Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Pasqualina Trimarco"'
Publikováno v:
ARKIVOC, Vol 2008, Iss 12, Pp 136-147 (2008)
Externí odkaz:
https://doaj.org/article/475b189e567a44c6a06b41d3389ed325
Publikováno v:
Arkivoc. 2009:126-131
A new synthetic protocol for the alkylation of N,N′-disubstituted formamidines under Mitsunobu conditions is reported. The asymmetrical substitution of amidine substrates allowed investigation of the reaction trends.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5952105d72151c598a666837109d26cf
https://doi.org/10.3998/ark.5550190.0010.213
https://doi.org/10.3998/ark.5550190.0010.213
Publikováno v:
Tetrahedron. 64:11067-11073
The synthesis of 4-nitromethylene-1,4-dihydropyrimidine derivatives as pyrimidine nucleoside analogues was developed, starting from 3-nitropyran-2-one N-functionalized amidines. Primary amines were reacted with amidines yielding 4-nitromethylene-1,4-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b8b6b16955548543dca743e4345aad8
https://doi.org/10.1016/j.tet.2008.09.079
https://doi.org/10.1016/j.tet.2008.09.079
Publikováno v:
Tetrahedron. 63:9652-9662
A new synthesis of substituted 4-dialkylaminopyridines was developed, starting from 3-nitropyran-2-one N-functionalized amidines. Secondary amines were reacted with the amidines in a sealed tube and in ethanol as the solvent yielding exclusively 4-di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df3da5f922a8b62b2e82a9614e03c763
https://doi.org/10.1016/j.tet.2007.07.022
https://doi.org/10.1016/j.tet.2007.07.022
Publikováno v:
Synthesis. 2006:2693-2696
Various β-hydroxy-substituted amidines were obtained starting from methyl serinates, aldehydes or ketones, and tosyl azide. These were converted via Mitsunobu intramolecular cyclization into enantiomerically pure methyl 2-alkyl-l-tosyl-4,5-dihydro-1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4f421855f31c414139cca8e7850c065
https://doi.org/10.1055/s-2006-942476
https://doi.org/10.1055/s-2006-942476
Publikováno v:
Journal of Molecular Structure: THEOCHEM. 726:107-113
The mechanism for the nucleophilic reaction between methylthiolate and 4-bromo-3-methylamino-isothiazole 1,1-dioxide has been investigated on the basis of ab initio, MP2 and DFT calculations. Comparison of the computational results with the experimen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3a1e1a9ea6a0294c55566f28f7f98d3
https://doi.org/10.1016/j.theochem.2005.04.001
https://doi.org/10.1016/j.theochem.2005.04.001
Publikováno v:
Tetrahedron. 61:5778-5781
A single step synthesis of 2,3-dialkyl-6-nitro-quinazolin-4(3H)-imines and 3,5-dialkyl-9-nitro-imidazo-[1,2-c]-quinazolin-2(3H)-ones from simple carbonyl compounds, primary amines or amino acid methyl esters and 2-azido-5-nitro-benzonitrile was devel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf53b3a922f69d7fba6328b3d75dc596
https://doi.org/10.1016/j.tet.2005.04.028
https://doi.org/10.1016/j.tet.2005.04.028
Publikováno v:
Tetrahedron. 58:1213-1221
A new synthesis of 2-pyridineacetamides was developed starting from pyran-2-one N -functionalized amidines 4 . Secondary amines reacted in a sealed tube with amidines 4 and, by nucleophilic attack on pyran-2-one nucleus and thermal rearrangement, aff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa9929b0340e8699e9d4225e7d5b9e09
https://doi.org/10.1016/s0040-4020(01)01197-8
https://doi.org/10.1016/s0040-4020(01)01197-8
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :1723-1728
Pyrolysis of 4-aryl-5-morpholino-4,5-dihydrotriazoles 3 affords two products: pyrano[4,3-b]pyrrol-4(1H)-ones 4 and arylacetamidines 5. The reaction mechanism of this transformation is discussed and reaction conditions optimized to enhance the formati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::434c8046b38e58dbbcf6d794d0064cd9
https://doi.org/10.1039/b008531f
https://doi.org/10.1039/b008531f
Publikováno v:
Scopus-Elsevier
4-Azidotetronic derivatives bearing different substituent groups on the carbon atom in position 3 were easily obtained by reaction of the corresponding 4-bromotetronic compounds with sodium azide in methanol at room temperature.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6e58d1465195a5912fa5b3841097068
https://doi.org/10.1080/00397910008087364
https://doi.org/10.1080/00397910008087364