Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Rolando F. Pellón"'
Autor:
Fernando A. Rojas-Ruiz, Diego R. Merchan-Arenas, Rolando F. Pellón-Comdom, Vladimir V. Kouznetsov
Publikováno v:
Revista CENIC Ciencias Químicas, Vol 41, Iss 2, Pp 001-007 (2010)
La reacción de un ácido 2-halogenobenzoico con aminas usando sales de cobre o cobre metálico como catalizador para obtener ácidos N-fenilantranílicos se conoce como la reacción de condensación de Ullmann. Se han empleado satisfactoriamente com
Externí odkaz:
https://doaj.org/article/99e8f5f56c634bad9cf3aa6049a9d5da
Publikováno v:
Revista CENIC Ciencias Químicas, Vol 39, Iss 1, Pp 035-039 (2008)
El procedimiento clásico de arilación de fenoles con haluros de arilo bajo las condiciones de la condensación de Ullmann para la síntesis de ácidos 2-fenoxibenzoicos requiere de condiciones difíciles de reacción como resultado de la poca nucle
Externí odkaz:
https://doaj.org/article/31cf5b6600ef4523923c0c0c9c458aa0
Publikováno v:
Revista CENIC Ciencias Químicas, Vol 39, Iss 1, Pp 029-033 (2008)
Se desarrolló un nuevo procedimiento para la arilación de anilinas con ácidos 2-clorobenzoicos mediante la reacción de condensación de Ullmann bajo condiciones no clásicas usando irradiación ultrasónica a temperatura ambiente. Se utilizó com
Externí odkaz:
https://doaj.org/article/fdd2e4203a2345f78d31165e722b3cde
Autor:
Maite L. Docampo, Rolando F. Pellón
Publikováno v:
Synthetic Communications. 43:537-552
A novel series of potential biologically active new cinnamoyl amides were synthesized in good yield and short reaction times. We have studied the one-pot, solvent-free reaction of cinnamic acid derivatives with aromatic amines using 1,3-dicyclohexylc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86769e6ecdd94e0ae2ebe7da2269861e
https://doi.org/10.1080/00397911.2011.604148
https://doi.org/10.1080/00397911.2011.604148
Autor:
Mirta Liliana Fascio, Rolando F. Pellón, Elsa B. Damonte, María Belén Mazzucco, Maite L. Docampo Palacios, Cybele C. García, Norma B. D'Accorso, Claudia Soledad Sepúlveda
Publikováno v:
Antiviral Chemistry and Chemotherapy. 19:41-47
Background: In the present study, a series of N-substituted acridone derivatives was synthesized and evaluated against two haemorrhagic fever viruses (HFV). Methods: Compounds were tested against Junin virus (JUNV), an arenavirus agent of Argentine h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a6dca78267f846a4a7f7166fee933e5
https://doi.org/10.1177/095632020801900106
https://doi.org/10.1177/095632020801900106
Publikováno v:
Synthetic Communications. 37:4209-4217
Novel 10‐{[3‐(6‐hydroxy‐2,2‐dimethyltetrahydrofuro[2,3‐d][1,3]dioxol‐5‐yl)‐4,5‐dihydro‐5‐isoxazolyl]methyl}‐9(10H)‐acridinone derivatives (13–16) were synthesized by 1,3‐dipolar cycloaddition using the carbohydrate der
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a9cdce1a4bdbb4e1ff5aecea4bde399
https://doi.org/10.1080/00397910701575178
https://doi.org/10.1080/00397910701575178
Publikováno v:
Synthetic Communications. 37:1853-1864
One‐pot syntheses of 5H‐[1,3]thiazolo[2,3‐b]quinazolin‐5‐one, 12H‐[1,3]benzothiazolo[2,3‐b]quinazolin‐12‐one, and corresponding derivatives were developed using the copper‐catalyzed Ullmann condensation. The use of ultrasonic irra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1096a411f537268440a8acc184795dc4
https://doi.org/10.1080/00397910701319056
https://doi.org/10.1080/00397910701319056
Publikováno v:
Synthetic Communications. 36:1715-1719
A new efficient synthetic method of microwave‐promoted Ullmann condensation of 2‐aminopyridines with 2‐chlorobenzoic acids to yield various substituted 11H‐pyrido[2,1‐b]quinazolin‐11‐ones in dry media is presented. Results were compared
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1743f6468398b9535fa9acdc4a8cf8a1
https://doi.org/10.1080/00397910600616727
https://doi.org/10.1080/00397910600616727
Publikováno v:
Synthetic Communications. 36:481-485
The Ullmann condensation between 2‐chlorobenzoic acid and 2‐amino‐6‐methyl pyridine in DMF as solvent yielded 2‐[(6‐methyl‐2‐pyridinyl)amino] benzoic acid. The cyclization of this acid gave two isomers, the 9‐methyl‐11H‐pyrido[2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7365c8a10020a391c0560aea4f093b7f
https://doi.org/10.1080/00397910500384566
https://doi.org/10.1080/00397910500384566
Publikováno v:
Synthetic Communications. 36:271-277
Substituted N-phenylanthranilic acids using the Ullmann condensation under microwave irradiation in dry media were obtained in good yield and short reaction times.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eebe33f36f64dcb9b3f46ff879262ada
https://doi.org/10.1080/00397910500374955
https://doi.org/10.1080/00397910500374955