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Synthesis of 7,8-dihydro-6H-pyrazolo[3,4-b]quinolin-5-ones and related derivatives

✍ Scribed by Franco Gatta; Massimo Pomponi; Maurizio Marta

Book ID
112130092
Publisher
Journal of Heterocyclic Chemistry
Year
1991
Tongue
English
Weight
466 KB
Volume
28
Category
Article
ISSN
0022-152X

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Synthesis of 4-aryl-4,7,8,9-tetrahydro-6
Synthesis of 4-aryl-4,7,8,9-tetrahydro-6H-pyrazolo[3,4-b]quinolin-5-ones
✍ Jairo Quiroga; Braulio Insuasty; Angelina Hormaza; Claudio Saitz; Carolina Julli 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 215 KB

## Abstract Reaction of 5‐amino‐3‐methyl‐1‐phenylpyrazole (1a) and 5‐amino‐3‐(4‐chlorophenyl)‐1__H__‐pyrazole (1b) with dimedone (2) and __p__‐susbstituted benzaldehydes 3 in ethanol, afforded in all cases tricyclic linear 4‐aryl‐7,7‐dimethyl‐4,7,8,9‐tetrahydro‐6__H__‐pyrazolo[3,4‐__b__]quinolin‐5‐