Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Virginia M. Mastranzo"'
Autor:
Virginia M. Mastranzo, José Luis Olivares, Rubén Sánchez-Obregón, Francisco Yuste, Rubén A. Toscano
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 11, Pp o2950-o2950 (2011)
In the title compound, C16H18O3S, the dihedral angle between the benzene rings is 75.48 (8)°. The absolute configuration at the stereogenic S-atom center was determined as S. The crystal structure is stabilized by intermolecular C—H...O contacts.
Externí odkaz:
https://doaj.org/article/31fbbb1b604d427eb736829795e180e6
Autor:
Fernando Sartillo-Piscil, Guadalupe Nallely Cortes-Lopez, Sylvain Bernès, Rosa L. Meza‐Leon, Virginia M. Mastranzo, Martha Sosa-Rivadeneyra
Publikováno v:
Tetrahedron Letters. 57:4232-4234
An efficient entry to 5-hydroxyhydantoin derivatives is reported. The reaction of α-ketoacids with commercially available carbodiimides under mild conditions, and in the presence of visible light, induces the rearrangement of an O-acyl urea, and eve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c0e30d2d9cbfd53b6c0c45af219a386
https://doi.org/10.1016/j.tetlet.2016.08.022
https://doi.org/10.1016/j.tetlet.2016.08.022
Publikováno v:
Letters in Organic Chemistry. 14
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55440661a0a2cbd8a419b68eb22dacb1
https://doi.org/10.2174/1570178614666170307091943
https://doi.org/10.2174/1570178614666170307091943
Autor:
Rubén Sánchez-Obregón, Benjamín Ortiz, Francisco Yuste, José L. García Ruano, Virginia M. Mastranzo
Publikováno v:
Tetrahedron Letters. 54:1893-1896
We report the highly stereoselective synthesis of (R)-(+)-crispine A from the (R)-N-sulfinyl amine 1 by using a one-pot process involving the Pictet–Spengler reaction with 4-chlorobutanal, removal of the sulfinyl group by protonolysis of the N–S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3576d907fecccaa76254f08df150ebe7
https://doi.org/10.1016/j.tetlet.2013.01.121
https://doi.org/10.1016/j.tetlet.2013.01.121
Autor:
Martha Sosa-Rivadeneyra, Virginia M. Mastranzo, Guadalupe Nallely Cortes-Lopez, Sylvain Bernès, Rosa L. Meza‐Leon, Fernando Sartillo-Piscil
Publikováno v:
ChemInform. 47
The reaction of α-keto acids with carbodiimides provides O-acyl urea intermediates which undergo visible light induced rearrangement to form unexpected hydantoine derivatives.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a6314765a3afa646874a29f2d673c6a
https://doi.org/10.1002/chin.201652248
https://doi.org/10.1002/chin.201652248
Autor:
Gonzalo Flores, Tommaso Iannitti, Julio César Morales-Medina, Natalie H. Griffiths, Virginia M. Mastranzo
Publikováno v:
Neuroscience letters. 642
Cerebrolysin (Cbl) is a neuropeptide preparation of cerebroproteins that crosses the blood brain barrier displaying neuroprotective properties and promoting neurogenesis. Limited evidence exists on the efficacy of Cbl for the treatment of pain, with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::770ebc14fa0bb585500cac38711e893f
https://pubmed.ncbi.nlm.nih.gov/28131658
https://pubmed.ncbi.nlm.nih.gov/28131658
Autor:
Francisco Yuste, Alberto Fraile, Rubén Sánchez-Obregón, Virginia M. Mastranzo, Angélica Hernández Linares, Benjamín Ortiz, José L. García Ruano
Publikováno v:
The Journal of Organic Chemistry. 76:4635-4644
The Friedel-Crafts reaction of methyl alkyl- and arylsulfinates with aromatic systems, activated by one or more electron-donating substituents (OH, OMe, NHR, NR(2)), provides alkyl aryl and diaryl sulfoxides under mild conditions and in moderate to g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::083863a6dabfcd3a20edf5c01804fc3e
https://doi.org/10.1021/jo2006335
https://doi.org/10.1021/jo2006335
Publikováno v:
Tetrahedron. 67:2905-2910
Room temperature ultrasonic irradiation of neat mixtures of methyl sulfinates and primary or secondary amines (1.5 equiv) produced sulfinamides, which on m -CPBA oxidation (in dichloromethane) were converted into the corresponding sulfonamides. The t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::197630b5578f143eb7d7c081b5ad8694
https://doi.org/10.1016/j.tet.2011.02.060
https://doi.org/10.1016/j.tet.2011.02.060
Autor:
Simón Hernández-Ortega, Sandra K. Angulo, Eusebio Juaristi, Ericka Santacruz, Virginia M. Mastranzo, Gabriela Huelgas, Cecilia Anaya de Parrodi, Patrick J. Walsh, Judit Aviña
Publikováno v:
Tetrahedron: Asymmetry. 20:2788-2794
New chiral thioureas 1–8 containing 1,2-ethylendiamine or trans-1,2-diaminocyclohexane as the carbon skeleton, and containing an (S)-α-phenylethyl group have been prepared (79–98% yield). Thioureas 1–8 were used as ligands for the zinc-based c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19d3b29ab5c19e973f37762c494714cf
https://doi.org/10.1016/j.tetasy.2009.11.027
https://doi.org/10.1016/j.tetasy.2009.11.027
Autor:
Rubén Sánchez-Obregón, Benjamín Ortiz, José L. García Ruano, Francisco Yuste, Virginia M. Mastranzo
Publikováno v:
Arkivoc. 2009:211-217
A new diastereoselective synthesis of (S)-1-[(S)-oxiran-2-yl]-2-phenylethanone (10), a key intermediate in the synthesis of kurasoin B (2), has been accomplished in seven steps in an overall yield of 32%. The key synthetic step in the process is the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e2dc777e5a54f638e0e634293dbbc86
https://doi.org/10.3998/ark.5550190.0010.221
https://doi.org/10.3998/ark.5550190.0010.221