Browsing by Author "Hormaza, Angela"

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    • Synthesis of 4-aryl-4,7,8,9-tetrahydro-6H-pyrazolo[3,4-b]quinolin-5-ones 
      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- ...