photocyclization of 1,2-diketones 2.017
Unexpected formation of optically active 4-substituted 5-hydroxy-γ- lactams by organocatalyzed reaction of 3-substituted cyclobutanones with nitrosobenzene 2.014
null 1.994
null 1.979
null 1.974
null 1.963
null 1.930
Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes 1.897
A Catalytic One-Pot Synthesis of Indolyl Cyclobutanones 1.894
null 1.886
A Bronsted acid catalyzed tandem reaction for the diastereoselective synthesis of cyclobuta-fused tetrahydroquinoline carboxylic esters 1.826
ENANTIOSELECTIVE ASYMMETRIC TRANSFORMATION OF CYCLOBUTANONE DERIVATIVES 1.797
null 1.783
Z-Selective Synthesis of α-Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis 1.778
Enantioselective organocatalytic rearrangement of α-acyloxy- β-keto sulfides to α-acyloxy thioesters 1.754
null 1.724
Synthesis of α-Aminocyclopropyl Ketones and 2-Substituted Benzoimidazoles from 2-Hydroxycyclobutanones and Aryl Amines 1.670
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 1.492
null 1.384
Solution structure of some λ3 iodanes: An 17O NMR and DFT study 1.291
β-N-Heterocyclic Cyclobutane Carboximides: Synthesis through a Tandem Base-Catalyzed Amidation/aza-Michael Addition Protocol and Facile Transformations 1.248
null 1.007
Discoveries through Organocatalyzed, Brønsted Acid Catalyzed and Non-Catalyzed Transformations of 2-Hydroxycyclobutanone 963
Lithiated three-membered heterocycles as chiral nucleophiles in the enantioselective synthesis of 1-oxaspiro[2,3]hexanes 921
A short synthesis of both enantiomers of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid 920
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 880
Magnetic Aerogels for Room-Temperature Catalytic Production of Bis(indolyl)methane Derivatives 863
Insights into the reactivity of 2-hydroxycyclobutanones with thiols corroborated by quantum chemical DFT investigations, NMR and Raman analysis 674
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 673
Synthesis of tertiary cyclobutanols through stereoselective ring expansion of oxaspiropentanes induced by Grignard reagents 652
Convenient Formal Synthesis of (+)-Grandisol through Promoted Lewis Acid Promoted Enantioselective Pinacolic Rearrangement 627
The Heyns Rearrangement: Synthetic Routes Beyond Carbohydrate Chemistry 618
Solvent-Free Synthesis of Quaternary Oxazolidine-2-thione β3-Amino Ester Analogs 614
null 587
Tandem Baeyer–Villiger/Wittig/oxa-Michael addition: One-step to 5-substituted γ-lactones 531
Synthesis of enantiomerically enriched secondary and tertiary phenylthio- and phenoxy-aldols 449
Synthesis of cyclobutane-fused oxazolidine-2-thione derivatives 435
2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols. A short synthesis of (+/-)-alpha-cuparenone and (+/-)-herbertene 415
A Highly Stereocontrolled Formal Total Synthesis of (±)- and (-)-Grandisol by 1,4-Conjugated Addition of Organocopper Reagents to Cyclobutylidene Derivatives 413
Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereoisomeric monoterpenoids: (±)- Fragranol and (±)- Grandisol 408
A new synthesis of alkylidenecyclopropanes by the Julia-Lythgoe-type olefination using sulfones and sulfoxides 329
Totale 301.627
Categoria #
all - tutte 333.312
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 333.312


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/20202.065 0 0 0 0 0 0 0 0 0 0 731 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
2024/2025127.505 39.317 39.889 19.079 21.586 1.715 1.888 2.456 112 219 1.210 34 0
Totale 301.716