Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Leticia Lomas"'
Autor:
Alma Sánchez-Eleuterio, Carlos Mendoza-Merlos, Ricardo Corona Sánchez, Alejandra M. Navarrete-López, Anatolio Martínez Jiménez, Elsie Ramírez-Domínguez, Leticia Lomas Romero, Ricardo Orozco Cruz, Araceli Espinoza Vázquez, Guillermo E. Negrón-Silva
Publikováno v:
Molecules, Vol 28, Iss 1, p 460 (2023)
A series of novel 1-N-α-d-glucopyranosyl-1H-1,2,3-triazole xanthines was synthesized from azido sugars (glucose, galactose, and lactose) and propargyl xanthines (theophylline and theobromine) using a typical copper (I)-catalyzed azide–alkyne 1,3-d
Externí odkaz:
https://doaj.org/article/c09c6d2591cc483f9402c31263c0b8ee
Autor:
Ricardo Ballinas-Indili, Ricardo Corona-Sánchez, Saúl R. MerecÃas, M. Teresa RamÃrez-Apan, Alfredo Toscano, Leticia Lomas-Romero, Roberto Guerrero-Reyes, Cecilio Ãlvarez-Toledano
Publikováno v:
ARKIVOC, Vol 2019, Iss 5, Pp 327-339 (2019)
Externí odkaz:
https://doaj.org/article/d96eda1a72944c4d909c08c89eabc063
Autor:
Ricardo Corona-Sánchez, Alma Sánchez-Eleuterio, Claudia Negrón-Lomas, Yarisel Ruiz Almazan, Leticia Lomas-Romero, Guillermo E. Negrón-Silva, Álvaro C. Rodríguez-Sánchez
Publikováno v:
Royal Society Open Science, Vol 7, Iss 7 (2020)
A series of carbohydrate-linked 1,2,3-triazole derivatives were synthesized in good yields from glucofuranose and allofuranose diacetonides using as key step a three-component 1,3-dipolar azide–alkyne cycloaddition catalysed by a Cu–Al mixed oxid
Externí odkaz:
https://doaj.org/article/255b871fa89945d29fc0b9a856536ef5
Autor:
Julio C. Flores-Reyes, Perla Islas-Jácome, Atilano Gutiérrez-Carrillo, Mónica A. Rincón-Guevara, Galdina V. Suárez-Moreno, Óscar Vázquez-Vera, Leticia Lomas-Romero, Eduardo González-Zamora, Alejandro Islas-Jácome
Publikováno v:
Chemistry Proceedings, Vol 8, Iss 1, p 25 (2021)
The synthesis and characterization of three tridentate ligands for new MOFs are described. A triple aminolysis of the 1,3,5-tribenzoyl chloride with p-aminobenzoic acid gave the tricarboxylic acid 3 in 90% yield. Moreover, the same reaction, also fro
Externí odkaz:
https://doaj.org/article/2ddabc3cb8ac44f7b9992594a60c50f3
Autor:
Araceli Espinoza-Vázquez, Francisco Javier Rodríguez-Gómez, Ivonne Karina Martínez-Cruz, Deyanira Ángeles-Beltrán, Guillermo E. Negrón-Silva, Manuel Palomar-Pardavé, Leticia Lomas Romero, Diego Pérez-Martínez, Alejandra M. Navarrete-López
Publikováno v:
Royal Society Open Science, Vol 6, Iss 3 (2019)
The design and synthesis of a series of theophylline derivatives containing 1,2,3-triazole moieties are presented. The corrosion inhibition activities of these new triazole–theophylline compounds were evaluated by studying the corrosion of API 5 L
Externí odkaz:
https://doaj.org/article/a7cd6d8108534544900f9da98074df34
Autor:
Roberto E. Blanco-Carapia, Julio C. Flores-Reyes, Yizrell Medina-Martínez, Perla Islas-Jácome, Diego Pérez-Martínez, Leticia Lomas-Romero, Ilich A. Ibarra, Alejandro Islas-Jácome, Eduardo González-Zamora
Publikováno v:
Proceedings, Vol 9, Iss 1, p 32 (2019)
The synthesis and characterization of one symmetrical bis-1-substituted-1H-tetrazole (69%) via a Huisgen-type 1,3-dipolar cycloaddition, as well as, one symmetrical aza-linked bis-5-substituted-1H-tetrazole (57%) via a classic Huisgen 1,3-dipolar cyc
Externí odkaz:
https://doaj.org/article/d662673799e344ab9e12869adb2f9fb2
Autor:
Daniel Mendoza-Espinosa, Guillermo E. Negron-Silva, Leticia Lomas-Romero, Atilano Gutierrez-Carrillo, Rosa Santillán
Publikováno v:
Molecules, Vol 19, Iss 1, Pp 55-66 (2013)
The pseudo-four component click synthesis of dibenzylated 1,2,3-triazoles derived from aniline is reported. The cycloaddition of sodium azide to N-(prop-2-ynyl)-benzenamine (I) in the presence of equimolar amounts of p-substituted benzyl derivatives,
Externí odkaz:
https://doaj.org/article/a0b1b802056b46daa52e7278ab77b9c0
Autor:
Guillermo E. Negrón-Silva, José Antonio Morales-Serna, Jorge Cárdenas, Rubén Gaviño, Leticia Lomas-Romero, Celia Xochitl Hernández-Reyes, Eduardo González-Zamora, Deyanira Angeles-Beltrán
Publikováno v:
Molecules, Vol 17, Iss 3, Pp 3359-3369 (2012)
New azanucleosides were obtained using sulphated zirconia (ZS) as catalyst in the nucleophilic oxirane ring opening reaction of 1-allyl-3-(oxiran-2-ylmethyl) pyrimidine-2,4(1H,3H)-dione and 1-allyl-5-methyl-3-(oxiran-2-ylmethyl)-pyrimidine-2,4(1H,3H)
Externí odkaz:
https://doaj.org/article/16b6ea6a3e384d8c92707f2fa5be9b52
Autor:
Juan Navarrete-Bolaños, Rubén Gaviño-Ramírez, Eduardo González-Zamora, Leticia Lomas-Romero, Guillermo E. Negrón-Silva, Deyanira Angeles-Beltrán, Laura Nadxieli Palacios-Grijalva, Nahí Adriana Guerra-Navarro
Publikováno v:
Molecules, Vol 16, Iss 8, Pp 6561-6576 (2011)
A comparison was made of the effectiveness of the functionalization reactions of pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione (PCU) using sulphated zirconia in protection-deprotection reactions and Mg/Al hydrotalcite in a cyanosilylation reac
Externí odkaz:
https://doaj.org/article/8ec5d30825a247289066d57a7c530ce0
Autor:
Óscar Vázquez-Vera, Daniel Segura-Olvera, Mónica A. Rincón-Guevara, Atilano Gutiérrez-Carrillo, Miguel A. García-Sánchez, Ilich A. Ibarra, Leticia Lomas-Romero, Alejandro Islas-Jácome, Eduardo González-Zamora
Publikováno v:
Molecules, Vol 23, Iss 8, p 2029 (2018)
A series of eight new 5-aryl-benzo[f][1,7]naphthyridines were synthesized in 17 to 64% overall yields via an improved MW-assisted cascade-like one pot process (Ugi–three component reaction/intramolecular aza-Diels-Alder cycloaddition) coupled to an
Externí odkaz:
https://doaj.org/article/f37cc29d0ba846108a03a8259e607368