Buscar
Mostrando ítems 1-10 de 27
Studies on quinones. Part 32. Regioselective synthesis of benz[b]phenantridines related to phenantroviridone
(PERGAMON-ELSEVIER SCIENCE LTD, 1999)
The Diels-Alder reaction of juglone (4) and bromojuglone 18 with 1-cyclohesenecarbosaldehyde dimethylhydrazone (3) is described. Through these cycloaddition reactions 8-hydroxy-1,2,3,4-tetrahydrobenz[b]phenantridin-7,12-dione ...
Studies on quinones. Part 44: Novel angucyclinone N-heterocyclic analogues endowed with antitumoral activity
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
In the search for new potentially anticancer drugs, series of angucyclinone aza-analogues containing pyridine and pyridopyridazine rings have been designed and synthesized by a highly efficient sequence involving a one-pot ...
A convenient synthesis of benzo[g]pyrrolo[3,2-c]quinoline-6,11-diones
(2005)
The synthesis of a new class of angular tetracyclic quinones is described. Our strategy involves Diels-Alder reaction of pyrroloquinolinequinone 9, generated in situ from pyrroloquinoline 8, and dienes. The required ...
Synthesis and Antitumor Evaluation of 6-Aryl-substituted benzo[j]phenanthridine- and Benzo[g]pyrimido[4,5-c]isoquinolinequinones
(MDPI, 2012)
A variety of novel 6-arylsubstituted benzo[j]phenanthridine-and benzo[g]pyrimido[4,5-c]isoquinolinequinones were synthesized from 1,4-naphthoquinone, aryl-aldehydes and enaminones via a two-step synthetic approach. The ...
Introducción: Segunda Edición
(Politécnico Grancolombiano, 2021)
Studies on quinones. Part 47. Synthesis of novel phenylaminophenanthridinequinones as potential antitumor agents
(ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER, 2011)
In our search for potential anticancer agents, a series of 8- and 9-phenylamino-3,4-tetrahydro-phenanthridine-1,7,10(2H)-triones with substituent variations at 6-, 8- and 9-positions were prepared using a highly efficient ...
Diseño de controladores digitales en FPGA para aplicaciones de realidad virtual
(2012-06-26)
RESUMEN: En este trabajo de tesis se propone la metodología para el desarrollo de controladores difusos embebidos en microprocesadores suaves PowerPC y Microblaze de la compañía Xilinx, utilizando los recursos de los ...
Ergómetro para evaluación cinesiológica de usuarios de silla de ruedas
(2016-03-11)
La evaluación cinesiológica del gesto motor de la propulsión de los usuarios de silla de ruedas consiste en describir cuantitativa y cualitativamente la cinemática, cinética, y la activación muscular de las extremidades ...