Browsing by Author "Insuasty, B."
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Insuasty, B.; Saitz Barría, Claudio; Insuasty, H.; Quiroga, J.; Jullian Matthaei, Carolina (HETERO CORPORATION, 2000-03)Several new 6-amino- and 6,8-dinmino-4-aryl-2,3-dihydropyrimido[4,5-b][1,4]diazepines were obtained from the reaction of 4,5,6-triaminopyrimidine 1a and 2,4,5,6-tetraaminopyrimidine 1b with one equivalent of 3-dimethylam ...
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Insuasty, B.; Insuasty, H.; Saitz Barría, Claudio; Quiroga, J.; Jullian Matthaei, Carolina (HETERO CORPORATION, 1999-05)New 4-Aryl-6-methyl-8-phenyl-2,3-dihydropyrazolo[3,4-b]diazepines and 4-aryl-8-methyl-6-phenyl-2,3-dihydropyrazolo[4,3-b]diazepines were obtained from the reaction of 4,5-diamino-3-methyl-1-phenylpyrazole 1 with one ...
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Quiroga, J.; Insuasty, B.; Hormaza, Angela; Saitz Barría, Claudio; Jullian Matthaei, Carolina (HETERO CORPORATION, 1998-05)Reaction of 5-amino-3-methyl-1-phenylpyrazole (1a) and 5-amino-3-(4-chlorophenyl)-1H-pyrazole (1b) with dimedone (2) and p-susbstituted benzaldehydes 3 in ethanol, afforded in all cases tricyclic linear 4-aryl- ...
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Insuasty, B.; Torres, H.; Quiroga, J.; Abonia, R.; Rodríguez, R.; Nogueras, M.; López Sánchez, A.; Saitz Barría, Claudio; Alvarez, S. L.; Zacchino, Susana (Sociedad Chilena de Química, 2006)The synthesis of a series of new benzimidazo [1,2-c]quinazolines starting from 2-nitrobenzaldehyde and o-phenylendiamine is decsribe. The structure elucidation of the products is based on detailed NMR analysis of experiments ...