Search Results - "Vivona, N."

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    Fluoro heterocycles. A photochemical methodology for the synthesis of 3-amino- and 3-( N-alkylamino)-5-perfluoroalkyl-1,2,4-oxadiazoles by Buscemi, Silvestre, Pace, Andrea, Vivona, Nicolò

    Published in Tetrahedron letters (07-10-2000)
    “…A photochemical methodology for the synthesis of perfluoroalkyl-1,2,4-oxadiazoles has been described. 3-Amino- and 3-(…”
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    ApoE Polymorphism in a Small Mediterranean Island: Relationships with Plasma Lipids, Lipoproteins and LDL Particle Size by Barbagallo, C. M., Polizzi, F., Severino, M., Rizzo, M., Vivona, N., Onorato, F., Caldarella, R., Cefalù, A. B., Noto, D., Notarbartolo, A., Averna, M. R.

    Published in European journal of epidemiology (01-01-2001)
    “…Polymorphisms of apoE gene are able to modulate lipoprotein metabolism at different steps and to influence LDL-cholesterol (LDL-C) levels and also other…”
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    Effectiveness of screening for known mutations in Sicilian patients with "probable" familial hypercholesterolemia by Cefalù, A B, Emmanuele, G, Marino, G, Fiore, B, Caldarella, R, Vivona, N, Noto, D, Barbagallo, C M, Costa, S, Gueli, M C, Bertolini, S, Notarbartolo, A, Travali, S, Averna, M R

    “…More than 750 mutations in the low-density lipoprotein (LDL) receptor gene are currently known to cause familial hypercholesterolemia (FH), but the array of…”
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    Photochemistry of Fluorinated Heterocyclic Compounds. An Expedient Route for the Synthesis of Fluorinated 1,3,4-Oxadiazoles and 1,2,4-Triazoles by Pace, Andrea, Pibiri, Ivana, Buscemi, Silvestre, Vivona, Nicolò, Malpezzi, Luciana

    Published in Journal of organic chemistry (11-06-2004)
    “…The photochemistry of some 3-N-alkylamino-5-perfluoroalkyl-1,2,4-oxadiazoles in the presence of nitrogen nucleophiles such as ammonia and primary and secondary…”
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    Heterocyclic Rearrangements in Constrained Media. A Zeolite-Directed Photorearrangement of 1,2,4-Oxadiazoles by Pace, Andrea, Buscemi, Silvestre, Vivona, Nicolò

    Published in Journal of organic chemistry (18-03-2005)
    “…The first intrazeolite-photoinduced rearrangement of a five-membered heterocycle is reported. A completely different behavior compared to solution irradiations…”
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    One-pot synthesis of fluorinated 2-amino-pyrimidine- N-oxides. Competing pathways in the four-atom side-chain rearrangements of 1,2,4-oxadiazoles by Buscemi, Silvestre, Pace, Andrea, Palumbo Piccionello, Antonio, Vivona, Nicolò, Pani, Marcella

    Published in Tetrahedron (06-02-2006)
    “…Trifluoromethylated 2-amino-pyrimidine N-oxides have been synthesized by reaction of the 3-amino-5-methyl-1,2,4-oxadiazole with trifluoromethyl-β-diketones in…”
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    Photochemistry of 1,2,4-Oxadiazoles. A DFT Study on Photoinduced Competitive Rearrangements of 3-Amino- and 3-N-Methylamino-5-perfluoroalkyl-1,2,4-oxadiazoles by Pace, Andrea, Buscemi, Silvestre, Vivona, Nicolò, Silvestri, Arturo, Barone, Giampaolo

    Published in Journal of organic chemistry (31-03-2006)
    “…The photoinduced competitive rearrangements of 5-perfluoroalkyl-3-amino(N-alkylamino)-1,2,4-oxadiazoles have been investigated by DFT calculations and UV−vis…”
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    Competing Ring-Photoisomerization Pathways in the 1,2,4-Oxadiazole Series. An Unprecedented Ring-Degenerate Photoisomerization by Buscemi, Silvestre, Pace, Andrea, Pibiri, Ivana, Vivona, Nicolò

    Published in Journal of organic chemistry (23-08-2002)
    “…The irradiation of some 5-alkyl-3-amino-1,2,4-oxadiazoles at λ = 254 nm in methanol in the presence of triethylamine (TEA) gave ring-photoisomerization both…”
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    Fluorinated Heterocyclic Compounds − The First Example of an Irreversible Ring-Degenerate Rearrangement on Five-Membered Heterocycles by Attack of an External Bidentate Nucleophile by Buscemi, Silvestre, Pace, Andrea, Pibiri, Ivana, Vivona, Nicolò, Lanza, Camilla Zaira, Spinelli, Domenico

    Published in European journal of organic chemistry (01-03-2004)
    “…The reactions of 5‐perfluoroalkyl‐1,2,4‐oxadiazoles 3 with hydroxylamine in DMF give the regioisomeric 3‐perfluoroalkyl‐1,2,4‐oxadiazoles 4 in excellent…”
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    Fluorinated heterocyclic compounds: an assay on the photochemistry of some fluorinated 1-oxa-2-azoles: an expedient route to fluorinated heterocycles by Buscemi, Silvestre, Pace, Andrea, Pibiri, Ivana, Vivona, Nicolò, Caronna, Tullio

    Published in Journal of fluorine chemistry (02-02-2004)
    “…Graphic Photoinduced heterocyclic rearrangements of ON bond-containing azoles have been claimed in the synthesis of target fluorinated heterocyclic compounds…”
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    Fluorinated heterocyclic compounds. A photochemical synthesis of 3-amino-5-perfluoroaryl-1,2,4-oxadiazoles by Buscemi, Silvestre, Pace, Andrea, Calabrese, Rosa, Vivona, Nicolò, Metrangolo, Pierangelo

    Published in Tetrahedron (02-07-2001)
    “…A photochemical methodology for the synthesis of 3-amino- (or 3- N-substituted amino) 5-pentafluorophenyl-1,2,4-oxadiazoles is reported. Irradiation of…”
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    Theoretical study of photoinduced ring-isomerization in the 1,2,4-oxadiazole series by Buscemi, Silvestre, D'Auria, Maurizio, Pace, Andrea, Pibiri, Ivana, Vivona, Nicolò

    Published in Tetrahedron (29-03-2004)
    “…A theoretical study of photoinduced ring-isomerization of 3-amino-5-methyl- and 3-amino-5-phenyl-1,2,4-oxadiazoles is reported. The results well agree with the…”
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