Diana Paola MedinaUniversidad Autónoma de Madrid | UAM · Department of Organic Chemistry
Diana Paola Medina
PhD. Organic Chemistry
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Publications (8)
A family of four push–pull porphyrazines of A3B type, where each unit A contains two peripheral propyl chains and the unit B is endowed with a carboxylic acid, were prepared. The carboxylic acid was attached to the b-position of the pyrrolic unit, either directly (Pz 10), or through cyanovinyl (Pz 11) and phenyl (Pz 7) groups. The fourth Pz (14) co...
El calentamiento global es uno de los problemas más importantes de nuestra civilización actual, ya que significa el incremento de la temperatura de la superficie terrestre, con el consiguiente aumento del nivel del mar y otras consecuencias catastróficas para la población . Este problema se atribuye en gran medida al consumo actual de energía a par...
A method to prepare key synthetic intermediates of ABAB- and ABAC-phthalocyanines and other tetraazaporphyrin analogues of interest for molecular electronics, is described. These intermediates consist in ABAB-tetraazaporphyrins wherein the two...
A porphyrazine featuring complementary absorption to a pentacene dimer was chosen to fill the absorption gap of the latter in the range of 450 to 600 nm to realize panchromatic absorption through the visible region out to ca. 700 nm. Of even greater relevance is the quantitative intramolecular Förster resonance energy transfer (i-FRET) to funnel en...
Senecio pampae (Asteraceae) is an herb that grows abundantly in the savannah of Bogotá Colombia. In the Asteraceae family are very common sesquiterpenes, most with lactone ring core, which are considered responsible for the toxicity in animals. In this study we report the isolation and identification of six compounds from the roots of Senecio pampa...
Cape gooseberry (Physalis peruviana) is a kind of high and easily produced in Colombia, this coupled with the reported hypoglycemic activity (specifically fruits), makes it a promising alternative as an adjunct in the treatment of type 2 diabetes. The Group of research in technology of natural products, Department of Pharmacy, Universidad Nacional...
Del extracto diclorometánico de las partes aéreas de Critoniella acuminata (H.B.K) R.M. King & H. Robinson, se aisló por métodos cromatográficos (CC y CCD) e identificó por análisis fisicoquímicos y espectroscópicos IR, EM y RMN (1H, 13C, DEPT 90, DEPT 135, COSY, HMQC y HMBC) el compuesto denominado 3-(Benzo[1,3]dioxol-5-il)-N-fenetil-acrilamida, (...
