Potassium Carbonate–Mediated Efficient and Convenient Synthesis of 3-Methyl-1-phenylchromeno[4,3- c ]pyrazol-4(1 H )-ones
✍ Scribed by Grover, Jagdeep; Roy, Somendu Kumar; Jachak, Sanjay Madhukar
- Book ID
- 127030735
- Publisher
- Taylor and Francis Group
- Year
- 2014
- Tongue
- English
- Weight
- 419 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0039-7911
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📜 SIMILAR VOLUMES
## Abstract 4‐Aminopyrazole‐3‐ones **4b, e, f** were prepared from pyrazole‐3‐ones **1b‐d** in a four‐step reaction sequence. Reaction of the latter with methyl __p__‐toluenesulfonate gave 1‐methylpyrazol‐3‐ones **2b‐d**. Compounds **2b‐d** were treated with aqueous nitric acid to give 4‐nitropyraz
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## Abstract Various derivatives of title ring system were synthesized by Claisen condensation of 4 acetyl‐5 ‐hydroxy‐pyrazoles with appropriate esters, followed by acid‐catalyzed ring closure.