Novel Process for Synthesis of 1,2,4-Triazoles: Ytterbium Triflate-Catalyzed Cyclization of Hydrazonyl Chlorides with Nitriles.

ChemInform ◽  
2005 ◽  
Vol 36 (43) ◽  
Author(s):  
Weike Su ◽  
Dianwen Yang ◽  
Jianjun Li
Synlett ◽  
2009 ◽  
Vol 2010 (01) ◽  
pp. 161-162
Author(s):  
Carina Crucho

ChemInform ◽  
2016 ◽  
Vol 47 (43) ◽  
Author(s):  
Serena Fiorito ◽  
Francesco Epifano ◽  
Vito A. Taddeo ◽  
Salvatore Genovese
Keyword(s):  

Heterocycles ◽  
1995 ◽  
Vol 40 (2) ◽  
pp. 777 ◽  
Author(s):  
Gaetano Zecchi ◽  
Luisa Garanti ◽  
Giorgio Molteni

2018 ◽  
Vol 16 (42) ◽  
pp. 7811-7814 ◽  
Author(s):  
Kun Liu ◽  
Xinye Shang ◽  
Yuyu Cheng ◽  
Xiaoyong Chang ◽  
Pengfei Li ◽  
...  

The facile approach to polysubstituted pyrazoles from hydrazonyl chlorides and 1,3-dicarbonyl compounds has been developed. Hydrazonyl chlorides reacted with N-phenyl-3-oxobutanamides smoothly to afford a series of polysubstituted pyrazoles in 67–98% yields via the [3 + 2]-cycloaddition.


ChemInform ◽  
2004 ◽  
Vol 35 (51) ◽  
Author(s):  
Massimo Curini ◽  
Francesco Epifano ◽  
Francesca Montanari ◽  
Ornelio Rosati ◽  
Sara Taccone

ChemInform ◽  
2012 ◽  
Vol 43 (22) ◽  
pp. no-no
Author(s):  
Adriano Mollica ◽  
Salvatore Genovese ◽  
Francesco Pinnen ◽  
Azzurra Stefanucci ◽  
Massimo Curini ◽  
...  

ChemInform ◽  
2008 ◽  
Vol 39 (11) ◽  
Author(s):  
Shigeki Habaue ◽  
Tomohisa Temma ◽  
Yukihiro Sugiyama ◽  
Pei Yan

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