Zobrazeno 1 - 10 of 122 pro vyhledávání: '"Salvatore Cabiddu"'
3
Índice de Haines en Cerdeña, Italia
Autor: Salvatore Cabiddu, Marcello Casula, Franco Casula, Tiziana Pinna, Antonio Casula, Gian Carlo Muntoni, Leandro Usai, Maria Gabriella Cuccu, Bachisio Arca, Michele Salis
Publikováno v: International journal of wildland fire 5 (2021): 33–35.
info:cnr-pdr/source/autori:Salvatore Cabiddu; Marcello Casula; Franco Casula; Tiziana Pinna; Antonio Casula; Gian Carlo Muntoni; Leandro Usai; Maria Gabriella Cuccu; Bachisio Arca; Michele Salis/titolo:Índice de Haines en Cerdeña, Italia/doi:/rivista:International journal of wildland fire/anno:2021/pagina_da:33/pagina_a:35/intervallo_pagine:33–35/volume:5
Este trabajo trata del Capacidad predictiva del Índice de Haines (HI) en relación al desarrollo de grandes incendios forestales en Cerdeña, Italia.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=cnr_________::4282bd1ce0e1a646b4f0880b368fa312
https://publications.cnr.it/doc/468493
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4
Ortho-spirocarbonates and ortho-spirothiocarbonates: synthesis, functionalization and coupling
Autor: Efisio Perra, Stefania De Montis, Giuseppe Bruno, Enzo Cadoni, Maria Grazia Cabiddu, Claudia Fattuoni, Salvatore Cabiddu
Publikováno v: Tetrahedron. 65:2279-2284
This paper describes a new efficient synthesis of 2,2′-spirobi-(1,3-benzoxathiole) (1), 2,2′-spirobi-(1,3-benzodithiole) (2) and 2,2′-spirobi-(1,3-benzodioxole) (3). Compound 3 has been functionalized by means of metallation reaction followed b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::833cfdb501fb880ddf6ce18836f307e6
https://doi.org/10.1016/j.tet.2009.01.043
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5
High yield synthesis of 4H-1,4-benzothiazine-1,1-dioxide derivatives
Autor: Maria Grazia Cabiddu, Stefania De Montis, Claudia Fattuoni, Salvatore Cabiddu, Enzo Cadoni, Michele Usai
Publikováno v: Journal of Heterocyclic Chemistry. 45:1445-1449
4H-1,4-Benzothiazine-1,1-dioxide derivatives were synthesized through a sequence of almost quantitative reactions. The commercial starting material 2-(methylsulfanyl)aniline was Boc-protected, N-acylated and oxidized at the sulfur atom to obtain a su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bfe2894a4b6b554d3292316c78bbef1
https://doi.org/10.1002/jhet.5570450530
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6
Reactivity of lithium 2,3-dihydro-1-benzothiophene-1-oxide toward aldehydes and imines and DFT calculations
Autor: Claudia Fattuoni, Stefania De Montis, Michele Usai, Massimiliano Arca, Maria Grazia Cabiddu, Efisio Perra, Salvatore Cabiddu, Enzo Cadoni
Publikováno v: Tetrahedron. 64:6349-6357
The sulfinyl carbanion derived from 2,3-dihydro-1-benzothiophene-1-oxide and its lithium salt has been investigated by DFT calculations. The lithium carbanion was treated with aldehydes and imines to give chiral hydroxy and amino derivatives, with hi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5ba8d1295b9e3606796bf4579a86ffdc
https://doi.org/10.1016/j.tet.2008.04.088
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7
A New Versatile Synthesis of 2,5-Disubstituted 3-(Methylsulfanyl)thiophenes
Autor: Claudia Fattuoni, Enzo Cadoni, Michele Usai, Salvatore Cabiddu, Stefania De Montis, M. Grazia Cabiddu
Publikováno v: Synthesis. 2008:985-989
A one-pot regioselective functionalization of 3-(methyl- sulfanyl)thiophene with different electrophiles at the 2- and 5-posi- tions is reported. Proper selection of the experimental conditions allows the preparation of polysubstituted products not o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c30a609a81bcef4ee168714ee2ebd8c3
https://doi.org/10.1055/s-2008-1032190
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8
Lithium 2,3-dihydro-1-benzothiophene-1,1-dioxide: synthesis, characterization, DFT calculations, and reactivity toward aldehydes and azomethines
Autor: Salvatore Cabiddu, Massimiliano Arca, Maria Grazia Cabiddu, Claudia Fattuoni, Michele Usai, Stefania De Montis, Enzo Cadoni, Efisio Perra
Publikováno v: Tetrahedron. 63:11122-11134
The sulfonyl carbanion derived from 2,3-dihydro-1-benzothiophene-1,1-dioxide and its lithium salt has been investigated by DFT calculations. NMR and IR spectroscopic analyses showed that the lithium sulfonyl carbanion exists in solution as a monomer
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77d4dcc2dab69569a2ef0e552d4cb7a2
https://doi.org/10.1016/j.tet.2007.08.025
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9
Metallation reactions. XXXVI. A study on the metallation of (methylthio)- and (methylsulfonyl)thiophenes
Autor: Claudia Fattuoni, Stefania De Montis, Michele Usai, Enzo Cadoni, Francesca Sotgiu, Maria Grazia Cabiddu, Salvatore Cabiddu
Publikováno v: Scopus-Elsevier
Methylthio- and methylsulfonyl thiophenes were polymetallated by n-buthyllithium and superbase (LICKOR) in one-step. 2-(Methylthio)thiophene was bimetallated in 5 and in alpha to the methylthio sulfur atom by superbase. 3-(Methylthio)thiophene was bi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::439642099ba752a2d95108ad9b74330d
https://doi.org/10.1002/jhet.5570440316
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10
One-Step Polyfunctionalization of (Methylthio)thiophenes
Autor: Salvatore Cabiddu, Claudia Fattuoni, Michele Usai, Maria Grazia Cabiddu, Stefania De Montis, Enzo Cadoni
Publikováno v: Synthesis. 2006:3855-3858
The one-step polyfunctionalization of 2- and 3-(methylthio)thiophenes was investigated. Direct polymetalation with superbases followed by quenching with an appropriate electrophile led to 2,αS-disubstituted derivatives starting from 2-(methylthio)th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::730f1b3808fb687b70a365f75bc32a6b
https://doi.org/10.1055/s-2006-950303
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