Exclusive Formation of 1‐Aryl‐3‐(5‐nitro‐2‐furyl)‐4‐aroylpyrazoles via Regiospecific 1,3‐Dipolar Cycloaddition of 3‐Arylsydnones with α,β‐Acetylenic Ketones
作者:Ganesha Rai、Vedavati G. Puranik、Balakrishna Kalluraya、Jyoti C. Hegde
DOI:10.1080/00397910500518874
日期:2006.5
Abstract 1,3‐Dipolar cycloaddition of 3‐arylsydnones with α,β‐acetylenic ketones containing nitrofuran moiety has been studied, and it was observed that the dipolar cycloaddition is regiospecific, forming 1‐aryl‐3‐(5‐nitro‐2‐furyl)‐4‐aroylpyrazoles exclusively.
摘要 研究了含有硝基呋喃部分的 α,β-炔酮与 3-芳基sydnones 的 1,3-偶极环加成反应,观察到偶极环加成反应是区域专一性的,形成 1-芳基-3-(5-硝基-2-呋喃基)-4-芳酰基吡唑。