The synthesis of 1-[(substituted)pyrazol-5-yl]-iminomethyl-2-nitroiminoimidazolidine and its derivatives
โ Scribed by Wei-Qiang Chen; Gui-Yu Ji
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2001
- Tongue
- English
- Weight
- 40 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0022-152X
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โฆ Synopsis
Abstract
In this article 1โ[(substituted)pyrazolโ5โyl]iminomethylโ2โnitroimino imidazolidines (II) and their derivatives were synthesized. All the compounds were verified by elemental analysis, ^1^H NMR and IR. In the reaction of II with halides, two different results were observed.
๐ SIMILAR VOLUMES
## Abstract For Abstract see ChemInform Abstract in Full Text.
## Abstract The reaction of ethyl 4โ(benzofuranโ2โyl)โ2,4โdioxobutanoate **2** with two moles of hydrazine hydrate afforded 5โ(benzofuranโ2โyl)โ1__H__โpyrazoleโ3โcarbohydrazide **4a**, while its reaction with equimolar amount of phenylhydrazine gave ester **3b** which then converted to 5โ(benzofura