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A General and Facile Synthesis of 1,3-Diaryl-4-pyrazoleacetic Acid Esters.

✍ Scribed by David D. Xu; George T. Lee; Xinglong Jiang; Kapa Prasad; Oljan Repic; Thomas J. Blacklock

Publisher
John Wiley and Sons
Year
2005
Weight
20 KB
Volume
36
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

For Abstract see ChemInform Abstract in Full Text.

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A general and facile synthesis of 1,3-di
A general and facile synthesis of 1,3-diaryl-4-pyrazoleacetic acid esters
✍ David D. Xu; George T. Lee; Xinglong Jiang; Kapa Prasad; Oljan Repic; Thomas J. 📂 Article 📅 2005 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 84 KB

A general synthesis of 1,3-diaryl-4-pyrazoleacetic acid esters has been realized via the condensation of a γ-carboxy ester hydrazone with the Vilsmeier reagent.

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✍ C. P. Hadjiantoniou-Maroulis; A. Ph. Charalambopoulos; A. J. Maroulis 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 272 KB

## Abstract The pyrolysis of 1‐aroylamino‐4,5‐diphenyl‐1,2,3‐triazoles 1 yields, pressumably __via__ the 4,5‐diphenyl‐1,2,3‐triazolyl radical (2a), 2,3‐diphenyl‐2__H__‐azirine (11a) and 2‐aryl‐4,5‐diphenylimidazoles 14 as the major products. Upon irradiation 1‐benzoylamino‐4,5‐diphenyl‐1,2,3‐triazo