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Efficient synthesis of 2-(pyrazol-3-yl)benzimidazoles from 3-arylacylidene-3,4-dihydroquinoxalin-2(1H)-ones and hydrazine hydrate via a novel rearrangement

✍ Scribed by Vakhid A. Mamedov; Anna M. Murtazina; Aidar T. Gubaidullin; Elena A. Hafizova; Il’dar Kh. Rizvanov


Book ID
104096661
Publisher
Elsevier Science
Year
2009
Tongue
French
Weight
313 KB
Volume
50
Category
Article
ISSN
0040-4039

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✍ Zun-Ting Zhang; Da-Jin Tan; Dong Xue 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 German ⚖ 278 KB

## Abstract An efficient protocol has been developed for the preparation of a series of new 3,4‐diaryl‐1__H__‐pyrazoles, potential pharmacological and agricultural targets, by the reaction of hydrazine hydrate with different natural isoflavones or their derivatives. The target compounds were obtain