Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Sigfrido Escalante-Tovar"'
Autor:
Juan Carlos García-Ramos, Luis Felipe Hernández-Ayala, Rodrigo Galindo-Murillo, Yanis Toledano-Magaña, Marcos Flores-Alamo, Karen Resendiz-Acevedo, Lena Ruiz-Azuara, Virginia Gómez-Vidales, Sigfrido Escalante-Tovar, Jesús García-Valdés
Publikováno v:
Inorganica Chimica Acta. 470:187-196
The work shows the synthesis and characterization of N4-donor L: 2,9-di(ethylaminomethyl)-1,10-phenanthroline and its coordination compounds with some divalent essential metals (Mn, Fe, Co, Ni Cu and Zn). L was obtained as the hydrochloride derivativ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67d5d129f8b238385d8dc36aebc7818f
https://doi.org/10.1016/j.ica.2017.06.040
https://doi.org/10.1016/j.ica.2017.06.040
Autor:
Sigfrido Escalante-Tovar
Publikováno v:
Educación Química. 31:169
La pandemia por SARS-Cov 2 y el obligado confinamiento con la interrupción de actividades forzaron al mundo entero en los últimos 8 meses a entrar en procesos inéditos. 28 péptidos y una molécula de RNA fueron suficientes para poner al mundo de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c169e5baaacdea18418a2d2f4cf359d
https://doi.org/10.22201/fq.18708404e.2021.5.77285
https://doi.org/10.22201/fq.18708404e.2021.5.77285
Autor:
Jorge M. del Campo, Sigfrido Escalante-Tovar, Mayte A. Martínez-Aguirre, Anatoly K. Yatsimirsky
Publikováno v:
RSC Advances. 5:30075-30083
A tetraanionic [2 + 2] boronate ester macrocycle is self-assembled from a dicatechol 3,3,3′,3′-tetramethyl-1,1′-spirobiindane-5,5′,6,6′-tetraol and 1,4-benzenediboronic acid in the presence of 2 equivalents of NaOH in water containing 0–5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3296bda492b4f3cedba477d302941d2a
https://doi.org/10.1039/c5ra03291a
https://doi.org/10.1039/c5ra03291a
Autor:
Sigfrido Escalante-Tovar
Publikováno v:
Educación Química. 30:108
Las propiedades periódicas abarcan un conjunto de manifestaciones de la materia que son objeto de análisis en los cursos básicos de las licenciaturas de química. Sus variaciones a lo largo de la tabla periódica son el vehículo para introducir a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::674ab846237b0c1cda586151ab74181f
https://doi.org/10.22201/fq.18708404e.2019.4.69562
https://doi.org/10.22201/fq.18708404e.2019.4.69562
Autor:
Alejandro Flores‐Villalobos, Hugo Morales-Rojas, Anatoly K. Yatsimirsky, Sigfrido Escalante-Tovar
Publikováno v:
Journal of Physical Organic Chemistry. 15:83-93
Interactions of aliphatic α,ω-diamines [H2N(CH2)nNH2, 2 ≤ n ≤ 8] with coproporphyrin I tetraanion (CP) were studied by spectrophotometry, fluorimetry and 1H NMR spectroscopy in the pH range 7–10 and ionic strengths 0.01–0.1 M. Diprotonated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b53357a5d4a0d2bbcf989f08d2a9add
https://doi.org/10.1002/poc.454
https://doi.org/10.1002/poc.454
Publikováno v:
Scopus-Elsevier
The rate constants of the cleavage of 4-nitrophenyl acetate by the 2,6-diacetylpyridine dioxime (H2dapd) in pH interval 6-8 increase 103–104 times in the presence of Pb(II), Mn(II) and Cd(II), and 2–100 times in the presence of Ni(II), Hg(II), Pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::487791b5b5b0f34872741c27f160e5dd
https://doi.org/10.1016/s0020-1693(97)05971-9
https://doi.org/10.1016/s0020-1693(97)05971-9