ChemInform Abstract: Facile Synthesis of Novel CF3-Substituted Ring-Fused Furo[2,3-c]pyrazoles Through Rh2(OAc)4 Catalyzed [3 + 2] Cycloaddition of 4-Diazo-1-phenyl-3-(trifluoromethyl)-1H-pyrazol-5(4H)-one with Aromatic Alkynes.

✍ Scribed by Zhenhua Zhang; Jianwei Han; Shizheng Zhu

• Publisher: John Wiley and Sons
• Year: 2012
• Weight: 13 KB
• Volume: 43
• Category: Article
• ISSN: 0931-7597
• DOI: 10.1002/chin.201210123

✦ Synopsis

Abstract

The pyrazoles are important structural units in pigments and dyes with remarkable biological activities and building blocks in organic synthesis.