Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Rolando F. Pellón Comdom"'
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
Synthesis of Salicylic Acid Derivatives in Presence of Ultrasonic Irradiation Using Water as Solvent
Publikováno v:
Synthetic Communications. 33:1783-1787
An improved synthesis of salicylic acid using ultrasonic irradiation and water as solvent can be achieved with copper and pyridine as catalysts. A number of salicylic acids were prepared in good yield and in a short reaction time.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3425cf4d6550b7fa28e6871abcaa77f8
https://doi.org/10.1081/scc-120018940
https://doi.org/10.1081/scc-120018940
Publikováno v:
Synthetic Communications. 33:1777-1781
An improved synthesis of 11H-pyrido[2,1-b]quinazolin-11-one and derivatives, by the condensation of 2-chlorobenzoic acid and 2-aminopyridine derivatives in N,N-dimethylformamide (DMF) is reported using ultrasound irradiation. The derivatives were pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::acb519ef93aa53f815d70107e4b80530
https://doi.org/10.1081/scc-120018939
https://doi.org/10.1081/scc-120018939
Publikováno v:
Synthetic Communications. 33:1771-1775
An improved synthesis of N-phenylanthranilic acid using water as solvent can be achieved by ultrasound irradiation. A number of N-phenylanthranilic acids were prepared in good yields in a very short reaction time.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f29323638e371cda5e7ecfede34ad45
https://doi.org/10.1081/scc-120018938
https://doi.org/10.1081/scc-120018938
Publikováno v:
Synthetic Communications. 33:921-926
An improved synthesis of 2-carboxy substituted diphenylethers using water as solvent can be achieved by ultrasound irradiation. A number of diphenylethers was prepared in good yields in a very short reaction time.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d30af694d8a602ffb95f60e7b8b16b42
https://doi.org/10.1081/scc-120016350
https://doi.org/10.1081/scc-120016350
Publikováno v:
Synthetic Communications. 32:2055-2059
An improved synthesis of salicylic acid using water as solvent can be achieved using the Ullmann–Goldberg reaction conditions in presence of pyridine as cocatalyst. A number of salicylic acids were prepared in good yield.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8a73559b87ba9869adbb2b3f3a3b1bb
https://doi.org/10.1081/scc-120004857
https://doi.org/10.1081/scc-120004857
Publikováno v:
Synthetic Communications. 31:2159-2167
The synthesis and a study about the influence of the solvent in the alkylation reaction of 2-Carboxy-6-chloro-9(10H) acridone (3b) and 2-Carboxy-6-chloro-7-nitro-9(10H) acridone (3a) was done, obtaining the N-ethyl ester derivative of the alkylated p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d6d65c9356f79d9abbd865f710f20aa
https://doi.org/10.1081/scc-100104467
https://doi.org/10.1081/scc-100104467
Publikováno v:
ChemInform. 32
The synthesis and a study about the influence of the solvent in the alkylation reaction of 2-Carboxy-6-chloro-9(10H) acridone (3b) and 2-Carboxy-6-chloro-7-nitro-9(10H) acridone (3a) was done, obtaining the N-ethyl ester derivative of the alkylated p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::304113bcd56dd5f4ff81923d15465627
https://doi.org/10.1002/chin.200145156
https://doi.org/10.1002/chin.200145156
Publikováno v:
ChemInform. 33
An improved synthesis of salicylic acid using water as solvent can be achieved using the Ullmann–Goldberg reaction conditions in presence of pyridine as cocatalyst. A number of salicylic acids were prepared in good yield.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c679f7ec670ec94053e02a391496ff2
https://doi.org/10.1002/chin.200248084
https://doi.org/10.1002/chin.200248084