Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Leandro D. Sasiambarrena"'
Autor:
Rodolfo D. Bravo, Agustín Ponzinibbio, Leticia Lafuente, María Florencia Rochetti, Cintia C. Santiago, Leandro D. Sasiambarrena
Publikováno v:
Letters in Organic Chemistry. 16:447-453
Cu-Fe spinels promoted the Ferrier rearrangement of 2-nitroglycals with several O-nucleophiles. 2,3- Unsaturated carbohydrate derivatives were prepared by the reaction of 3,4,6-tri-O-acetyl-2-nitroglucal and alcohols in the presence of 5 % of CuFe2O4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc2a66863a35117e736857df0c843f52
https://doi.org/10.2174/1570178615666181022145338
https://doi.org/10.2174/1570178615666181022145338
Autor:
Guido G. Fraga, Diego D. Colasurdo, Cintia C. Santiago, Agustín Ponzinibbio, Leandro D. Sasiambarrena
Publikováno v:
Journal of Molecular Structure. 1261:132892
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efa5975436f020fcd91993f67bd49006
https://doi.org/10.1016/j.molstruc.2022.132892
https://doi.org/10.1016/j.molstruc.2022.132892
Autor:
Rodolfo D. Bravo, Agustín Ponzinibbio, Guido G. Fraga, Leandro D. Sasiambarrena, Ivan A. Barri
A facile and efficient method was developed for the synthesis of 1,2,4,5-tetrahydro-1,4-benzodiazepine-3-ones from 2-chloro-N-(2-nitrobenzyl)acetamides through a reductive cyclization using iron-ammonium chloride in ethanol?water in good yields. This
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f32099c488af5aa5c64b9a195e848dcf
https://www.sciencedirect.com/science/article/pii/S0040403918314722
https://www.sciencedirect.com/science/article/pii/S0040403918314722
Autor:
Juan José Casal, Maria Elisa Lombardo, Leandro D. Sasiambarrena, Mariela Bollini, Ana M. Bruno, Maria Eugenia Niño, Damián Ariel González Valdez, Leandro Battini, Vanesa Rocío Puente
Publikováno v:
Medicinal chemistry (Shariqah (United Arab Emirates)). 15(3)
Background: Chagas disease affects about 7 million people worldwide. Only two drugs are currently available for the treatment for this parasite disease, namely, benznidazol (Bzn) and nifurtimox (Nfx). Both drugs have limited curative power in the chr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1539a29c7fc47f7bcb7fcce5c474474
https://pubmed.ncbi.nlm.nih.gov/30295191
https://pubmed.ncbi.nlm.nih.gov/30295191
Publikováno v:
Tetrahedron Letters. 56:7184-7189
We describe herein an efficient synthetic method for novel dihydronaphthothiazines S,S -dioxides by aromatic intramolecular sulfonylamidomethylation of 2-naphthylmethanesulfonamides with s -trioxane using Amberlyst XN-1010 as acid heterogeneous catal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dcd7f579a59bc52d34576a9df739c02
https://doi.org/10.1016/j.tetlet.2015.11.042
https://doi.org/10.1016/j.tetlet.2015.11.042
Publikováno v:
Tetrahedron Letters. 56:2054-2058
New 1,2,4,5-tetrahydronaphtho[1,2-d]3,2-thiazepine 3,3-dioxides and 1,2,4,5-tetrahydronaphtho[2,1-d]3,4-thiazepine 3,3-dioxides were synthesized by aromatic intramolecular sulfonylamidomethylation of 2-(2-naphthyl) and 2-(1-naphthyl)ethanesulfonamide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e8e298105ac8ab4dd8432892d75459f
https://doi.org/10.1016/j.tetlet.2015.02.130
https://doi.org/10.1016/j.tetlet.2015.02.130
Publikováno v:
ChemInform. 47
The cyclization of sulfonamides (I) with s-trioxane proceeds with high regioselectivity toward C1 of the naphthalene ring, while cyclization of the 1-bromo derivative (IV) is directed toward C3.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6a0777dce91a3f7b006c57eb9035a25
https://doi.org/10.1002/chin.201621203
https://doi.org/10.1002/chin.201621203
Publikováno v:
Synthetic Communications. 41:200-205
A convenient method for the synthesis of 1,2,4,5-tetrahydro-3,2-benzothiazepine 3,3-dioxides from 2-phenylethanesulfonamides and formaldehyde using Amberlyst resin as catalyst is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6819e59fe2ed9ef451291e8f484ce934
https://doi.org/10.1080/00397910903533983
https://doi.org/10.1080/00397910903533983
Autor:
Alicia S. Cánepa, Marco Antonio Ocsachoque, Rodolfo D. Bravo, M. Gloria González, Leandro D. Sasiambarrena, Leticia J. Mendez
Publikováno v:
Catalysis Letters. 138:180-186
The synthesis of 3,4-dihydro-1H-2,3-benzothiazine 2,2-dioxides and 1,2,4,5-tetrahydro-3,2-benzothiazepine 3,3-dioxides is studied using sulfated zirconia as catalyst. The sulfated zirconia calcined at 550 °C achieved a high selectivity which is attr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a53d503ddf305c8bbc766b32b8ab8689
https://doi.org/10.1007/s10562-010-0389-x
https://doi.org/10.1007/s10562-010-0389-x
Publikováno v:
Synthetic Communications. 38:2655-2661
A facile and efficient method for the formation of 3,4-dihydro-1H-2,3-benzothiazine 2,2-dioxides 2, compounds from benzylsulfonamides and formaldehyde is described using heteropolyacids H3PW12O40 and H3PMo12O40 supported on silica as catalysts.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a0d815774226e035589b0d88c7f9729
https://doi.org/10.1080/00397910802219585
https://doi.org/10.1080/00397910802219585