ChemInform Abstract: Utilization of DmbNHNH2 in the Synthesis of Amino-Substituted 4-((3,5-Diamino-1H-pyrazol-4-yl)diazenyl)phenols.
β Scribed by Eva Schuetznerova; Igor Popa; Vladimir Krystof; Hiroyuki Koshino; Zdenek Travnicek; Pavel Hradil; Petr Cankar
- Book ID
- 115554151
- Publisher
- John Wiley and Sons
- Year
- 2012
- Weight
- 39 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0931-7597
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## Abstract A series of pyrazolines **4aβh** has been synthesized by Michael addition of chalcones **3aβh** with hydrazine hydrate in the presence of sodium acetate under conventional heating or microwave irradiation. Structures of the newly synthesized pyrazolines **4aβh** have been established on
## 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 βFull Textβ option. The original article is trackable v
The Schiff bases 3a-h obtained from 4-amino-1,2,4-triazol-3-ones 1a-h when subjected to Japp-Klingemann reaction yielded the corresponding 3-{2-[(2-aryl-5-methyl-3H-[1,2,4]-triazol-3-one-4-yl)]-iminophenyl}-pentane-2,4-diones 4 a-h. These diones on cyclisation with N 2 H 4 yielded the title compound