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1

Photochemical Transformations of Some Neoclerodane and Labdane Diterpene Ketones

Gianfranco Fontana, Giuseppe Savona, Nicolò Vivona, Benjamín Rodríguez

Journal:

European Journal of Organic Chemistry

Year:

1999

Language:

english

File:

PDF, 149 KB

english, 1999

2

Fluorinated Heterocyclic Compounds. A Photochemical Approach to a Synthesis of Fluorinated Quinazolin-4-ones.

Silvestre Buscemi, Andrea Pace, Antonio Palumbo Piccionello, Ivana Pibiri, Nicolo Vivona

Journal:

Year:

2004

File:

PDF, 19 KB

2004

3

Five-to-Six Membered Ring-Rearrangements in the Reaction of 5-Perfluoroalkyl-1,2,4-oxadiazoles with Hydrazine and Methylhydrazine

Buscemi, Silvestre, Pace, Andrea, Piccionello, Antonio Palumbo, Pibiri, Ivana, Vivona, Nicolò, Giorgi, Gianluca, Mazzanti, Andrea, Spinelli, Domenico

Journal:

Journal of Organic Chemistry

Year:

2006

Language:

english

File:

PDF, 159 KB

english, 2006

4

Sensitized Photoreduction of Nitrosoazoles on Titanium Dioxide

Vivona, Nicolò, Pace, Andrea, Buscemi, Silvestre, Caronna, Tullio

Journal:

Year:

2000

Language:

english

File:

PDF, 202 KB

english, 2000

5

Studies on Azole-to-Azole Interconversion − An Interesting Case of Absence of a “Primary Steric Effect” in the Ring-Degenerate Equilibration between ortho-Substituted 3-Aroylamino-5-methyl-1,2,4-oxadiazoles and 3-Acetylamino-5-aryl-1,2,4-oxadiazoles in Methanol

Silvestre Buscemi, Vincenzo Frenna, Andrea Pace, Nicolò Vivona, Barbara Cosimelli, Domenico Spinelli

Journal:

European Journal of Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 264 KB

english, 2002

6

ChemInform Abstract: Photochemical Transformations of Some Neoclerodane and Labdane Diterpene Ketones.

Gianfranco Fontana, Giuseppe Savona, Nicolo Vivona, Benjamin Rodriguez

Journal:

Year:

1999

File:

PDF, 23 KB

1999

7

ChemInform Abstract: Photoinduced Single Electron Transfer on 5-Aryl-1,2,4-oxadiazoles: Some Mechanistic Investigations in the Synthesis of Quinazolin-4-ones.

Silvestre Buscemi, Andrea Pace, Nicolo Vivona, Tullio Caronna, Alessandro Galia

Journal:

Year:

2000

File:

PDF, 26 KB

2000

8

ChemInform Abstract: Fluoro Heterocycles. A Photochemical Methodology for the Synthesis of 3-Amino- and 3-(N-Alkylamino)-5-perfluoroalkyl-1,2,4-oxadiazoles.

Silvestre Buscemi, Andrea Pace, Nicolo Vivona

Journal:

Year:

2000

File:

PDF, 28 KB

2000

9

ChemInform Abstract: Fluorinated Heterocyclic Compounds. A Photochemical Synthesis of 3-Amino-5-perfluoroaryl-1,2,4-oxadiazoles.

Silvestre Buscemi, Andrea Pace, Rosa Calabrese, Nicolo Vivona, Pierangelo Metrangolo

Journal:

Year:

2001

Language:

english

File:

PDF, 35 KB

english, 2001

10

ChemInform Abstract: Photoinduced Molecular Rearrangements. Some Comments on the Ring-Photoisomerization of 1,2,4-Oxadiazoles into 1,3,4-Oxadiazoles.

Silvestre Buscemi, Andrea Pace, Nicolo Vivona, Tullio Caronna

Journal:

Year:

2001

File:

PDF, 29 KB

2001

11

ChemInform Abstract: Photoinduced Functionalization of the C-20 Methyl Group of the Nor-diterpene Atractyligenin.

Silvestre Buscemi, Sergio Rosselli, Maurizio Bruno, Nicolo Vivona, Franco Piozzi

Journal:

Year:

2002

File:

PDF, 27 KB

2002

12

Fluorinated Heterocyclic Compounds. Synthesis of 5-Amino-, 5-N-Alkylamino-, and 5-N,N-Dialkylamino-3-perfluoroheptyl-1,2,4-oxadiazoles.

Silvestre Buscemi, Andrea Pace, Ivana Pibiri, Nicolo Vivona

Journal:

Year:

2003

File:

PDF, 93 KB

2003

13

A Generalized Synthesis of 3-Amino-5-aryl-, 3-Amino-5-polyfluorophenyl-, and 3-Amino-5-alkyl-1,2,4-oxadiazoles Through Ring-Degenerate Rearrangements.

Silvestre Buscemi, Andrea Pace, Vincenzo Frenna, Nicolo Vivona

Journal:

Year:

2003

File:

PDF, 127 KB

2003

14

Fluorinated Heterocyclic Compounds. An Expedient Route to 5-Perfluoroalkyl-1,2,4-triazoles via an Unusual Hydrazinolysis of 5-Perfluoroalkyl-1,2,4-oxadiazoles. First Examples of an ANRORC-Like Reaction in 1,2,4-Oxadiazole Derivatives.

Silvestre Buscemi, Andrea Pace, Ivana Pibiri, Nicolo Vivona, Domenico Spinelli

Journal:

Year:

2003

File:

PDF, 14 KB

2003

15

Fluorinated Heterocyclic Compounds: An Assay on the Photochemistry of Some Fluorinated 1-Oxa-2-azoles: An Expedient Route to Fluorinated Heterocycles.

Silvestre Buscemi, Andrea Pace, Ivana Pibiri, Nicolo Vivona, Tullio Caronna

Journal:

Year:

2004

File:

PDF, 92 KB

2004

16

Fluorinated Heterocyclic Compounds — The First Example of an Irreversible Ring-Degenerate Rearrangement on Five-Membered Heterocycles by Attack of an External Bidentate Nucleophile.

Silvestre Buscemi, Andrea Pace, Ivana Pibiri, Nicolo Vivona, Camilla Zaira Lanza, Domenico Spinelli

Journal:

Year:

2004

File:

PDF, 103 KB

2004

17

Photochemistry of Fluorinated Heterocyclic Compounds. An Expedient Route for the Synthesis of Fluorinated 1,3,4-Oxadiazoles and 1,2,4-Triazoles.

Andrea Pace, Ivana Pibiri, Silvestre Buscemi, Nicolo Vivona

Journal:

Year:

2004

File:

PDF, 38 KB

2004

18

Molecular Rearrangements of 1-Oxa-2-azoles as an Expedient Route to Fluorinated Heterocyclic Compounds

Andrea Pace, Ivana Pibiri, Silvestre Buscemi, Nicolo Vivona

Journal:

Year:

2005

File:

PDF, 8 KB

2005

19

Fluorinated Heterocyclic Compounds. A Photochemical Approach to a Synthesis of Polyfluoroaryl-1,2,4-triazoles.

Silvestre Buscemi, Andrea Pace, Antonio Palumbo Piccionello, Ivana Pibiri, Nicolo Vivona

Journal:

Year:

2005

File:

PDF, 22 KB

2005

20

Fluorinated Heterocyclic Compounds. An Effective Strategy for the Synthesis of Fluorinated (Z)-Oximes of 3-Perfluoroalkyl-6-phenyl-2H-1,2,4-triazin-5-ones via a Ring-Enlargement Reaction of 3-Benzoyl-5-perfluoroalkyl-1,2,4-oxadiazoles and Hydrazine.

Silvestre Buscemi, Andrea Pace, Antonio Palumbo Piccionello, Gabriella Macaluso, Nicolo Vivona, Domenico Spinelli, Gianluca Giorgi

Journal:

Year:

2005

File:

PDF, 17 KB

2005

21

The Synthesis of Fluorinated Heteroaromatic Compounds. Part 1. Five-Membered Rings with More than Two Heteroatoms

Andrea Pace, Silvestre Buscemi, Nicolo Vivona

Journal:

Year:

2006

File:

PDF, 8 KB

2006

22

ChemInform Abstract: 1,2,4-Oxadiazole Rearrangements Involving an NNC Side-Chain Sequence.

Antonio Palumbo Piccionello, Andrea Pace, Silvestre Buscemi, Nicolo Vivona

Journal:

Year:

2010

File:

PDF, 29 KB

2010

23

ChemInform Abstract: Exploiting the CNC Side Chain in Heterocyclic Rearrangements: Synthesis of 4(5)-Acylamino-imidazoles.

Antonio Palumbo Piccionello, Silvestre Buscemi, Nicolo Vivona, Andrea Pace

Journal:

Year:

2010

File:

PDF, 23 KB

2010

24

ChemInform Abstract: Synthesis of Heteroaromatics via Rearrangement Reactions

Nicolo Vivona, Silvestre Buscemi, Ivana Pibiri, Antonio Palumbo Piccionello, Andrea Pace

Journal:

Year:

2011

File:

PDF, 18 KB

2011

25

ChemInform Abstract: Synthesis of Amino-1,2,4-triazoles by Reductive ANRORC Rearrangements of 1,2,4-Oxadiazoles.

Antonio Palumbo Piccionello, Annalisa Guarcello, Silvestre Buscemi, Nicolo Vivona, Andrea Pace

Journal:

Year:

2011

File:

PDF, 31 KB

2011

26

Fluorinated Heterocyclic Compounds − The First Example of an Irreversible Ring-Degenerate Rearrangement on Five-Membered Heterocycles by Attack of an External Bidentate Nucleophile

Silvestre Buscemi, Andrea Pace, Ivana Pibiri, Nicolò Vivona, Camilla Zaira Lanza, Domenico Spinelli

Journal:

European Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 139 KB

english, 2004

27

Fluorescent Hg2+ Sensors: Synthesis and Evaluation of a Tren-Based Starburst Molecule Containing Fluorinated 1,2,4-Oxadiazoles

Ivana Pibiri, Antonio Palumbo Piccionello, Alessandro Calabrese, Silvestre Buscemi, Nicolò Vivona, Andrea Pace

Journal:

European Journal of Organic Chemistry

Year:

2010

Language:

english

File:

PDF, 231 KB

english, 2010

28

Photoinduced molecular rearrangements. Some comments on the ring-photoisomerization of 1,2,4-oxadiazoles into 1,3,4-oxadiazoles

Silvestre Buscemi, Andrea Pace, Nicolò Vivona, Tullio Caronna

Journal:

Journal of Heterocyclic Chemistry

Year:

2001

Language:

english

File:

PDF, 34 KB

english, 2001

29

Fluorinated heterocyclic compounds: an assay on the photochemistry of some fluorinated 1-oxa-2-azoles: an expedient route to fluorinated heterocycles

Silvestre Buscemi, Andrea Pace, Ivana Pibiri, Nicolò Vivona, Tullio Caronna

Journal:

Journal of Fluorine Chemistry

Year:

2004

Language:

english

File:

PDF, 168 KB

english, 2004

30

Synthesis of fluorinated first generation starburst molecules containing a triethanolamine core and 1,2,4-oxadiazoles

Silvestre Buscemi, Andrea Pace, Antonio Palumbo Piccionello, Nicolò Vivona

Journal:

Journal of Fluorine Chemistry

Year:

2006

Language:

english

File:

PDF, 223 KB

english, 2006

31

One-pot synthesis of fluorinated 2-amino-pyrimidine-N-oxides. Competing pathways in the four-atom side-chain rearrangements of 1,2,4-oxadiazoles

Silvestre Buscemi, Andrea Pace, Antonio Palumbo Piccionello, Nicolò Vivona, Marcella Pani

Journal:

Year:

2006

Language:

english

File:

PDF, 328 KB

english, 2006

32

Synthesis of fluorinated indazoles through ANRORC-like rearrangement of 1,2,4-oxadiazoles with hydrazine

Antonio Palumbo Piccionello, Andrea Pace, Ivana Pibiri, Silvestre Buscemi, Nicolò Vivona

Journal:

Year:

2006

Language:

english

File:

PDF, 222 KB

english, 2006

33

Synthesis of trifluoromethylated 2-benzoyl- and 2-aminoimidazoles from ring rearrangement of 1,2,4-oxadiazole derivatives

Antonio Palumbo Piccionello, Andrea Pace, Silvestre Buscemi, Nicolò Vivona, Marcella Pani

Journal:

Year:

2008

Language:

english

File:

PDF, 400 KB

english, 2008

34

On the reaction of some 5-polyfluoroaryl-1,2,4-oxadiazoles with methylhydrazine: synthesis of fluorinated indazoles

Antonio Palumbo Piccionello, Andrea Pace, Paola Pierro, Ivana Pibiri, Silvestre Buscemi, Nicolò Vivona

Journal:

Year:

2009

Language:

english

File:

PDF, 415 KB

english, 2009

35

Synthesis of fluorinated 1,2,4-oxadiazin-6-ones through ANRORC rearrangement of 1,2,4-oxadiazoles

Antonio Palumbo Piccionello, Andrea Pace, Silvestre Buscemi, Nicolò Vivona, Gianluca Giorgi

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 336 KB

english, 2009

36

Fluorinated heterocyclic compounds. A photochemical synthesis of 3-amino-5-perfluoroaryl-1,2,4-oxadiazoles

Silvestre Buscemi, Andrea Pace, Rosa Calabrese, Nicolò Vivona, Pierangelo Metrangolo

Journal:

Year:

2001

Language:

english

File:

PDF, 112 KB

english, 2001

37

Mononuclear heterocyclic rearrangements. Effect of the structure of the side chain on the reactivity. Part 3. Rearrangement of some N-(5-phenyl-1,2,4-oxadiazol-3-yl)-N′-arylformamidines into 1-aryl-3-benzoylamino-1,2,4-triazoles in acetonitrile in the presence of triethylamine

Vincenzo Frenna, Gabriella Macaluso, Nicolò Vivona, Domenico Spinelli, Giovanni Consiglio, Elisabetta Mezzina

Journal:

Year:

1994

Language:

english

File:

PDF, 754 KB

english, 1994

38

Photoinduced molecular rearrangements. The photochemistry of 1,2,4-oxadiazoles in the presence of sulphur nucleophiles. Synthesis of 1,2,4-thiadiazoles

Nicolò Vivona, Silvestre Buscemi, Stefano Asta, Tullio Caronna

Journal:

Year:

1997

Language:

english

File:

PDF, 417 KB

english, 1997

39

Fluoro heterocycles. A photochemical methodology for the synthesis of 3-amino- and 3-(N-alkylamino)-5-perfluoroalkyl-1,2,4-oxadiazoles

Silvestre Buscemi, Andrea Pace, Nicolò Vivona

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 57 KB

english, 2000

40

Photoinduced functionalization of the C-20 methyl group of the nor-diterpene atractyligenin

Silvestre Buscemi, Sergio Rosselli, Maurizio Bruno, Nicolò Vivona, Franco Piozzi

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 99 KB

english, 2001

41

Cycloadditions in the pyrrole series

Michele Ruccia, Nicolò Vivona, Giuseppe Cusmano

Journal:

Tetrahedron Letters

Year:

1972

Language:

english

File:

PDF, 234 KB

english, 1972

42

Photoinduced functionalization of diterpenes: transformation of the C-20 methyl of atractyligenin into a carbomethoxymethyl or carbamoylmethyl group

Silvestre Buscemi, Sergio Rosselli, Maurizio Bruno, Nicolò Vivona, Franco Piozzi

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

2003

Language:

english

File:

PDF, 94 KB

english, 2003

43

Photoinduced functionalization of diterpenes: photochemical behaviour of grandiflorolic acid in methanol and acetonitrile

Silvestre Buscemi, Sergio Rosselli, Maurizio Bruno, Leonardo Scaglioni, Nicolò Vivona, Franco Piozzi

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

2004

Language:

english

File:

PDF, 104 KB

english, 2004

44

Studies on azole-to-azole interconversions. Substituent effects on the ring-degenerate equilibration between 3-aroylamino-5-methyl-1,2,4-oxadiazoles and 3-acetylamino-5-aryl-1,2,4-oxadiazoles

Silvestre Buscemi, Vincenzo Frenna, Nicolò Vivona, Giovanni Petrillo, Domenico Spinelli

Journal:

Year:

1995

Language:

english

File:

PDF, 450 KB

english, 1995

45

Theoretical study of photoinduced ring-isomerization in the 1,2,4-oxadiazole series

Silvestre Buscemi, Maurizio D'Auria, Andrea Pace, Ivana Pibiri, Nicolò Vivona

Journal:

Year:

2004

Language:

english

File:

PDF, 841 KB

english, 2004

46

Mononuclear heterocyclic rearrangements - V. 1,2,4-oxadiazoles → imidazoles

Michele Ruccia, Nicolò Vivona, Giuseppe Cusmano

Journal:

Tetrahedron Letters

Year:

1972

Language:

english

File:

PDF, 108 KB

english, 1972

47

Photoinduced Molecular Rearrangements. The Photochemistry of Some 1,2,4-Oxadiazoles in the Presence of Nitrogen Nucleophiles. Formation of 1,2,4-Triazoles, Indazoles, and Benzimidazoles

Buscemi, Silvestre, Vivona, Nicolò, Caronna, Tullio

Journal:

Journal of Organic Chemistry

Year:

1996

Language:

english

File:

PDF, 207 KB

english, 1996

48

Fluorinated Heterocyclic Compounds. An Expedient Route to 5-Perfluoroalkyl-1,2,4-triazoles via an Unusual Hydrazinolysis of 5-Perfluoroalkyl-1,2,4-oxadiazoles: First Examples of an ANRORC-Like Reaction in 1,2,4-Oxadiazole Derivatives

Buscemi, Silvestre, Pace, Andrea, Pibiri, Ivana, Vivona, Nicolò, Spinelli, Domenico

Journal:

Journal of Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 54 KB

english, 2003

49

Synthesis of Amino-1,2,4-triazoles by Reductive ANRORC Rearrangements of 1,2,4-Oxadiazoles

Palumbo Piccionello, Antonio, Guarcello, Annalisa, Buscemi, Silvestre, Vivona, Nicolò, Pace, Andrea

Journal:

Journal of Organic Chemistry

Year:

2010

Language:

english

File:

PDF, 730 KB

english, 2010

50

Mononuclear isoheterocyclic rearrangements. Note I. Interconversion of 3-benzoylamino-5-methyl-1,2,4-oxadiazole and 3-acetylamino-5-phenyl-1,2,4-oxadiazole

Nicolò Vivona, Giuseppe Cusmano, Michele Ruccia, Domenico Spinelli

Journal:

Journal of Heterocyclic Chemistry

Year:

1975

File:

PDF, 236 KB

1975

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