A series of 4-aryl-3,7,7-trimethyl-1-phenyl-7,8-dihydro-1H-pyrazolo[3,4-b]quinolin-5(6H)-ones were synthesized via the three-component reaction of aromatic aldehydes, 5,5-dimethyl-1,3-cyclohexandione and 5-amino-3-methyl-1-phenylpyrazole in ionic liquid without using any catalyst. This protocol has
✦ LIBER ✦
An Efficient Synthesis of Clopenta[ b ]pyrazolo[4,3- f ]quinolin-9(3 H )-one Derivatives by Three-component Reaction in Ionic Liquids
✍ Scribed by Zhang, Mei-Mei; Yin, Ming-Yue; Wang, Xiang-Shan
- Book ID
- 120614637
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2013
- Tongue
- English
- Weight
- 290 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0022-152X
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## Abstract A series of 4‐aryl‐3,7,7‐trimethyl‐1‐phenyl‐7,8‐dihydro‐1__H__‐pyrazolo[3,4‐__b__]quinolin‐ 5(6__H__)‐ones were synthesized by the three‐component reaction of aromatic aldehydes, 3‐methyl‐1‐phenyl‐1__H__‐pyrazol‐5‐amine, and 5,5‐dimethyl‐1,3‐cyclohexandione in the presence of sodium 1‐d
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